Quality Planning - I Designing the Channels Lunch ... · TIA/EIA-569-A Commercial Building Standard for Telecommunications Pathways and Spaces TIA/EIA-606-A Administration Standard

P. O. Box MT65, LEEDS, LS17 8YD. United Kingdom Tel: +44 (0) 113 232 3721 Fax: +44 (0) 113 293 2632© 2003 The Cabling Partnershipwww.e-readybuilding.comwww.it-cabling.com

e-Ready BuildingNext Generation IT infrastructures

The CablingPartnershipϕAGENDA

IntroductionInstallation Specification

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Quality Planning - I

Designing the Channels

Planning the Installation - I

Planning the Installation - IIBreak

Installation Administration

BreakInstallation Practice

The User Guide

Testing of Balanced Cabling

Testing of OF CablingLunch

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DESIGNING, INSTALLING ANDOPERATING

CABLING INFRASTRUCTURES

in accordance withANSI/TIA/EIA-568-B

(BS) EN 50173-1ISO/IEC 11801 (2002)

The CablingPartnershipϕ





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Mike Gilmore

Mike Gilmore

Senior Partner, The Cabling Partnership

Managing Directore-Ready Building

Standards Activities

e-mail: [email protected]

Mobile: +44 (0) 7860 110563

Member:ISO/IEC JTC1 SC25 WG3: Generic Cabling ISO/IEC JTC1 SC25 Project Team: SOHO

Convenor: ISO/IEC JTC1 SC25 WG3 IPTG: Industrial Premises Cabling

Convenor:CENELEC TC215 WG1: IT Cabling

CENELEC TC215 WG1 PTIP: Industrial Premises Cabling

Chairman: BSI TCT7/-/1: IT Cabling

BSI TCT7/-/3: IT Cabling Support Group

Technical and Standards Director:Fiberoptic Industry Association





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Agenda





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Installation Specification

Cabling Standards

Industry Body RecommendationsQuality Assurance

The Installation SpecificationStandards Development - ISO/IEC and (BS)

ANSI/TIA/EIA-568-B StandardsApplication MappingTechnology Selection

Technical SpecificationScope of Work

Contract Documentation

UK Regulations





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Cabling Standards

DESIGN

PLANNING

ADMINISTRATION

INSTALLATION

OPERATION

CENELEC ISO/IECIECANSI/TIA/EIA

COMMISSIONING

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-758

ANSI/TIA/EIA-606-A

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-569-A

ANSI/TIA/EIA-568-B

526-7 526-14-A

(BS) EN 50173-1

(BS) EN 50174-X

(BS) EN 50174-1

(BS) EN 50174-2

(BS) EN 50174-3

(BS) EN 50346

ISO/IEC 11801 (2002)

ISO/IEC 14763-2

ISO/IEC 14763-1

ISO/IEC 18010

ISO/IEC TR3 14763-2

IEC 61935-X

ISO/IEC 18010

ANSI/TIA/EIA-569-A

ISO/IEC TR3 14763-3

(BS) EN 50310

ANSI/TIA/EIA-758

ANSI/TIA/EIA-607

ANSI/TIA/EIA-570-A





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US Standards

TIA/EIA-568-Bseries Commercial Building Telecommunications Cabling Standard

TIA/EIA-569-A Commercial Building Standard forTelecommunications Pathways and Spaces

TIA/EIA-606-A Administration Standardfor Commercial Telecommunications Infrastructure

TIA/EIA-758 Customer-owned Outside Plant Telecommunications Cabling Standard

ANSI

TIA/EIA-526-14-A

TIA/EIA-526-7

OFSTP-14A Optical Power Loss Measurement of Installed MultimodeFiber Cable Plant

OFSTP-7 Measurement of Optical Power Loss of Installed Single-ModeFiber Cable Plant

TIA/EIA-570-A Residential Telecommunications Cabling Standard





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European Standards

(BS) EN 50174-2 Information technology - Cabling installation-Part 2: Installation planning and practices inside buildings

(BS) EN 50173-1 Information technology - Generic cabling systems -General requirements and office areas

(BS) EN 50174-1 Information technology - Cabling installation-Part 1: Specification and Quality Assurance

(BS) EN 50174-3 Information technology - Cabling installation-Part 3: Installation planning and practices external to buildings

CENELEC

(BS) EN 50310 Application of equipotential bonding and earthing in buildings withinformation technology equipment

(BS) EN 50346 Information technology - Generic cabling systems -Testing of installed cabling





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ISO/IEC 11801(2002)

International Standards

Information technology - Generic cabling for customer premises

ISO/IEC 14763-1 Information technology - Implementation and operation of customerpremises cabling - Part 1: Administration

ISO/IEC

ISO/IEC TR314763-2

Information technology - Implementation and operation of customerpremises cabling - Part 2: Planning and installation

ISO/IEC TR314763-3

Information technology - Implementation and operation of customerpremises cabling - Part 3: Testing of optical fibre cabling

ISO/IEC 18010 Information technology -Pathways and spaces for customer premises cabling

IEC 61935-1 Part 1: Installed cabling

IEC 61935-2 Part 2: Patch cords and work area cords

IEC 61935-X Generic cabling systems - Specification for the testing of balancedcommunication cabling in accordance with ISO/IEC 11801





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UK Standards

BS 6701 (2003) Installation of apparatus and cablingto support telecommunications systems

“Standard”-

not Code of Practice

incorporating optical fibre

referenced from BS 7671

references EN 50174 series

BS 7718 (1996) Code of Practice for the installation of fibre optic cabling

BS 6701 (1994) Code of Practice for the installation of apparatus intended forconnection to certain telecommunications systems

BS 7671 Requirements for electrical installations:IEE Wiring Regulations: 16th edition

BSI

BS 7718discontinued Normative reference

Specificallyrelating to

segregationClear requirements

incorporatingall types of cabling

incorporatingequipment





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UK Regulations

S.I. 1989 No. 635

UK GOVERNMENT

The Electricity at Work Regulations 1989

S.I. 2000 No. 2531 The Building Regulations 2000

BS 7671 Requirements for electrical installations:IEE Wiring Regulations: 16th edition

www.legislation.hmso.gov.uk for further information

www.safety.odpm.gov.uk/bregs for further information

“The Building Act 1984, The Building Regulations 2000:Proposals for Amending Part M Access to and use of buildings”contains the following text for buildings other than dwellings4.30 Switches, outlets and controls will satisfy the requirement of M1 ifsocket outlets, telephone points and TV sockets are located between400mm and 1000mm above the floor.





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Industry Body Recommendations

INSTALLATION

SAFETY

DESIGN

OPTICAL FIBRE CABLING: LAN APPLICATION SUPPORT GUIDE

TESTING OF INSTALLED CABLING:ATTENUATION USING LSPM EQUIPMENT

OPTICAL POWER: SAFETY LEVELS

OPTICAL FIBRE: HANDLING OF PROCESSING CHEMICALS

OPTICAL FIBRE: DISPOSAL OF WASTE

MODELLING TOOLS

CABLING STRUCTURES COST MODEL

2000-1-1

2000-4-2-1

2000-5-1

2000-5-2

2000-5-3

TESTING OF INSTALLED CABLING:ATTENUATION USING OTDR EQUIPMENT2000-4-2-2

TSD

TSD

TSD

OPERATION

POLARITY MAINTENANCE2000-3-3

TSD

FIA Technical Support Documents

• providing interpretation• delivering guidance• “fast-track” standardisation





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Quality Assurance

DESIGN

PLANNING

ADMINISTRATION

INSTALLATION

OPERATION


COMMISSIONING

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-758

ANSI/TIA/EIA-606-A

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-569-A

ANSI/TIA/EIA-568-B

526-7 526-14-A

(BS) EN 50173-1

(BS) EN 50174-X

(BS) EN 50174-1

(BS) EN 50174-2

(BS) EN 50174-3

(BS) EN 50346

ISO/IEC 11801 (2002)

ISO/IEC 14763-2

ISO/IEC 14763-1

ISO/IEC 18010

ISO/IEC TR3 14763-2

IEC 61935-X

ISO/IEC 18010

ANSI/TIA/EIA-569-A

ISO/IEC TR3 14763-3

(BS) EN 50310

ANSI/TIA/EIA-758

ANSI/TIA/EIA-607

ANSI/TIA/EIA-570-A

Requires an Installation Specification





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The Installation Specification

(BS) EN 50174-1

Following due consideration of the design issues, an installation specification should beproduced by, or on behalf of the cabling owner.

The installation specification shall comprise:a) the technical specification.b) the scope of work;c) contractual requirements;

and should contain

d) the information technology strategy.

Where included ….. the informationtechnology strategy section shall detail

the requirements for both the infrastructureand the applications to be supported.

OPERATIONAL REQUIREMENT





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Standards Development - ISO/IEC and (BS) EN

Ed. 1 Ed. 1 A.2Ed. 1 A.1 Ed. 1.2

TITLEARENA REFERENCEEd. 2

BalancedComponents

CablingCategory 3, 4 and 5

Class A, B, C and D (1995)

ISO/IEC 11801 Generic cabling for customer premises

Class D (1999)

Ed. 1 A.1

Ed.2 published

as50173-1

TITLEARENA REFERENCE

Ed. 1

CLC 50173 Generic cabling systems

Part 1: General requirements and office areas

BalancedComponents

CablingCategory 3 and 5

Class A, B, C and D (1995) Class D (2000)

BalancedComponents

Categories 6 and 7Cabling

Class D (2002)Classes E and F

Category 5 (2002)

OFCables

OS1CablingOF-300OF-500OF-2000

OM1, OM2, OM3

1995 1996 1997 1998 1999 2000 2001 2002





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ANSI/TIA/EIA-568-B Standards

TITLEARENA REFERENCEANSI TIA/EIA-568-B Commercial building telecommunications cabling standard

TIA/EIA-568-B.1 General Requirements

TIA/EIA-568-B.2 Balanced Twisted-pair Cabling

Addendum 1 Category 6

TIA/EIA-568-B.3 Optical Fibre Cabling

Balanced Cabling Categories 3 and 5e

ComponentsCabling Components

Components

Addendum 1 Patch Cable Bend Radius Cabling Components

Addendum 2 Corrections to B.2ComponentsAddendum 3 IL and RL Pass/Fail DeterminationCabling Components

Addendum 1 High bandwidth MM optical fibreComponents

OF Cabling Links and channels

Categories 3 and 5e





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Application Mapping - Balanced Cabling

APPLICATION ADDITIONAL NAME

Class APBXX.21

CSMA/CD 10Base-T

V.11S0 Point-to-pointS1/S2Class B ISDN Basic Access

ISDN Primary Access

Token Ring 4 Mbit/sClass C

Token Ring 16 Mbit/s

Class D (2000)

ATM LAN 155.52 Mbit/s ATM-155/Category 5

Fast EthernetCSMA/CD 100Base-T4Fast EthernetCSMA/CD 100Base-T2

Fast EthernetCSMA/CD 100Base-TXHigh speed Token RingToken Ring 100 Mbit/sGigabit EthernetCSMA/CD 1000Base-T

ISO/IEC and EN US

Category 5e

Category 3

ATM LAN 1.2 Gbit/s ATM 1200 Category 6Class E Category 6FibreChannel 14165-114Class F

Category 5Class D (1995)

Class D (2002) Power over data





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OM1 OM2

Application Mapping - Optical Fibre

APPLICATION

ISO/IEC 11801 (2002) and (BS) EN 50173-1

OM3 OS1

10BASE-FL/FB OF-2000TR 4/16 Mbit/s OF-2000ATM-52

ATM-155ATM-622

OF-2000 OF-2000

OF-2000 OF-2000OF-500

FC-133 OF-2000

850nm 1300nm 1310nm

FC-266 OF-2000 OF-2000 OF-2000OF-500FC-531 OF-2000OF-500FC-1062 OF-2000

FDDI-LCFOF-2000OF-500

FDDIOF-2000FDDI

OF-2000100BASE-FX

1000BASE-SX OF-5001000BASE-LX OF-500 OF-2000

OF-30010GBASE-SR/SW

10GBASE-LR/LW OF-200010GBASE-ER/EW

10GBASE-LX4 OF-300 OF-2000

1550nm

OF-2000

OF-500OF-300 OF-2000

OF CHANNEL CLASS

OF-2000 OF-2000OF-2000 OF-2000

OF-2000 OF-2000

OF-2000 OF-2000OF-500 OF-500OF-500 OF-500OF-2000 OF-2000

OF-2000 OF-2000OF-2000 OF-2000OF-500 OF-500OF-500 OF-500

OF-2000 OF-2000OF-500 OF-500

OF-2000 OF-2000

OF-500OF-500 OF-500

OF-300 OF-300

OF-300 OF-300

850nm 1300nm 850nm 1300nm





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Application Requirements - Optical Fibre

1610

100

Max. length(m)

OPB/CILmax. (dB)

50/125 (OM2) 62.5/125 (OM1)

850 nm

1300 nm

15141 20006.8 12.518571 20008.0 13.02000 20006.0 11.0

1000 550 2753.56 2.6850 nm1000 550 5502.35 2.351300 nm10000 82 331.80 1.60850 nm

10000 300 2.59850 nm

Max. length(m)

OPB/CILmax. (dB)

50/125 (OM3)

Token Ring4 18571 20008.0 13.0

EthernetEthernetEthernetEthernet

EthernetToken Ring

Ethernet

10000 300 3001.96 1.96CWDM/1300Ethernet

Mb/s Network λλλλ

APPLICATION OPTICAL FIBRE

1 Calculated values using 1.5dB of connecting hardware losses

SMF (OS1)

5000 4.56

Max. length(m)

OPB/CILmax. (dB)

300 1.96

1000 1310nmSMF (OS1)

Ethernet

10000 40000 10.91550 nmEthernet

10000 10000 6.2CWDM/1300Ethernet10000 10000 6.21310nmEthernet





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Implementation cost

SMF: OS1

50/125: OM3

62.5/125: OM1

50/125: OM2

50 100 200 300 400 500 1000 1500 2000

Channel length (m)

10/100 Mbs-1 Implementation





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1 Gbs-1 Implementation

Implementation cost

SMF: OS1

50/125: OM3

62.5/125: OM1

50/125: OM2

50 100 200 300 400 500 1000 1500 2000





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10 Gbs-1 Implementation

Implementation cost

SMF: OS1

62.5/125: OM1

50/125: OM2

50/125: OM3

33 8250 100 200 300 400 500 1000 1500 2000





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Technology Selection

Balanced Optical FibreMMF SMF

Category 5 (1995)Category 5 (2000)

Category 5 (2002) ~ Category 5eCategory 6

Category 7

OM2OM1

OM3

OS1Unscreened Screened

Category 7Category 5 (1995)Category 5 (2000)

Wireless2

Category 5 (2002)

Established standards

Commoditisation

No high-margin “rabbits” Category 8?Category 6e?

MMF SMFUnscreened Screened

OM2OM1

OM3

OS1

Category 6Technology Squeeze

Margin Reduction

Users who willonly ever use

unscreened cabling

Users who willonly ever use

screened cablingThe undecided





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Technical Specification

Customer Installer Third PartyResponsibility

QUALITY ASSURANCE

The Installation Specification shall contain:• Technical Specification• Scope of Work• contract documentation

Technical Specification

Cable specifications Balanced copper , optical fibre and associated cablesConnecting hardware specifications Balanced copper and optical fibreTermination points Locations

Frames and cabinets StructuresClosures Designs

Earthing and bonding RequirementsCable accessories Requirements

TECHNICAL SPECIFICATION

(BS) EN 50174-1





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Scope of Work - I

Customer Installer Third Party

Scope of Work

Civil works - preliminary actionsPathwaysEarthing

Building entrance facilityList of materials

Survey statusInstallers facilities

Control of materials

Bonding

SafetySecurity

ConnectivityAttendance at project meetings

ProgrammeIn-service date

Identification and LabellingTesting

DocumentationDocumentation Hand-over date

INSTALLATIONReinstatement

SparesSupport servicesAdministration

POST-INSTALLATION

SCOPE OF WORK


(BS) EN 50174-1

PRE-INSTALLATION

QUALITY ASSURANCE

Responsibility





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Scope of Work - II

Customer Installer Third PartyQUALITY ASSURANCE

Scope of Work

SCOPE OF WORK

REGULATIONS SITE CONTACTSBuilding regulations

Site regulationsSafe working practices

Public network protectionContractors authorisation

Operational requirementsSite information

Technical requirementsDocumentation (existing)

Cabling compatibilityStorage/security Other contractors


(BS) EN 50174-1

Responsibility





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Contract Documentation


QUALITY ASSURANCE

CONTRACT DOCUMENTATION

Contract documentation

Change proceduresContractual requirements


(BS) EN 50174-1





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Quality AssuranceThe Quality Plan





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Quality Assurance

DESIGN

PLANNING

ADMINISTRATION

INSTALLATION

OPERATION


COMMISSIONING

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-758

ANSI/TIA/EIA-606-A

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-569-A

ANSI/TIA/EIA-568-B

526-7 526-14-A

(BS) EN 50173-1

(BS) EN 50174-X

(BS) EN 50174-1

(BS) EN 50174-2

(BS) EN 50174-3

(BS) EN 50346

ISO/IEC 11801 (2002)

ISO/IEC 14763-2

ISO/IEC 14763-1

ISO/IEC 18010

ISO/IEC TR3 14763-2

IEC 61935-X

ISO/IEC 18010

ANSI/TIA/EIA-569-A

ISO/IEC TR3 14763-3

(BS) EN 50310

ANSI/TIA/EIA-758

ANSI/TIA/EIA-607

ANSI/TIA/EIA-570-A

Requires a Quality PlanRequires an

Installation Specificationand a

Quality Plan





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The Quality Plan

(BS) EN 50173-1

The treatment of measured results that fail tomeet the requirements … or lie within therelevant measurement accuracy, shall beclearly documented within a quality plan asdescribed in (BS) EN 50174-1.

(BS) EN 50174-1

The quality plan shall reflect the contractualinterfaces that relate to the task definedwithin the Installation Specification and shallidentify the measures to be adopted tofacilitate straightforward transfer ofresponsibilities at these interfaces.





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The Quality Plan

(BS) EN 50174-1The quality plan shall reflect the contractual interfaces that relate to the task defined within the InstallationSpecification and shall identify the measures to be adopted to facilitate straightforward transfer ofresponsibilities at these interfaces.


QUALITY ASSURANCE

Quality Plan

Inspection and test regimesSampling plans

Test equipment, calibration

Inspection routines

Inspection and test regimesSampling plans

Test equipment, calibrationFault resolution

InterfacesTransfer of responsibility

Training plansTraining records

QualificationsEvidenciary requirements

QUALITY PLAN

COMPETENCE

CONTRACT

COMPONENTand

LEGACY CABLINGACCEPTANCE

IDENTIFIERS

INSTALLATION

INSTALLED CABLINGACCEPTANCE

DOCUMENTATION





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Channel Design StandardsStructureChannels

The Three Routes to Channel Performance

The Channel Performance ManagerDesign and Operational Sensitivity

Removing the ObstaclesCords

Channel Dimensions and Minimum PerformanceReference Implementations

The Channel Gap

“System” ApproachConformant Links

Reference Implementations





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CENELEC ISO/IECIEC

(BS) EN 50173-1

(BS) EN 50174-X

(BS) EN 50174-1

(BS) EN 50174-2

(BS) EN 50174-3

(BS) EN 50346

ISO/IEC 11801 (2002)

ISO/IEC 14763-2

ISO/IEC 14763-1

ISO/IEC 18010

ISO/IEC TR3 14763-2

IEC 61935-X

ISO/IEC 18010

ISO/IEC TR3 14763-3

(BS) EN 50310

Channel Design Standards

DESIGN

PLANNING

ADMINISTRATION

INSTALLATION

OPERATION

ANSI/TIA/EIA

COMMISSIONING

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-758

ANSI/TIA/EIA-606-A

ANSI/TIA/EIA-568-B

ANSI/TIA/EIA-569-A

ANSI/TIA/EIA-568-B

526-7 526-14-A

ANSI/TIA/EIA-569-A

ANSI/TIA/EIA-758

ANSI/TIA/EIA-607

ANSI/TIA/EIA-570-A

Contain most options

andmost warnings





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Structure

BD = Building DistributorBEF = Building Entrance FacilityCD = Campus DistributorCP = Consolidation PointFD = Floor DistributorTO = Telecommunications Outlet

FD

FD

FD

FD

TO

Campus backbonecable

External network

FD

BD/FD BEF

CP

FD

FD

BEFCDBD

CP

TO

Externalnetworks

BEF

ISO/IEC and (BS) EN

optional cables

BD

CD

BD

FD

TO TO TO

CP

FDFD

TO TO TO

CP





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Horizontal cabling implementation

PP

CP

MUTOA/TOCC

WA

Channels

PPCC PP CC

ISO/IEC, (BS) EN and ANSI/TIA/EIA

Channel - Transmission

Channel - Physical

Backbone cabling implementation





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CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Structure

TOConnectingHardware

OtherConnectingHardware

Channels using “System” Approach

Design

Attachment of appropriate componentsto conformant links

Reference implementations

ChannelPerformance

Delivered by designing the channel and the components within the channel(including the links)

with adequate margin to guarantee channel performanceunder specified conditions

Assurance should be sought from suppliers that the combinations of components withinconnecting hardware are able to meet the electrical and mechanical requirements …..

(BS) EN 50173-1





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Channels using Conformant Links

CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Structure



Design



ChannelPerformance

“Channel performance shall be assured where a channel is created by addingmore than one cord to either end of a conformant link”.

(BS) EN 50173-1





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Channels using Reference Implementations

CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Design



ChannelPerformance

The treatment of measured results that fail to meet the requirements … or lie within therelevant measurement accuracy, shall be clearly documented within a quality plan as

described in (BS) EN 50174-1.

ISO/IEC 11801 (2002) and (BS) EN 50173-1

“using the reference implementations of clause ... andcompatible cabling components conforming to the

requirements of clauses ..., ... and ...,based upon a statistical approach of performance modelling.”





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The Channel Performance Manager


with Consolidation PointPP CPCC

Equipment cord Patch cord

PPCC PP CC

Patch cord Equipment cord

CP cord Work area cord


THE USER• configures up to 80% of each channel• defines 100% of channel performance

CHANNEL MANAGEMENT IS KEY TO NETWORK RELIABILITY


MUTOA/TO





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Design and Operational Sensitivity

ISO/IEC 11801 (2002) and (BS) EN 50173-1

ANIS/TIA/EIA-568-B

INSTALLATION TOLERANCE

UNMANAGED CHANNEL

PERFORMANCE

CONNECTIVITY“MANAGEMENT”

Balanced componentsBalanced channels

Optical fibre channels

Category 5 (2002) Category 6 Category 7Class D (2002) Class E Class FOF-2000 OF-500 OF-300

Balanced components/channels Category 5e Category 6





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Removing the Obstacles


PP

Equipment cord

PP PP


Equipment cord

Work area cord


MUTOA/TO





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Cords




PPCC PP CC





Equipment cords are NOT patch cords

Work area cords are NOT patch cords

MUTOA/TO





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Channel Dimensions and Minimum Performance

WA

CD

BD FD

2000 metres

100metres

ISO/IEC 11801 (2002) and (BS) EN 50173-1

WA Work area

WA

CD

BD FD

Class A - F

Class A - F

Class D - F

ClassA-F





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Reference Implementation - Balanced

PP CPCC

FD

WA

100 metres max.

No. of connections2

3 inc. CP4

H = (103-FX-CY)/TH = (105-FX-CY)/TH = (107-FX-CY)/T

H = (109-FX)/T3 w/o. CP H = (107-FX)/T

H = (104-FX)/TH = (103-FX)/T

H = (103-FX-CY)/TH = (102-FX-CY)/T H = (102-FX-CY)/T

H = (103-FX)/TH = (105-FX)/T

Class D/Category 5 Class E/Category 6 Class F/Category 7

T = 1 + (t-20) x α α α α where t = maximum design temperature within link

αααα = 0.002 for t>20oC = 0.004 for 20oC<t<40oC= 0.006 for 40oC<t<60oC

for screened cables for unscreened cables

C

F1 F2

F = F1 + F2 X = cord attenuation premiumY = CP cable attenuation premium

X and Y 1.5 typically 1.2 typically

90 metres max.

H, 15 metres min.

ISO/IEC 11801 (2002) and (BS) EN 50173-1


MUTOA/TO





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The Impact of Temperature

50

55

60

65

70

75

80

85

90

95

100

0 5 10 15 20 25 30F (m) - Category 6/Class E Unscreened

PP-T

O (m

)

t = 20

t = 60

50

55

60

65

70

75

80

85

90

95

100

0 5 10 15 20 25 30F (m) - Category 6/Class E Screened

PP-T

O (m

)

t = 50t = 40t = 30

t = 20

t = 60t = 50t = 40t = 30

4-connection channel 4-connection channel





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Reference Implementation - Balanced




F = F1 + F2 X = cord attenuation premium


ISO/IEC 11801 (2002) and (BS) EN 50173-1

PPCC PP CC


F2F1

Category5

7

B = (250-FX)/T6

B = (115-FX)/T

B = 2000Class A Class B Class C Class D Class E Class F

B = 2000B = 2000

B = (170-FX)/T B = (105-FX)/TB = (103-FX)/T

B = (102-FX)/TB = (111-FX)/TB = (260-FX)/T

B = (260-FX)/TB = (185-FX)/TB = (190-FX)/T B = (104-FX)/T

B (metres)

B = 100 metres max.B = 15 metres min.





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Reference Implementation - Optical Fibre

(BS) EN 50173-1

PPCC PP CC

L (metres)

x = no. of mated connections in the channely = no. of splices in the channel

OF-300OF-500OF-2000

Class 850 nm

Multimode L = 735-145x-90yL = 935-145x-90yL = 2435-145x-90y

Cable Category

Singlemode

Cable Category

OM1, OM2, OM3

OS1OF-300OF-500OF-2000

Class

1300 nmL = 1300-330x-200yL = 1500-330x-200yL = 2435-330x-200y

1310 nmL = 1800-500x-300yL = 2000-500x-300yL = 3500-500x-300y

1550 nm

L = 2000-500x-300yL = 3500-500x-300y

L = 1800-500x-300y

Transmission wavelength


L max. (m)3005002000

L max. (m)3005002000

Formulae not includedISO/IEC 11801 (2002)





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The Channel Gap

PP CP

PP CP TOCC

Equipment cord Patch cord Work area cord

PP CP TO

CP cord

PP CP TOCC


INSTALLATION PHASE 1


MOVE AND CHANGE

CHANNEL BUILD 1

CP cord






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Planning the Installation

Planning RequirementsAdministration

Overall ProvisionEnvironment

Earthing (Protective)Optical Fibre Safety

Segregation from Mains PowerTermination Points

ClosuresPathways

Wide Area Connections





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Planning Requirements

Considerations of the environment

Closures

Considerations of overall provision


Wide area connectionsPathways

SPECIFICATION Termination points

Hazards - safety

Segregation of circuits

BS 6701, (BS) EN 50174-1 and (BS) EN 50174-2

LabelsGeneral considerations

ADMINISTRATION

GENERAL

Protection against electric shockSegregation from mains power

Earthing (grounding)

Operating procedures





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Administration - Requirements

Consideration shall be given to:• the compatibility between the administration system and:

• the installed cabling and the documentation for the installation• the type of administration system

• paper for small systems, sophisticated soft solutions for large buildings

(BS) EN 50174-1


ADMINISTRATION

(BS) EN 50174-1

Labels


ADMINISTRATIONGeneral considerations

Labels shall be:• applied to provide easy access, reading and modification• robust and readable for the defined lifetime of the cabling elements• waterproof and “smudgeproof”





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Administration - Minimum Recommendations

PATHWAYSAND

SPACES

FIXED CABLES,BUNDLES AND

CORDS

TERMINATION POINTS

Pathways• interconnected spaces• type of pathway system• bonding points• fill details

• connection type• location (space, cabinet/frame, panel)• cable identifier• test results • application and connectivity path

Spaces• type and location• pathways served• equipment contained• services provided

• cable type• length• installation date

• termination point identifiers• pathways used

RECORDS

Pathways• at entry to spacesSpaces• at entry to pathways

At both endsAt entry to spacesAt each joint (multipair cables)

At each termination pointAt each port

LABELLING

EARTHS/BONDS(ICT CABLING)

• element type• location • connectivity path• test results (where appropriate)

All elementsUN

IQU

E an

d U

NA

MB

IGU

OU

S ID

ENTI

FIER

(BS) EN 50174-1

TIA/EIA-606-A

ISO/IEC 14763-1





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Administration - Configuration Control

Delivering• connectivity information• simplified procurement of channel components• improved network reliability

People-based• people using control tools• control tools must deliver valid information

CONFIGURATION CONTROL SYSTEMS CONFIGURATION CONTROL TOOLS

Paper records• prone to human error, no error checking• deteriorates over time

Standard software• replacement for paper (same faults)• false sense of security

Specialist cable management software • relational information• circuit and connection display• storage of associated information

CONTROL TOOLS SELECTIONTool type• volume analysis (change predictions)• who will manage?• when will they manage?

Tool enhancements• “what if” routines• integration with network management systems• integration with intelligent patching





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Administration - Operating Procedures

A system shall exist to ensure that all relevant personnel are made aware of all policies required to maintainproper operation of the telecommunications system.

BS 6701


ADMINISTRATIONOperating procedures





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Overall Provision

Consideration shall be given to:• the applications to be supported;• the administration of the cabling;• the number of termination points per user/square metre;• the growth in demand for termination points;• resilience requirements.

(BS) EN 50174-1


GENERALConsiderations of overall provision





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Environment


GENERAL

(BS) EN 50174-1


Consideration shall be given to:• vibration;• exposure to ultraviolet radiation and thermal effects;• ingress of dust, fluids and other contaminants;• chemical or biological attack;• physical damage (accidental or malicious) including that caused by animals;• presence, or potential presence, of hazards;• the movement of air (e.g. fans, heating and ventilation systems);• temperature range;• humidity including condensation and icing effects;• lightning strike;• wind effects.


GENERAL

(BS) EN 50174-2


The cabling components shall be acclimatised before installation.





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Earthing (Protective)


GENERAL

(BS) EN 50174-2


The electrical installation shall be provided with equipotential bonding according to HD 384 standards and(BS) EN 50310.


GENERAL

BS 6701


Protective earth connections shall be installed in accordance with BS EN 50310 and tested in accordancewith BS 7671.

Any extraneous metallic elements (e.g. armouring, strain relief members) within optical fibre cables shall beearthed in accordance with BS 7671.

Potential risks from any metallic elements within cables shall be assessed and mitigated before earthing isundertaken.





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Hazards - Safety


GENERAL

BS 6701 and (BS) EN 50174-2

Hazards - Safety

Mandatory requirements for:• identification and notification of hazards;• processing chemicals;• fire and explosion risks;• powder/dust environments;• static electricity and lightning;• electrostatic protection;• ionising radiation and other hazards;• fire extinguishing;

Mandatory requirements for the installation and operation of optical fibre test and transmission equipment

(BS) EN 50174-2Provisions shall ensure that all persons visiting the premises are aware of:

• locations and boundaries of hazardous areas;• procedures for working in hazardous areas;• fire precautions;• escape routes.

BS 6701





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Optical Fibre Safety


GENERAL

(BS) EN 50174-2

Optical fibre safety

Optical fibre interfaces shall:• NOT be viewed directly unless the output power is known to be safe (IEC 60825-2)• be labelled with appropriate warning signs or text (IEC 60825-2)

IEC 60825-2 Safety of laser products - Part 2: Safety of optical fibre communicationsystems

SAFETY

OPTICAL POWER: SAFETY LEVELS2000-5-1

TSD





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Optical Power Classification

Class 1 Devices that are safe under reasonably foreseeable conditions of operation, including theuse of optical instruments for intra-beam viewing

Class 1MDevices emitting in the wavelength range from 302,5 nm to 4 000 nm which are safe underreasonably foreseeable conditions of operation, but may be hazardous if the user employsoptics within the beam.NOTE: Class 1M was introduced in IEC 60825-1 A.1.

Class 3R

Devices that emit in the wavelength range from 302,5 nm to 1,000,000 nm where directintrabeam viewing is potentially hazardous but the risk is lower than for Class 3B devicesNOTE: Class 3R was introduced in IEC 60825-1 A.1. A conservative approach is to assume thatequipment carrying a Class 3A label (in accordance with earlier editions of IEC 60825-1) shall beconsidered to be of Class 3R.

Class 3B Devices that are normally hazardous when direct intrabeam exposure occurs but viewingdiffuse reflections is normally safe

Class 4 Devices that are also capable of producing hazardous diffuse reflections. They may causeskin injuries and could also constitute a fire hazard. Their use requires extreme caution.

IEC 60825-1 Ed.1.2 (2001)





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Location Categorisation

Open office areas are deemed “unrestricted access” areas

Secure IT rooms are deemed either “restricted access” or “controlled” areas.

The Classes of equipment, the associated Hazard levels and operating practices allowed within“restricted” and “controlled” areas differ. For this reason it is possible to have a designated“controlled” area within a “restricted” area provided that operating procedures prevent unauthorizedaccess

UNRESTRICTED ACCESS Protective housing with open access

RESTRICTED ACCESS Protective housing with no public access

CONTROLLED ACCESS

Protective housing with access limited to trained and authorized personnel(authorized and safety trained personnel only)

Implementation rules depend upon the“access” category

IEC 60825-2

FIA-TSD-2000-5-1





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Location Rules - I

Only Class 1 equipment to be used within, or to, an unrestricted area without additional safeguards

INVISIBLE LASER RADIATIONDO NOT VIEW DIRECTLY WITH

OPTICAL INSTRUMENTSCLASS 1M HAZARD

It is allowed to use equipment of Class 1M within, or to, anunrestricted area if the connection system in the areaprevents accidental eye contact (by means of their designor by a requirement for tools only access)

OPTIONAL LABELING

UNRESTRICTED AREAS

Only Class 1 or 1M equipment to be used within, or to, a restricted area without additional safeguards


OPTICAL INSTRUMENTSCLASS 1M HAZARD

It is allowed to use equipment of Class 3R within, or to, a restricted area if the connection system in thearea prevents accidental eye contact (by means of their design or by a requirement for tools only access)or if the equipment controls its Class by means of automatic power reduction (APR) which reduces theequipment to Class 1M upon detection of an “open circuit”

MINIMUM LABELING

RESTRICTED AREAS


OPTICAL INSTRUMENTSCLASS 3R HAZARD

RECOMMENDED LABELING

Only Class 1 or 1M equipment to be used within, or to, a controlled area without additional safeguards

INVISIBLE LASER RADIATIONAVOID DIRECT EXPOSURE

TO THE BEAMCLASS 3B HAZARD

It is allowed to use equipment of Class 3R and 3B in thecircumstances allowed for “Restricted Areas”

LABELING

CONTROLLED AREAS





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Location Rules - II

FD

FD

FD

FD

TO

Campus backbonecable

External network

FD

BD/FD BEF

CP

FD

FD

BEFCDBD

CP

TO

External network

External network

BEF

SC Duplex• no shutter• FTTD is restricted to Class 1

UNRESTRICTED AREA

No connector defined• backbone is restricted to Class 1M (or 3R with safeguards)

RESTRICTED AREA

No connector defined• external connection is restricted to Class 3B with safeguards

CONTROLLED AREA





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Segregation from Mains Power - I

BS 7671


SPECIFICATIONSegregation from mains power

Telecommunication circuits shall be segregated in accordance with BS6701 as appropriate.

Responsibility

BS 6701 (segregation for protection) - new text



The requirements of BS 6701 apply subject to the necessary precautions being taken to minimise electricalinterference contained within the BS EN 50174 series of standards.





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Segregation from Mains Power - II

(BS) EN 50174-2



Where power and data share the same pathway system, segregation shall be:• in accordance with the requirements of HD384 standards or;• in accordance with (BS) EN 50174-2;• whichever is the most stringent.





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Protection Against Electric Shock

HD 384 requirements as defined in BS 6701


SPECIFICATION

CabinetL (m)

Segregation rules apply A

Cabinet

Mainspower

cabling

ICT cabling

No dividerNon-

conductingdivider

150 mm50 mm

0 mm

A

50 < V a.c. < 600

600 < V a.c.

Assuming that all cabling insulation conforms to HD384

50 mm

Special cases*Normal

0 mm

All cases

0 < V a.c. < 100 All cases 0 mmSubject to the restrictions

of (BS) EN 50174-2

Protection against electric shock

* mains cable in separate conduit, mains cable that is double insulated, mineral insulated or earthed armoured





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Interference - Horizontal Cabling

(BS) EN 50174-2


SPECIFICATION

Power cable ICT cable

Screened

Screened

Unscreened

Unscreened

No divideror

non-metallicdivider

Aluminiumdivider

Steeldivider

50 mm

0 mm

200 mm

30 mm20 mm

0 mm

100 mm

10 mm5 mm

0 mm

50 mm

2 mm

A

0 mm for L< 20 mUnscreenedUnscreened

ScreenedScreened

L (m) 15 mTermination point

Segregation rules apply No rulesA

Cabinet

Mains powercabling

ICT cabling

Segregation of circuits

Separation shall exceed 130 mm for fluorescent, neon or h-i discharge lamps

Cable crossing shall be at 90 degrees





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Interference - Backbone Cabling

(BS) EN 50174-2


SPECIFICATIONSegregation of circuits

Power cable ICT cable

Screened

Screened

Unscreened

Unscreened

No divideror

non-metallicdivider

Aluminiumdivider

Steeldivider

50 mm

0 mm

200 mm

30 mm20 mm

0 mm

100 mm

10 mm5 mm

0 mm

50 mm

2 mm

A

UnscreenedUnscreened

ScreenedScreened

CabinetL (m)

Segregation rules apply A

Cabinet

Mainspower

cabling

ICT cabling

Separation shall exceed 130 mm for fluorescent, neon or h-i discharge lamps

Cable crossing shall be at 90 degrees





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Fire Barriers

(BS) EN 50174-2


SPECIFICATIONSegregation of circuits

Standard separationStandard separation

0,5 m max. 0,5 m max.

Separate metal trunking/conduit

For mains power cables other than single core cables operating at voltages exceeding 600 VA it is possibleto reduce the physical spacing requirements as shown below provided that:• the requirements for fire barriers are observed;• HD 384.5 is taken into consideration.





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Termination Points

(BS) EN 50174-1


SPECIFICATIONTermination points

The number of termination points per work area shall:• reflect the proposed occupancy of the premises;• reflect the predicted requirements of those occupants.

The space allocated to a termination point shall:• provide adequate clearances to eliminate damage to the cabling during installation.• maintain cable suppliers/standards specified minimum cable bend radii.

(BS) EN 50174-2Termination points shall be located and oriented in such a way as to prevent ingress of moisture or othercontaminants and to reduce the risk of damage to the cables connected to them.





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Closures

(BS) EN 50174-1


SPECIFICATION

Closures shall:• provide strain relief to the cables;• provide appropriate environmental protection for the termination points;• maintain segregation rules for protection from electric shock defined in (BS) EN 50174-2.

Closures

Closures shall be located in order to:• allow safe access during installation, termination and operation of the connections;• provide appropriate environmental protection for the termination points.

The cable entrance to a closure shall:• maintain the environmental performance of the closure• provide cable support and prevent kinking• provide strain relief (unless provided elsewhere)• for optical fibre

• provide suitable cable glands





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Closures

(BS) EN 50174-2


SPECIFICATION

Closures providing facilities for the termination or distribution of both telecommunications and mainspower cables shall be designed to provide separate covers for the two cabling types.

Alternatively, a single overall cover is allowed provided that the mains power cabling remainsprotected to after removal of the cover.

Where both telecommunications and mains power cabling are contained within a closure:• front plates on the closure shall provide separate access to each cabling type;

• the plates shall be retained on the closure• the plates shall require tools for access

• if the closure is metallic, it shall be included in a protective earth system;• the closure shall have a barrier (either conducting or non-conducting) between the two cable types;

If the barrier is conductive, it shall be included in a protective earth system;• there shall be separate entry plates for the two cable types.

Closures

Closures shall be located in order to enable subsequent measurements, repair, expansion or extension ofthe installed cabling with minimal disruption and in safety.





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Pathways - I

(BS) EN 50174-1


SPECIFICATION

Pathway systems shall:• not contain sharp edges or corners that could damage the cable;• provide adequate access;• maintain cable suppliers/standards specified minimum cable bend radii:

• within the pathway system and within drawboxes;• be in clean condition prior to installation of cables.

Pathways

Pathways shall be located in order to:• allow safe access during installation, repair and maintenance;• allow space for the cable installation apparatus;• maintain cable suppliers/standards specified minimum cable bend radii;• avoid environmental conditions outside those specified for the cable.





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Pathways - II

(BS) EN 50174-2


SPECIFICATIONPathways

Pathways systems shall conform to relevant European standards:• conduit: (BS) EN 50086 series;• trunk and duct: (BS) EN 50085;• busbar trunking: (BS) EN 60439-2• tray and ladder: (BS) EN 61537.

Suspended pathway systems shall not be used.

Conductive pathway systems, barriers and fittings shall be included in the protection measures againstindirect contact (a means of protection against excessive contact voltage).

The means of protection may be constituted:• by the provision of adequate insulation for the cables and terminals (protective insulation);• by their inclusion within a protective earth system.

In areas in which cables can neither be damaged nor have their transmission properties adverselyaffected, cables can be installed without the need for pathway systems.





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Pathways - III

(BS) EN 50174-2


SPECIFICATIONPathways

Tray should be as deep aspossible and install cabling

in corners(EMI reduction)

BALANCED CABLING





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Wide Area Connections

(BS) EN 50174-1


SPECIFICATION

The external service/equipment provider shall:• advise as to the permissible distances between items of apparatus.

Wide area connections

The user, installer and the external service/equipment provider shall agree:• the location of network termination points (NTPs);• the supply and capacity of the equipment;• identification and numbering of circuits at the NTP;• the boundaries of responsibility between public and private network;• liaison and fault reporting procedures;• access arrangements.





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Planning the Installation

Planning RequirementsFrames and Cabinets

Cable (Cord) ManagementComponent SelectionEarthing (Functional)

Screen (Shield) Management





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Planning Requirements


Cable (cord) managementCabinets/frames

SPECIFICATION

BS 6701, (BS) EN 50174-1 and (BS) EN 50174-2

Screen (shield) managementEquipotential bondingComponent selection





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Frames and Cabinets

(BS) EN 50174-1


SPECIFICATION

Frames and cabinets shall:• maintain segregation rules for protection from electric shock defined in (BS) EN 50174-2;• maintain cable suppliers/standards specified minimum cable bend radii;• provide adequate facilities for the effective management of cords;• provide appropriate environmental protection for their contents;• be earthed.

Cabinets/frames

Frames and cabinets shall be located in order to:• allow safe access during installation, termination and operation of connections:

• safe working height;• free from risk of contamination;• be provided with illumination (although not direct sunlight);

• be consistent with space, floor loading and service demands of active equipment;• allow 1.2 metres on each “access face”;• minimise the risk of electromagnetic interference.





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Cable (Cord) Management

(BS) EN 50174-1


SPECIFICATION

Effective management shall:• provide space for horizontal and vertical cable routeing fixtures;• provide space for storage of excess cord length without risk of damage;• minimise the length of patch and equipment cords;• simplify the routeing of patch and equipment cords;• not obstruct termination points;• conform to cable suppliers/standards specified:

• minimum cable bend radii;• tensile loads;• crush loads;

Cable (cord) management





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Component Selection

(BS) EN 50174-1


SPECIFICATIONComponent selection

Components selected shall:• ensure that the installed cabling performance meets application requirements;• be compatible with the storage, installation and operational environment;

• consideration shall be given to defined abnormal environmental conditions;• be addressed in terms of potential risk of fire and/or explosion.

Screened cables and connecting hardware selected shall:• be compatible such that termination maintains screening effectiveness.

Connecting hardware selected for information technology cabling shall not be interchangeable with thesockets or plugs used for mains power distribution.

(BS) EN 50174-2

BS 6701External cables containing flammable materials should be terminated on entry to the building. Any cablingthat readily supports combustion and is used inside a building shall be installed in fire resistant trunking orconduit.

BS 6701, (BS) EN 50174-1 and (BS) EN 50174-2





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Earthing (Functional) - FE


SPECIFICATIONEarthing (Functional)

A FE conductor shall be provided to all equipment requiring such a connection.

Some equipment may utilise the FE conductor to provide a path to operate low voltage d.c. fuses or otherovercurrent devices; in such cases the section(s) of the FE used for this purpose shall be of sufficientcapacity to meet the thermal requirements under fault conditions.

In order to prevent large earth loop or fault currents, equipment shall only be connected to a FE that servesthe building in which the equipment is installed.

The FE connection shall be hardwired e.g. crimp, insulation displacement, screw or solder terminal, andshall not be a plug/socket connection.

The continuity of the FE cabling shall be checked at and between all points providing a FE connection to theequipment.

BS 6701





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Earthing (Functional) - FE


SPECIFICATIONEarthing (Functional)

Where the equipment supplier allows the provision of FE connections by means of PE cabling and/orwhere equipment has a PE connection that can be used as a FE connection then:

• the PE shall be installed and connections made to it shall be in accordance with BS 7671;• the outer insulation of the PE conductor shall be green/yellow in accordance with BS 6746C;• “SAFETY/TELECOMMS EARTH DO NOT REMOVE” label/tag shall be used at all connections;• armouring, conduit, pipes, metallic frames and trunking shall not be used as FE connections.

BS 6701

FE v

ia o

ther

mea

ns

FE conductors shall be connected to earth in accordance with BS 7671 at the CMET. The location ofthe CMET shall be recorded and the information shall be available for inspection on site. At theconnection point at the CMET, a FE conductor shall be clearly identified by a label or tag containingthe words “TELECOMMS EARTH DO NOT REMOVE”.

A FE conductor shall connect the CMET to the FE terminal of any equipment not connected to a PE.

The specification for the FE conductor shall be in accordance with the recommendations of thesupplier of the equipment to be connected. The conductor may be a separate cable or a suitableconductor in a multi-conductor cable. Where the FE conductor is provided as a separate cable, thecable sheath shall be cream in colour in accordance with BS 6746C and continually marked with thewords “TELECOMMS FUNCTIONAL EARTH”.

FE v

ia P

E





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FE Recommendations

Cabinet/frameearthing point

1.5mm2

earth conductors

16mm2

earth conductor

Cabinet/frameearthing point

1.5mm2

earth conductors

16mm2

earth conductorLocal Earthing Point

25mm2

earth conductor

Consumers Main Earthing Terminal

Typically a busbar:6mm thick, 100 mmwide, and at least

200mm long

Suitable precautions shall be taken to avoid any potential difference between any legacy earthing systemand that installed as part of the equipotential earthing scheme.





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Screen (Shield) Management

(BS) EN 50174-2


SPECIFICATIONScreen (Shield) Management

The cable screen shall be continuous from the transmitter to the receiver.

The cable screen shall have a low transfer impedance (according to (BS) EN 50173-1).

The screening should continue through an adequate screen connection; normal pin contacts shall not beused.

There shall be no discontinuities in the screening: e.g. holes in the screen, pigtails, loops….discontinuity dimensions of the order of 1 % to 5 % of the wavelength can decrease the overalleffectiveness of screening.


with Consolidation PointPP CP TOCC

Equipment cord Patch cord CP cord Work area cord





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The User Guide

The Channel Performance ManagerQuality of Service

Channel ConstructionBalanced Channel Pre-Design

Channels: Creation and Re-Creation

Cabinet/Cord Inspection Schemes

Cords

ContaminationTransmission Equipment


Optical Fibre Channel Pre-Design

Balanced Optical Fibre

Mode Conditioning






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A system shall exist to ensure that all relevant personnel are made aware of all policies required to maintainproper operation of the telecommunications system.

BS 6701


ADMINISTRATIONOperating procedures





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The Channel Performance Manager




PPCC PP CC




THE USER• configures up to 80% of each channel• defines 100% of channel performance

CHANNEL MANAGEMENT IS KEY TO NETWORK RELIABILITY


MUTOA/TO





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CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Structure



Quality of Service

Design



ChannelPerformance





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Channel Construction

ISO/IEC 11801 (2002), (BS) EN 50173-1 and ANSI/TIA/EIA-568-B.1

There are no restrictions on the length of equipment and patch cords,CP cords/cables or work area cords.

PPCC PP CC


PPMUTOA/

TOCC

CP Link

PP MUTOA/TOCC

Permanent Link


with Consolidation Point


w/o Consolidation Point

TP/CP





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Balanced Channel Pre-Design

PP CPCC WA

100 metres max.

No. of connections2

3 inc. CP4

H = (103-FX-CY)/TH = (105-FX-CY)/TH = (107-FX-CY)/T

H = (109-FX)/T3 w/o. CP H = (107-FX)/T

H = (104-FX)/TH = (103-FX)/T

H = (103-FX-CY)/TH = (102-FX-CY)/T H = (102-FX-CY)/T

H = (103-FX)/TH = (105-FX)/T

Class D/Category 5 Class E/Category 6 Class F/Category 7




C

F1 F2

F = F1 + F2 X = cord attenuation premiumY = CP cable attenuation premium


90 metres max.

H, 15 metres min.

ISO/IEC 11801 (2002) and (BS) EN 50173-1


MUTOA/TO





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Available Margin - I


PPCC PP CC


PP

CP

CC WA

Maximum lengths, X and Y to be defined by designer

ISO/IEC 11801 (2002) and (BS) EN 50173-1

MUTOA/TO





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Margin Calculation

ISO/IEC 11801 (2002) and (BS) EN 50173-1

The highest measured insertion loss/attenuation occurs atthe highest measurement frequency. The test equipmentwill have to report the margin between the measured valueand the channel limit at:• 100 MHz for Class D compliance;• 250 MHz for Class E compliance.

The installer has to check that the margin is acceptable.

Class EClass DConnection 0,2 dB 0,32 dBSolid cable 0,21 dB/m 0,33 dB/m

Stranded cable0,25 dB/m 0,40 dB/mUnscreened cable0,32 dB/m 0,50 dB/mScreened cable

INSERTION LOSS/ATTENUATION

DELAY SKEW

Delay skew is constant with frequency The installer has to check that the margin is acceptable.

Class EClass DConnection 1,25 ns

Cable 0,45 ns/m





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Available Margin - II

30

35

40

45

50

55

60

65

70

1 10 100 1000Frequency (MHz)

dB

NEXT

Class E PL

Class E Channel5

7

9

11

13

15

17

19

21

23


dB

Class E Channel

RETURN LOSS

Class E PL

15

20

25

30

35

40

45

50

55

60

65

70


dB

ELFEXT

Class E 2-conn PL

Class E 4-conn Channel





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Optical Fibre Channel Pre-Design

(BS) EN 50173-1

PPCC PP CC

L (metres)

OF-300OF-500OF-2000

Class 850 nm

Multimode L = 735-145x-90yL = 935-145x-90yL = 2435-145x-90y

Cable Category

Singlemode

Cable Category

OM1, OM2, OM3

OS1OF-300OF-500OF-2000

Class

1300 nmL = 1300-330x-200yL = 1500-330x-200yL = 2435-330x-200y

1310 nmL = 1800-500x-300yL = 2000-500x-300yL = 3500-500x-300y

1550 nm

L = 2000-500x-300yL = 3500-500x-300y

L = 1800-500x-300y



L max. (m)3005002000

L max. (m)3005002000

x = no. of mated connections in the channely = no. of splices in the channel

Formulae not includedISO/IEC 11801 (2002)





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Channels: Creation (and Re-Creation)

PP CP

PP CP TOCC


PP CP TO

CP cord

PP CP TOCC




MOVE AND CHANGE

CHANNEL BUILD 1

CP cord






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Balanced Cords

Cross-over cord(looks straight-through)

Straight-through cord(looks crossed)

IN GENERAL• it cannot be assumed that connecting hardware components are interoperable;

• multi-vendor connections are not guaranteed by (BS) EN or IEC specifications• all cords will be subject to range of length rules (dependent upon location)• equipment cords may be subject to polarity rules• network failure can result:

• if length rules are breached;• if polarity is not maintained;• if cords are badly installed and managed.





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Optical Fibre Cords

Cross-over cord(looks straight-through)

Straight-through cord(looks crossed)

IN GENERAL• it cannot be assumed that connecting hardware components are interoperable;

• only SC Duplex have an interoperability requirement• cords will be subject to range of length rules (dependent upon location)

• bandwidth restriction may cause length to be an issue• cords will be subject to polarity rules• network failure can result:

• if polarity is not maintained• if bandwidth is impacted





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Mode Conditioning Cords

n1(r)

n2

Launch deviceor cord

with ~ 20 µµµµm offset

NA Cord required NA830nm 1270nm 1270nm

-SX -LX1000BASE

50/125 50/12562.5/12562.5/125 SMF

Offset MMFSMF

MMF

Mode conditioning cord

• only used at the transmitter• with SM fibre connected to Tx port

• network failure can result:• if MCC is used at the receive end of the channel;• if MCC is connected the wrong way round.





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Cord Administration

ID LABEL ID LABEL

CORD ID LABELLabel should contain unique ID• ID linked to a batch-based record

CORD TYPE LABEL

CORD TYPE LABELLabel should define• type• length• purpose• locations• cable• connector types• supplier

BOOT/MARKER BOOT/MARKER

BOOT/MARKERDefines• orientation sensitivity

• in use• in fault condition





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Cabinet/Cord Inspection Scheme

Restrict the options otherwise cabinets become impossible to inspect

CABLE COLOURS

Cable (different colour) and plugs made available for temporary installations

EMERGENCY USE

Develop rules to install shortest cords required

NO “one -size” fits all approach

CORD INSTALLATION RULES





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Contamination

Connector end-faceEpoxy adhesive

CladdingCore

Contamination radius r1Contamination radius r2

142 m@

850 nm

0

1

2

3

0 5 10 15 20Total contamination radius (microns)

Loss

(dB) 50 µµµµm MMF

Photographs courtesy of Fluke Networks





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Transmission Equipment

(BS) EN 50174-2Only equipment that incorporates safe signal circuitry complying with the SELV circuit and the TNVrequirements as defined in IEC/(BS) EN 60950 shall be connected to telecommunications cabling.

Equipment connected shall comply with the protection requirements against electric shock of the relevantproduct safety standards.

The connection of active equipment to information technology cabling shall not introduce safety hazardsfor other users of the system

ELECTROMAGNETIC COMPATIBILITY

• to obtain “EMC evidence” for selected equipment over supported cablingDesign

• ensure cabling installation is in accordance with manufacturers instructionsInstallation

• ensure EMC compliance is relevant to installed cable• install in accordance with suppliers instructionsOperation






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SAFETY


TSD

IEC 60825-2

Records shall be kept of all optical fibre transmission equipment, to be connected to the IT cablinginfrastructure within and between premises, together with its output power Class

In general, transmission equipment contained in an area shall take into consideration the designation ofthat area and that of the remote areas served by that equipment

Transmission equipment contained in an area shall not modify the designation of that area or that of thearea served by the transmission equipment (unrestricted or restricted) without appropriate actions beingtaken

Magnified inspection of optical fibre end faces shall only be undertaken with microscopes that containsuitable and calibrated attenuators/filters to allow the viewing of Class 1M outputs

All interfaces shall be “capped” when not in use

Strict key control shall be applied to restricted and controlled areas





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Browser SystemsDocumentation - SchematicsDocumentation - Connectivity

BalancedOptical Fibre

Polarity Evolution

Polarity Maintenance





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Browser Systems

INTRANET

INTERNET

CD

CD AUTORUN SOFTWARE

WEB DEVELOPMENT SOFTWARE

.pdf CREATOR

DRAWING VIEWER

DRAWING PACKAGE

TEST RESULT VIEWER

Web publisher

CD Writer





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Documentation - Schematics

DATA

IT’S THE LENGTH, NOT THE WIDTH THAT MATTERS

Powerpoint page width

Check for best format• .gif• .jpg• .pnf

HEADER 1

Sub-MENU

MAINMENU

HEADER 2

FOOTER

Once you have a successful processSTICK TO IT





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Documentation - Connectivity

Real-time Management - The New Great Hope

Multiple offerings• iTRACS - branded• PatchView (RiT) - branded• i-Patch (Avaya)

Widespread commercial success remains to be determined

Installation Planning Tools: under-used power

Connectivity spreadsheetsRelational databases





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Balanced Cabling TO Polarity

TIA-T568B (ATT 258A)Pair Colour

1 Blue2 Orange3 Green4 Brown

1

Pr.2 Pr.3 Pr.4

ANSI/TIA/EIA-568-B.1

TIA-T568A (ATT 258B)

1

Pr.3 Pr.2 Pr.4

1

ISO/IEC 11801 (2002) and (BS) EN 50173-1 - Category 5 (2002) and Category 6





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Optical Fibre Polarity

SAFETY

POLARITY MAINTENANCE2000-3-3

TSD

IEC 60825-2

SIMPLEX CONNECTIVITY

Installation practice has beenPort 1 to Port 1

Polarity fix in equipment cords

DUPLEX CONNECTIVITY

Installation practice is Port 1a to Port 1b

No polarity fix in equipment cords





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Polarity Flexibility

Transmission channel

Serial 40Gbs-1

Parallel 4x10Gbs-1

Parallel 12x2.5Gbs-1





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Termination Modules

Pre-terminated cable(MPO-MPO)

Equipment cord

Equipment cord

8/12 OF

8/12 OF

8/12 OF

Termination module Termination module

Simplex connectivity

SFF connectivity(duplex)

MPO connectivity(multi-fiber)





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Installation Practice

Installation RequirementsDelivery to Site

Pre-installation ChecksRoute Preparation

Closure InstallationTermination

SafetyGeneral

Optical Fibre

Cable Installation

Final Acceptance Testing





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Installation Requirements


Delivery to siteInstallation

PRACTICES

SAFETY General

BS 6701, (BS) EN 50174-1 and (BS) EN 50174-2

Cable installationRoute preparationPre-installation checks

Closure installationTermination

Optical fibre






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Delivery to Site

(BS) EN 50174-2


Incoming goods shall be:• monitored during delivery to ensure freedom from damage• consistent with accompanying documentation• stored in a secure location• stored in accordance with specified environmental requirements

PRACTICES InstallationDelivery to site

Prior to installation the installer shall:• NOT unpack cable until required (except for testing)• ensure that cable ends are taped/covered• check environmental aspects, availability and accessibility of:

• pathways and pathways systems including catenary wires• installation apparatus• closures

• “acclimatize” the cabling components





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Pre-installation Checks

(BS) EN 50174-2


The earthing and bonding of all metallic pathway systems shall be undertaken according to the installationspecification.

InstallationPre-installation checks

The installer shall establish that the routes defined in the Installation Specification are:• accessible;• available according to the installation programme.

The installer shall advise the client of all proposed variations

The installer shall verify that the environmental conditions within the routes and the installation methods tobe used are suitable for the design of cable to be installed.

The installer shall identify the proposed accessibility and availability of the following during theinstallation programme:• locations at which drums (or reels) are to be positioned;• locations of cable service loops;• locations of closures• all necessary installation accessories

PRACTICES





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Route Preparation

(BS) EN 50174-2


InstallationRoute Preparation

Where cable is to be installed in shared routes reasonable precautions shall be taken to prevent damage toexisting cables or fragile structures within those routes.

Existing catenary wires shall be checked for satisfactory function and, where necessary, catenary wiresshall be replaced.

Cable ducts, sub-ducts, tray and trunking shall be installed as required.

Cleats or temporary structures (to assist cabling installation) shall be fitted where necessary.

Where it is necessary to remove ceiling tiles, floor covers or duct covers, only the minimum number shall beremoved.

Ducts, fire-ducts and gas seals shall be opened as required.

PRACTICES





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Cable Installation

(BS) EN 50174-2


The cable shall:• be installed and used as directed by the manufacturer;• installed in accordance with specified environmental requirements;

The following practices shall be observed:• minimum bend radii shall be complied with;• maximum pulling load shall be complied with;• imposed stress (installation under tension, cable ties) shall be eliminated;• localised application of pressure to the cable sheath or the cable elements shall be eliminated.

InstallationPRACTICES

The following practices shall not be allowed:• fixing of cables leading to deformation or damage to sheath• joints other than those specified• processes that degrade the environmental performance of the components

Cable installation

BS 6701 and (BS) EN 50174-2

BS 6701Precautions shall be taken to prevent cable damage due to kinking, ravelling, twisting, abrasion or crushing.





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Closure Installation

BS 6701 and (BS) EN 50174-2


The cable entrance shall:• maintain the environmental performance of the closure;• provide the necessary cable support and prevent kinking at the point of entry into the closure;• provide strain relief for the cable if not already done by separate fixtures within the closure;• provide suitable glands to allow the entry of optical fibre cables.

Where closures are configured as patch panels:• terminated cables shall be installed in accordance with the installation specification.

InstallationClosure installation

PRACTICES

(BS) EN 50174-2

The bend radii of cable elements within closures shall comply with manufacturers and/or suppliersinstructions.

BS 6701





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Termination

(BS) EN 50174-2


Termination

Cables shall be terminated:• using instructions as supplied by the manufacturer of the connecting hardware• using tools as recommended by the manufacturer of the connecting hardware• for copper

• removing the minimum of cable sheath material• for optical fibre

• under no circumstances shall splices be left unsupported

PRACTICES





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BS 6701



Final acceptance tests shall only proceed following marking, labelling and fitting of all componentsassociated with the cabling under test.

PRACTICES





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Safety

(BS) EN 50174-2


Any enclosed environments within the routes shall be tested for asphyxiating and explosive gases.

Where a gas hazard be detected the installer shall inform the site contact nominated by the client andappropriate action shall be agreed and undertaken.

General

Relevant national legislation for safe working practices shall be complied with.

SAFETY





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Optical Fibre Safety Standards and Guides

(BS) EN 50174-2(2001)

Information technology - Cabling installation-Part 2: Installation planning and practices inside buildings

IEC 60825-1 Safety of Laser ProductsPart 1: Equipment classification, requirements and users guide

IEC 60825-2 Safety of Laser ProductsPart 2: Safety of optical fibre communication systems

SAFETY

OPTICAL POWER: SAFETY LEVELS

OPTICAL FIBRE: HANDLING OF PROCESSING CHEMICALS

OPTICAL FIBRE: DISPOSAL OF WASTE

2000-5-1

2000-5-2

2000-5-3

TSD





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Optical Fibre and Cable Waste

• exposed optical fibre ends shall be kept away from the skin and eyes;• the quantity of optical fibre waste shall be minimized;• waste fragments shall be:

• treated with care;• collected (not by hand);• disposed of in suitable containers via an approved agency.

Good practice requires operators to“collect all fibre off-cuts and dispose of them in an approved container” and that “the containeritself should be disposed of in an approved manner”.

IEC 60825-2

(BS) EN 50174-2

SAFETY

OPTICAL FIBRE: DISPOSAL OF WASTE2000-5-3

TSD

The quantity of optical fibre waste shall be minimized.

Exposed optical fibre ends shall be kept away from the skin andeyes.

Waste fragments shall be treated with care and collected (notby hand) and disposed of in suitable containers via anapproved agency

Safe disposal via an approved agencyshall be achieved by means of a waste

disposal organization competent tohandle the relevant materials. Localauthorities are often able to eitherprovide the service or recommend

alternative service providers.





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Optical Fibre and Cable Waste

Do not touch the end of optical fibres in any type of cable construction

Where possible, without restricting the capability of the installation operative, the use of safety glasses andLatex (or similar) gloves should be considered

When cutting or cleaving it is recommended that long lengths of optical fibre be removed that are clearlyvisible

Ensure that all waste produced is placed in a small well defined area to enable maximum collectionefficiency

Optical fibre waste shall be treated with care and collected (not by hand) together with other waste materialsand placed in "sharps containers"

“Sharps containers” should not be filled above the maximum fill line and should be temporarily orpermanently closed as required in accordance with the instructions supplied with the container

The exposed ends of optical fibre cable waste shall be taped and shall be placed in tough plastic bagsThe bags shall be standard biohazard bags or be labelled “CAUTION, FIBRE OPTIC OFFCUTS”

Excess cable on drums should have the ends taped over and the end should be secured to the drum

Before contractual handover of cabinets or closures within which optical fibres have been installed, ensurethat all optical fibre waste and optical fibre cable waste has been removed

SAFETYTSD

In certain cases Latex causes allergic reactions, particularly following extended periods of exposure

OPTICAL FIBRE: DISPOSAL OF WASTE2000-5-3





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Optical Fibre Waste Disposal

In the UK the sharps containers shall meet therequirements of BS 7320

“SHARPS” CONTAINERS

“BIOHAZARD BAGS”





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Processing Chemicals

Installation procedures shall not impair the fire behaviour of the components used or release dangeroussubstances from the cabling.

Use only approved methods for cleaning and preparing optical fibres and optical connectors.

IEC 60825-2

(BS) EN 50174-2

SAFETY

OPTICAL FIBRE: HANDLING OF PROCESSING CHEMICALS2000-5-2

TSD

Eating and smoking shall not be permitted in the vicinity of processing chemicals

A basic First Aid Kit shall be readily available together with a ready supply of water

Work should be carried out in well ventilated areas or forced ventilation should be provided

Prolonged and repeated breathing of vapour or fumes should be avoided

Precautions should be taken to avoid contact with eyes or skin or clothing





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Processing Chemicals

The installer shall have documented procedures for substances that are hazardous to health …..

All processing chemicals shall be stored in clearly and correctly marked containers

All processing chemicals shall be securely stoppered when not in use

All processing chemicals shall be safely disposed of following use

All processing chemicals shall be safely disposed of upon reaching relevant expiry dates

Processing chemicals used should be in accordance with the relevant manufacturers instructions and ifalternatives are used they shall have been proven not to release dangerous substances

SAFETY

OPTICAL FIBRE: HANDLING OF PROCESSING CHEMICALS2000-5-2

TSD

In the UK this requires conformance with the current COSHH Regulations

Have in place a review system for new operatives to check for excessive reaction to chemicals

Do not proceed until you have all the information necessary including the COSHH assessments, andyou are satisfied that you understand them

Safe disposal via an approved agency shallbe achieved by means of a waste disposal

organization competent to handle the relevantmaterials. Local authorities are often able to

either provide the service or recommendalternative service providers.





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Optical Power

Magnified inspection of optical fibre end faces shall only be undertaken with microscopes that containsuitable and calibrated attenuators/filters to allow the viewing of Class 1M outputs

Unterminated optical fibre ends shall be individually or collectively covered when not being worked on

All interfaces shall be “capped” when not in use

When transmission or test equipment above Class 1M is used:• both ends of the cabling shall in effect be made into restricted access areas;

• using temporary access control and labelling advising of the potential Hazard level;• the remote ends of the cabling under test or the free ends of tail leads shall be capped.


SAFETY


TSD

When transmission or test equipment above Class 3R is used:• both ends of the cabling shall in effect be made into controlled access areas;

• using temporary access control and labelling advising of the potential Hazard level;• the remote ends of the cabling under test or the free ends of tail leads shall be capped.





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Optical Power

Do not stare at the ends of optical fibres or unprotected interfaces with unprotected eyes or with any opticalinstrument (unless it contains appropriate filters);

Do not point the ends of optical fibres or unprotected interfaces at other persons

Unterminated optical fibres within closures should be covered with tape to prevent accidental exposureduring any subsequent installation or repair phases

Only prepare and/or joint un-separated ribbon optical fibres if authorization has been obtained from therelevant system designer/operator

When using test equipment and if the test method allows, always connect the test cord such that theconnection to the light source is the last connection mated and the first to be un-mated

Do not make any unauthorized modifications to any cabling or equipment connections

Report any missing optical safety labels


SAFETY


TSD





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Class D (2002) ChannelClass E Channel Class F Channel

Harmonisation of ParametersSingle Segment Cabling “Get-outs”

Multi-segment CablingChannel CreationLink Conformance

Length-Dependent Link Parameters

Design Standard Differences - Balanced CablingLink Definitions

Balanced Cabling Channel ModelsTest Interfaces





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Design Standard Differences - Balanced Cabling

(BS) EN 50173-1ISO/IEC 11801 (2002)ANSI/TIA/EIA-568-BIssue

Components Cat. 5e, no Cat. 7 Cat. 5 (2002), no Cat. 3

TO Delivery Cat.3 + Cat 5e/MMF Class D + Class D/OF

ClassesInstalled Cabling Categories

Quality Planning Not included ISO/IEC 14763-1 (BS) EN 50174-1

Cat. 6 (US) < Cat. 6 (ISO/IEC and (BS) EN) Cable specifications Cat. 5e < Cat. 5(2002)

Cat. 6 (US) < Class ELink specifications Cat. 5e < Class D (2002)Limits for all linksLink verification No CP Link limits

Design-dependent limitsPL Link verification Fixed limits

SpecifiedPower feeding Not specified

BALANCED CABLING

INSTALLED CABLING

STRUCTURE

Classes A to FBalanced Channels Cat. 3, Cat. 5e, Cat. 6

FUNDAMENTAL

Horizontal and backbonePermanent Link (PL) Horizontal cabling only

Horizontal length 90/100 metres No limits





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Basic Link (1997)

TIA/EIA-TSB67


PP

TP

TOCC

WA

Basic link

Basic link test configuration

TE TE





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Permanent Link (Horizontal)

ISO/IEC 11801 Ed.1.2 (2000) and (BS) EN 50173 Ed.1 Amendment 1 (2000)


PP

TP

TOCC

WAPermanent link

ANSI/TIA/EIA-568-B.1 (2001)

PPCC

Permanent link WA


MUTOA/TO

CP/TP





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Category 5e Specifications

ANSI/TIA/EIA-568-A A.5 (1999) ANSI/TIA/EIA-568-B.1 (2001)

9111315171921

1 10 100Frequency (MHz)

Retu

rn L

oss

(dB

min

.)

0

5

10

15

20

25


Inse

rtion

Los

s (A

ttenu

atio

n) (d

B m

ax.)

PL

BL

PL

BL PLBLPropagation delay (ns max.)

Delay Skew (ns max.)4985184445





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Permanent Link (2002)

ISO/IEC 11801 (2002) and (BS) EN 50173-1


PP

CP

MUTOA/TOCC

WA

Permanent link

PPCC PP CC






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Length and Performance

-100

10203040506070


dB

Delay = 555ns. max @ 10MHz

-100

10203040506070


dB

Delay = 555ns. max @ 10MHzSkew = 50ns. max.DC loop resistance = 25Ω max.DC loop resistance unbalance = 3% max.

PSACRACR

RLPSELFEXT

ELFEXT

PSNEXTNEXT

NEXT

IL

ACR

IL

Class D Channel (1995)

Class D Channel (2002)





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Balanced Cabling Channel Models

100 metres

90 metres

ISO/IEC 11801 (2002) and (BS) EN 50173-1

IEC/(BS) EN cables with 50% additional attenuation

ANSI/TIA/EIA-568-B.1 (2001)


PPCC

WA

IEC/(BS) EN cables

90 metres

TIA/EIA568-B.2 cables with 20% additional attenuation


PPCC

WA

TIA/EIA568-B.2 cables

100 metres





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Installed Class vs. Category - Attenuation/IL

1,05*(1,9108*sqrt(f)+0,0222*f+0,2/sqrt(f))+4*0,04*sqrt(f) 4dB min

f dB16 9,1100 24,0

Class D (2002) Channel Category 5e Channel


f16100

dB9,124,0

1,05*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))++4*0,02*sqrt(f)

4dB min

f dB16 8,3100 21,7

Class E Channel Category 6 Channel

1,02*(1,808*sqrt(f)+0,017*f+0,2/sqrt(f))+4*0,02*sqrt(f) +

0,0003*f1.5

3dB min

f16100

dB8,021,3

200250

200250

31,735,9

31,536,0


f dB16 7,7100 20,4

Class D (2002) Permanent Link Category 5e Permanent Link


f16100

dB7,921,0

0,9*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))++3*0,02*sqrt(f)

4dB min

f dB16 7,0100 18,5

Class E Permanent Link Category 6 Permanent Link

0,9*(1,808*sqrt(f)+0,017*f+0,2/sqrt(f))+3*0,02*sqrt(f) +

0,00015*f1.5

3dB min

f16100

dB7,118,6

200250

200250

27,130,7

27,431,1





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Test Interfaces


PPCC PP CC


TEST INTERFACES

ISO/IEC 11801 (2002) and (BS) EN 50173-1


PP CPCC

WA

MUTOA/TO

TEST INTERFACES


PP

TP/CP

CC

WA

MUTOA/TO





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CP Link (2002)

ISO/IEC 11801 (2002) and (BS) EN 50173-1


PP CPCC

WA

MUTOA/TO

A point of contractual transfer

CP Link





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Class D (2002) Channel

-10

0

10

20

30

40

50

60

70


dB

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL


ISO/IEC 11801 (2002) and (BS) EN 50173-1





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Class E Channel

-10

0

10

20

30

40

50

60

70


dB

ISO/IEC 11801 (2002) and (BS) EN 50173-1

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL






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Class F Channel

-10

0

10

20

30

40

50

60

70


dB

PSACR

ACR

RL

PSELFEXT

ELFEXT

PSNEXT

NEXT

IL

ISO/IEC 11801 (2002) and (BS) EN 50173-1






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Harmonisation of Parameters

Return lossAttenuation

NEXTPSNEXT

ACRPSACRELFEXT

PSELFEXT

Loop resistanceLoop resistance unbalance

DelayDelay skew

Voltage capacityPower capacity

Length

ISO/IEC 11801(BS) EN 50173-1

YES

ANSI/TIA/EIA568-B series

YESYES YESYES YESYES YESYES NOYES NOYES YESYES YESYES YESYES YESNO YESYES NOYES NOYES NOYES NO

Class DClass E

Category 5eCategory 6

Harmonized

HarmonizedHarmonized

HarmonizedHarmonizedHarmonizedHarmonized

Not harmonized





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Single Segment Cabling “Get-outs”

Return loss requirements at frequencies at which the insertion loss/attenuation is below 3,0 dB

are informative only

Minimum link return loss (dB)

Minimum link NEXT (dB)NEXT requirements at frequencies

at which the insertion loss/attenuation is below 4,0 dB are informative only (ACR is mandatory)

Minimum link PSNEXT (dB)See NEXT

ISO/IEC 11801 (2002), (BS) EN 50173-1 and ANSI/TIA/EIA-568-B.2.3

ISO/IEC 11801 AND (BS) EN 50173-1PP PP

CP link PP

PP

MUTOA/TO

Permanent link

CP





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Return Loss Exclusion

0

10

20

30

40

50

60

70

80

90


Link

leng

th (m

)

Channel/link lengths at 3,0 dB insertion loss/attenuation

Approximate conditions for Class D, E and F• lengths below 10m @ 100MHz• lengths below 20m @ 31.25MHz• lengths below 30m @ 20MHz• lengths below 40m @ 10MHz

Class DClass EClass FClass C

ISO/IEC 11801 (2002), (BS) EN 50173-1 and ANSI/TIA/EIA-568-B.2.3





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NEXT/PSNEXT Exclusion

0

10

20

30

40

50

60

70

80

90


Link

leng

th (m

)

Channel/link lengths at 4,0 dB insertion loss/attenuation

Approximate conditions for Class D, E and F• lengths below 15m @ 100MHz• lengths below 30m @ 31.25MHz• lengths below 40m @ 20MHz• lengths below 60m @ 10MHz

Class DClass EClass FClass C

ISO/IEC 11801 (2002) and (BS) EN 50173-1





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Multi-segment Cabling - I

Relaxation for short lengths appliesBUT risk of failure/marginal result

due to CP cord/cable


Minimum link NEXT (dB)Relaxation for short lengths applies

BUT risk of marginal resultdue to CP cord/cable


ISO/IEC 11801 (2002) and (BS) EN 50173-1

PP

Permanent link

CP

MUTOA/TO

PP CP

Channel

PPCC PP CC

MUTOA/TO


due to CP cord/cables, patch and equipment cords



BUT risk of marginal result due to CP cord/cables, patch and equipment cords


ISO/IEC 11801 (2002) and (BS) EN 50173-1





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Multi-segment Cabling - II

DEF

-20*log(10^(-0,05*(63,8-20*log(f)))+n*10^(-0,05*(75,1-20*log(f)))), 60 dB max.-20*log(10^(-0,05*(67,8-20*log (f)))+n*10^(-0,05*(83,1-20*log(f)))), 65 dB max.-20*log(10^(-0,05*(94,0-20*log (f)))+n*10^(-0,05*(90,0-15*log(f)))), 65 dB max.

1 ≤≤≤≤ f ≤≤≤≤ 1001 ≤≤≤≤ f ≤≤≤≤ 2501 ≤≤≤≤ f ≤≤≤≤ 600

Class Frequency Minimum channel ELFEXT (dB)

30

35

40

45

50

55

60

65

70


dB

ELFEXT

Class F2 connection PL3-connection linkChannel

Class E

Class D

n = 4

Minimum channel ELFEXT/PSELFEXT (dB)

n = 3

Minimum PL ELFEXT/PSELFEXT (dB)ANSI/TIA/EIA-568-B.1

n = 2 or 3

Minimum link ELFEXT/PSELFEXT (dB)ISO/IEC 11801 (2002) and (BS) EN 50173-1

5e6

Category


2 connection PL3-connection linkChannel

2 connection PL3-connection linkChannel





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Link Conformance

ISO/IEC 11801 and (BS) EN 50173-1

Channel

ANSI/TIA/EIA-568-BDesign independent

Fixed limitDesign independent

Fixed limit

Permanent Link Design dependentFixed maximum implementation limit

Design independentFixed limit

CP Link No specified limitsDesign dependentFixed maximum implementation limit

Complex requirement-

Difficult to verify with TE

Simple requirement-

Inadequate QA


PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO

MUTOA/TOPermanent link





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Length-Dependent Link Parameters

ISO/IEC 11801 (2002) and (BS) EN 50173-1

PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO


n = number of connections within the link, L(m) = LFC + LCP where LFC = length of fixed cable, LCP = length of CP cord.

DEF

(L/100)*(1,9108*sqrt(f)+0,0222*f+0,2/sqrt(f))+n*0,04*sqrt(f), 4dB min.(L/100)*(1,82*sqrt(f)+0,0169*f+0,25/sqrt(f))+n*0,02*sqrt(f), 4dB min.(L/100)*(1,80*sqrt(f)+0,010*f+0,2/sqrt(f))+n*0,02*sqrt(f), 4dB min.

1 ≤≤≤≤ f ≤≤≤≤ 1001 ≤≤≤≤ f ≤≤≤≤ 2501 ≤≤≤≤ f ≤≤≤≤ 600

Class Frequency Maximum link insertion loss (dB)

n = number of connections within the link and Y = attenuation premium for the CP cable/cordL(m) = LFC+ LCP*Y where LFC = length of fixed cable and LCP = length of CP cord

D E FClass Max. link loop resistance (ΩΩΩΩ)

(L/100)*22 + n*0,4

Max. link delay skew (µµµµs)(L/100)*0,025 + n*0,00125

Max. link propagation delay (µµµµs)(L/100)*(0,534 +0,036/sqrt(f)) + n*0,0025D E F

D E F

Frequencyd.c

Class

Class





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Margin-based Compliance


PPCC PP CC


PP

CP

CC WA

Maximum lengths, X and Y to be defined by designer

Where the maximum lengths of channel components to be added to the link are known andspecified for the cabling, the margin between the measured value of ……. and the channel limitsshall exceed the total ……. of:

• the specified maximum lengths of cords;• the specified maximum lengths of additional cables/connections. Margin statements

indicate that onlyattenuation/insertion lossand delay skew need to

be checked.

ISO/IEC 11801 (2002) and (BS) EN 50173-1

MUTOA/TO





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Margin Calculation

ISO/IEC 11801 (2002) and (BS) EN 50173-1

The highest measured insertion loss/attenuation occurs atthe highest measurement frequency. The test equipmentwill have to report the margin between the measured valueand the channel limit at:• 100 MHz for Class D compliance;• 250 MHz for Class E compliance.

The installer has to check that the margin is acceptable.

Class EClass DConnection 0,2 dB 0,32 dBSolid cable 0,21 dB/m 0,33 dB/m

Stranded cable0,25 dB/m 0,40 dB/mUnscreened cable0,32 dB/m 0,50 dB/mScreened cable

INSERTION LOSS/ATTENUATION

DELAY SKEW

Delay skew is constant with frequency The installer has to check that the margin is acceptable.

Class EClass DConnection 1,25 ns

Cable 0,45 ns/m





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Testing of Optical Fibre Cabling

Optical Fibre ComponentsChannel Attenuation/Insertion Loss

Cabling Attenuation Test MethodsLight Source - Power Meter (LSPM) Measurement

MMF Mandrel Wrap

Link Attenuation/Insertion Loss

MMF Launch Conditions

MMF Test Equipment and Method Development

Design Standard Differences - Optical Fibre Cabling

Acceptance Test ApproachesAcceptance Test Regimes

OTDR Test Methods





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Design Standard Differences - OF Cabling

(BS) EN 50173-1ISO/IEC 11801 (2002)ANSI/TIA/EIA-568-BIssue

OF Cables Not included Types Categories

TO Delivery Cat.3 + Cat 5e/MMF Class D + Class D/OF

Quality Planning Not included ISO/IEC 14763-1 (BS) EN 50174-1

Limits for all linksLink verification No CP Link limits

Design-dependent limitsPL Link verification Fixed limits

INSTALLED CABLING

STRUCTURE

Classes OF-300, OF-500 and OF-2000OF Channels Not included

OF CABLING

FUNDAMENTAL

Horizontal and backbonePermanent Link (PL) Horizontal cabling only

Horizontal length 90/100 metres No limits





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OF Components - ANSI/TIA/EIA-568-B.3

IP

MultimodeOF

Singlemode OF

850nm1300nm

Attenuation coefficient(dBkm-1 max)

1,01,0

850nm1300nm

Modal bandwidth OFL (MHz.km min)

500500

1500500

850nm1300nm

Modal bandwidth LL (MHz.km min)

--

2000-

850nm1300nm

Propagation delay (ns.m-1 max) 5

1310nm1550nm

1310nm1550nm 5

Wavelength Wavelength50/125

Mating dimensions and gauging of TO connection Not specified

ConnectionMultimode OF Singlemode OF

AllAttenuation (dB max)

Return loss (dB min)Splice

100%<0,75 100%<0,3

Wavelength

100%<0,75 100%<0,3

All 20dB NA 26dB NAConnection Splice

ANSI/TIA/EIA-568-B.3 and B.3.1

OPTICAL FIBRE CABLES

OPTICAL FIBRE CONNECTING HARDWARE

3,51,5

5

50/12562.5/125

160500

--

5

OP0,50,5





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OF Components - ISO/IEC and (BS) EN

OM3 OS1

Multimode OF Singlemode OF

850nm1300nm

Attenuation coefficient(dBkm-1 max)

1,01,0

850nm1300nm

Modal bandwidth OFL (MHz.km min)

1500500

850nm1300nm

Modal bandwidth LL (MHz.km min)

2000-

50/125 or 62.5/125

850nm1300nm

Propagation delay (ns.m-1 max) 5

1310nm1550nm

1310nm1550nm 5

Wavelength Wavelength50/125

Mating dimensions and gauging of TO connection IEC 60874-19-1 SC Duplex

ConnectionMultimode OF Singlemode OF

AllAttenuation (dB max)

Return loss (dB min)Splice

95%<0,5100%<0,75 100%<0,3

Wavelength

95%<0,5100%<0,75 100%<0,3

All 20dB NA 35dB NAConnection Splice

ISO/IEC 11801 (2002) and (BS) EN 50173-1

OPTICAL FIBRE CABLES

OPTICAL FIBRE CONNECTING HARDWARE

3,51,5

Interoperability is not guaranteedfor other types of interface

OM1 OM2

200500

--

5

500500

--

5





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Channel Attenuation/Insertion Loss

ISO/IEC 11801 (2002) and (BS) EN 50173-1

OF-300OF-500OF-2000

Class

850nm 1300nm 1310nm 1550nmMultimode Singlemode

2,55 1,95 1,80 1,803,25 2,25 2,00 2,008,50 4,50 3,50 3,50

Attenuation (dB max.)

Length (m max.)

3005002000


Attenuation (dB max.)

Length (m max.)

Horizontalw/o Consolidation Point

850nm1300nm 100

2,0

Horizontalwith Consolidation Point

850nm1300nm 2,75

BackboneMMF

850nm1300nm

0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

BackboneIP SMF

1310nm1550nm

0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S

BackboneOP SMF

1310nm1550nm

0.0005L + 0.75C + 0.3S0.0005L + 0.75C + 0.3S





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Link Attenuation/Insertion Loss

ANSI/TIA/EIA-568-B.1Channel Fixed limit

Link Design dependent


PP PP

CP link PP

PP

CP

CPPP

MUTOA/TO


Fixed limit and design dependent

MMF850nm1300nm

0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

IP SMF1310nm1550nm

0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S

OP SMF1310nm1550nm

0.0005L + 0.75C + 0.3S0.0005L + 0.75C + 0.3S

OMX 0.0035L + 0.75C + 0.3S0.0015L + 0.75C + 0.3S

OS1 0.001L + 0.75C + 0.3S0.001L + 0.75C + 0.3S

ISO/IEC 11801 and (BS) EN 50173-1





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Cabling Attenuation Test Methods

(BS) EN 50346

IEC61280-4-2

IEC 61280-4-1(underway)

ANSI/TIA/EIA-526-14-A

ANSI/TIA/EIA-526-7

Fibre optic communication subsystem basic test procedures - Part 4-2:Fibre optic cable plant - Single-mode fibre optic cable plant attenuation

OFSTP-14A Optical Power Loss Measurement of Installed MultimodeFiber Cable Plant (ANSI/TIA/EIA-526-14A-98)

OFSTP-7 Measurement of Optical Power Loss of Installed Single-ModeFiber Cable Plant (ANSI/TIA/EIA-526-7-98)

Information technology - Cabling installation-Testing of installed cabling

Fibre optic communication subsystem basic test procedures - Part 4-1:Fibre optic cable plant - Multimode fibre optic cable plant attenuation

ISO/IEC TR314763-3






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Light Source - Power Meter Measurement

Reference measurement P0

LS S PMD

Launchcord

LS S

Launch cord Test measurement P1

PMD

Tail cordLink undertest

LINK MEASUREMENT METHOD USING LSPM

Measured loss

LS S

Launch cord Test measurement P1

PMD

Tail cordLink undertest

LS S

Launch cord Referencemeasurement P0

PMD

Tail cordDummy cord

Measuredloss

CHANNEL MEASUREMENT METHOD USING LSPM

SINGLE DIRECTION

ONLY REQUIRED

SINGLE DIRECTION

ONLY REQUIRED





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MMF Launch Conditions

Launch condition containsunwanted cladding modes.

Test measurement reads HIGH.

Launch conditiondoes not contain all modes.

Test measurement reads LOW.

Launch condition reflectsinstalled cable transmission

Test measurement readsCORRECTLY.

Launch condition containshigh order modes

(not transmitted in installed cable).Test measurement reads HIGH.





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MMF Mandrel Wrap

5 NON-OVERLAPPING TURNS

D (mm)

62.5/125 17

SMF N.A.

62.5/125 20CableSCOF

D

50/125 1850/125 15Cable

SCOF

Source: (BS) EN 50346, IEC 61300-3-4, IEC 61300-3-34

ISO/IEC 11801 (2002) AND (BS) EN 50173-1 ANSI/TIA/EIA-568-B.1

62.5/125 17

SMF N.A.

62.5/125 20CableSCOF

D

50/125 2550/125 22Cable

SCOF





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Test Equipment and Method Development

Light source Power meterGrade 1• simplex

• single wavelength

Light source Power meterGrade 2• simplex

• dual wavelength

Power meterGrade 3• simplex

• auto dual wavelength

Light source Power meterGrade 4• duplex

• dual wavelength

Light source Power meterGrade 5• duplex

• auto dual wavelength

λλλλ1

λλλλ1

λλλλ2 λλλλ1/λλλλ2

λλλλ1/λλλλ2

λλλλ1/λλλλ2

λλλλ1/λλλλ2

λλλλ1

λλλλ2

Component- based

Component- based

System-based

System-based

System-based

Power meter

Power meter

Light source

Light source

Light source

INSTALLATION

TESTING OF INSTALLED CABLING:ATTENUATION USING LSPM EQUIPMENT2000-4-2-1

TSD





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MMF Link Reference Test - I

Link undertest

Test measurementP12

Measured loss

Test measurementP11

Lossx = P1x - P0x (dB)

Launch Cord B



Link

Launch Cord A

Launch Cord A

Launch Cord BTail Cord B

Tail Cord B

SINGLE DIRECTION

ONLY REQUIRED





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MMF Link Reference Test - II

Testmeasurement

P12

StandardDummy cord

Measured loss

TestmeasurementP11

Lossx = P1x - P0x (dB) Channeladaptioncord(s)


CombinationCord AReference measurement P02

x1

x1

y1

y1

y2

y2

x2

x2

CombinationCord B

Channeladaptioncord(s)

Link

Link undertest

SINGLE DIRECTION

ONLY REQUIRED





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MMF Link Reference Test - III

Testmeasurement

P12

StandardDummy cord

Measured loss

TestmeasurementP11

Lossx = P1x - P0x (dB) Channeladaptioncord(s)


CombinationCord A

CombinationCord B

Link undertest

x1 x2y1 y2

Channeladaptioncord(s)

Link


SINGLE DIRECTION

ONLY REQUIRED





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MMF Channel Reference Test - I

Testmeasurement

P12

Dummy cord

Measured loss

TestmeasurementP11

Lossx = P1x - P0x (dB) ChannelCord(s)

ChannelCombinationCord A

Channel

x1

x1

y1

y1

y2

y2

x2

x2

ChannelCombination

Cord B

Channelcord(s)

Channel under test



SINGLE DIRECTION

ONLY REQUIRED





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MMF Channel Reference Test - II

Testmeasurement

P12

StandardDummy cord

Measured loss

TestmeasurementP11

Lossx = P1x - P0x (dB) Channelcord(s)

Channel

Channel under test

x1 x2y1 y2

Channelcord(s)

ChannelCombinationCord A

ChannelCombination

Cord BReference measurement P02


SINGLE DIRECTION

ONLY REQUIRED





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Acceptance Test Approaches

APPLICATION

CABLING

COMPONENT

x dB z dBy dBMaximum values

x dB z dBy dB

< x dB < z dB< y dB

Link < (x + y + z) dBActual value

Actual value

Maximum values

1610

100

50/125(OM2)

62.5/125(OM1)

850 nm

1300 nm

6.812.58.013.06.011.0

1000 3.562.6850 nm1000 2.352.351300 nm10000 1.801.60850 nm 2.59

Max. Attenuation/Insertion Loss(dB)

50/125(OM3)

Token Ring4 8.013.0

EthernetEthernetEthernetEthernet

EthernetToken Ring

10000 1.96CWDM/1300Ethernet

Mb/s Network λλλλ





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Acceptance Test Regimes

TEST REGIME TEST TOOLAPPROACHITEM UNDER TEST

OTDR

LSPMCABLING

COMPONENT LSPM

COMPONENTCableComponent Acceptance

Cord

LinkChannel

Legacy Cabling Acceptance

LSPMCABLING

COMPONENT OTDR

Installed Cabling Acceptance

LinkChannel

LSPMCABLING

COMPONENT OTDR

Fault DiagnosisLinks and channels COMPONENT OTDR

Partial CompletionTests Link COMPONENT OTDR

APPLICATION OTDRChannels





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OTDR Test Methods

INSTALLATION

TESTING OF INSTALLED CABLING:ATTENUATION USING OTDR EQUIPMENT2000-4-2-2

TSD

(BS) EN 50346

(BS) EN61280-4-2

Fibre optic communication subsystem basic test procedures - Part 4-2:Fibre optic cable plant - Single-mode fibre optic cable plant attenuation

Information technology - Cabling installation-Testing of installed cabling

ISO/IEC TR314763-3


UPGRADE





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Quality Planning

Statistical ModellingMeasurement Error

The Real World

Prepare for FailureTest Result Management

StatisticsBalanced Cabling

Multi-Segment Cabling

Optical Fibre CablingNon-PASS Potential

Non-PASS Potential





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CONFORMANCEto

ISO/IEC 11801 Ed.2(BS) EN 50173 Ed.2

Structure



Statistics

Design



ChannelPerformance

Balanced cabling onlyISO/IEC 11801 (2002)

All cabling(BS) EN 50173-1

The treatment of measured results that fail to meet the requirements …or lie within the relevant measurement accuracy … shall be clearly

documented within a quality plan as described in ...







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CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Structure



Balanced Cabling

Design



ChannelPerformance



Return loss reductions• impedance mismatches between connection components

• impedance mismatches between cables• “standing wave” (quarter wavelength) effects

• NEXT/PSNEXT reductions• close proximity of multiple connections

Real risk of failure using compliant components

Real risk of marginal results using compliant components





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Multi-segment Cabling - I


due to CP cord/cable



BUT risk of marginal resultdue to CP cord/cable


ISO/IEC 11801 (2002) and (BS) EN 50173-1

PP

Permanent link

CP

MUTOA/TO

PP CP

Channel

PPCC PP CC

MUTOA/TO


due to CP cord/cables, patch and equipment cords



BUT risk of marginal result due to CP cord/cables, patch and equipment cords


ISO/IEC 11801 (2002) and (BS) EN 50173-1





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Multi-segment Cabling - II

DEF

-20*log(10^(-0,05*(63,8-20*log(f)))+n*10^(-0,05*(75,1-20*log(f)))), 60 dB max.-20*log(10^(-0,05*(67,8-20*log (f)))+n*10^(-0,05*(83,1-20*log(f)))), 65 dB max.-20*log(10^(-0,05*(94,0-20*log (f)))+n*10^(-0,05*(90,0-15*log(f)))), 65 dB max.

1 ≤≤≤≤ f ≤≤≤≤ 1001 ≤≤≤≤ f ≤≤≤≤ 2501 ≤≤≤≤ f ≤≤≤≤ 600

Class Frequency Minimum channel ELFEXT (dB)

30

35

40

45

50

55

60

65

70


dB

ELFEXT

Class F2-connection link3 connection PLChannel

Class E2-connection link3 connection PLChannel

Class D2-connection link3 connection PL

Channel

n = 4

Minimum channel ELFEXT/PSELFEXT (dB)ISO/IEC, (BS) EN and ANSI/TIA/EIA

n = 3

Minimum PL ELFEXT/PSELFEXT (dB)ANSI/TIA/EIA-568-B.1

n = 2 or 3

Minimum link ELFEXT/PSELFEXT (dB)ISO/IEC 11801 (2002) and (BS) EN 50173-1

5e6

Category





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Non-PASS Potential

BALANCED CABLING MANAGEMENT REQUIRED2-connection links

NEXT


Short length risk

3-connection links

ANSI/TIA/EIA-568-B.1ISO/IEC 11801 (2002)

(BS) EN 50173-1

Short CP cable/cord

ELFEXTInadequate requirement

Channels

ANSI/TIA/EIA-568-B.1ISO/IEC 11801 (2002)

(BS) EN 50173-1

Length90 metre limit

LengthANSI/TIA/EIA/-568-B.1 90 metre limit

Standing wave effects

Return Loss

NEXTShort CP cable/cord

Standing wave effectsReturn Loss

NEXTInadequate cord performance

Inadequate cord performanceLengthANSI/TIA/EIA/-568-B.1 90 metre limit

Adopt approach from ISO/IEC 11801 (2002), (BS) EN 50173-1

or agree minimum length

Adopt approach from ISO/IEC 11801 (2002) , (BS) EN 50173-1

Be aware


Be aware - use longer CP cable/cord

Be aware - make test cords available

Be aware - make test cords available






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CONFORMANCEto

ISO/IEC 11801 (2002)(BS) EN 50173-1

Structure



Optical Fibre Cabling

Design



ChannelPerformance



Measurement error/short length syndrome Real risk of failure using compliant components





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Statistical Modelling - I

2-connectionChannel

99.50% < 1.07 dB

1.07 = 0.71 x 1.5





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Statistical Modelling - II

4-connectionChannel

99.50% < 1.73 dB

1.73 = 0.58 x 3.0





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Measurement Error

100 200 300 400 500 600 700 800 900 1000

5.0dB

4.0dB

3.0dB

2.0dB

1.0dB

-1.0dBChannel length (m)

Channel

Connection: 0.75 dB max., 0.5 dB statistically, 0.0 dB feasiblyCable: 3.5 dBkm-1 max., 3.0 dBkm-1 typically

Theoretical worst caseTypical worst case inc. METypical worst case

Best case inc. MEBest case





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The Real World

-0.01

0

0.01

0.02

0.03

0.04

0.05

0.06

-0.5 0 0.5 1 1.5 2Link attenuation (dB)

% o

f res

ults

Courtesy of The Cabling Partnership3200 results, Data Centre





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Non-PASS Potential

OPTICAL FIBRE CABLING MANAGEMENT REQUIREDLinks

Attenuation/Insertion LossHorizontalISO/IEC 11801 (2002)

(BS) EN 50173-1 Short link effects

Channels

Be aware

Attenuation/Insertion LossBackboneANSI/TIA/EIA-568-B.1ISO/IEC 11801 (2002)

(BS) EN 50173-1Short link effects Be aware

Attenuation/Insertion LossISO/IEC 11801 (2002)

(BS) EN 50173-1 OF-300: Short link effects Be aware

Attenuation/Insertion LossBackbone

ANSI/TIA/EIA-568-B.1 Short link effects Be aware





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Prepare for Failure

E = label indicating equipment connectionA

E Cord I.D.

CORDS

A

B

Cord I.D.

How is each test configuration identified?

• test equipment ID?• local (launch) test cord ID?• remote (tail) test cord ID?

• dummy cord ID?• channel adaption cords ID?

How is each test result identified?

• operator?• date and time?

• test ID?

TEST CONFIGURATION RECORD

MG-a-b-c-d

End E to equipmentEnd E to equipment

LocalRemote

End A to localDummyEnd A to test cordsCA

TEST RECORD

InitialsOperator

Port ID/cable ID?ID

E

E

TEST CORD CONNECTION RULES





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Test Result Management

Priorscope II (200x or 400 x)Fitted with appropriate filters

for Class 1M Hazard

Fluke FiberInspector(free-standing or

fitted to OTDR OF-500)

• test cord usage?• test equipment calibration status?

TEST SYSTEM MANAGEMENT

re-testing with different test leads?• the use of a statistical approach?

• simple acceptance?

TREATMENT OF MARGINAL/FAILED RESULTS

2 test leads = 2 tests3 test leads = 6 tests

4 test leads = 12 tests

TEST SYSTEM CONTAMINATION

Priorscope (200x or 400 x)Fitted with appropriate filters

for Class 1M Hazard





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e-Tools

Full Cost OptionsThe Hyperlink Environment

e-Tools - an “Off-the-Shelf” Solution

The Infrastructure MarketThe Installer’s Dream

e-Tools?Tool TypesFreeware

Project TrackingSales Opportunities





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The Infrastructure Market

STRUCTURED CABLING

More complex design rules

Increasingly “sensitive” installation practices

Greater risk of “marginal” and “fail” test results

Enhanced risk to network reliability

Lower investment in training

Increased risk of litigation

Demand for “User Education”

Heightened need for “channel” design

Greater focus on project cost management

Increased levels of competition

Clearer demarcation definitions required

Growing pressure on the knowledge base

Reduced “performance overhead”

Higher data rates

Low commercial margins

Increased regulationvia standards and legislation

Reduced interoperability of connections





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The Infrastructure Market

STRUCTURED CABLING

Reduced “performance overhead”

Higher data rates

More complex design rulesIncreasingly “sensitive” installation practices

Greater risk of “marginal” and “fail” test results

Enhanced risk to network reliability

Low commercial margins Lower investment in training

Increased regulationvia standards and legislation Increased risk of litigation

Reduced interoperability of connections

Demand for “User Education” Heightened need for “channel” design

Greater focus on project cost management

Increased levels of competition

Clearer demarcation definitions required NEW ENTRANTS!!!!!!!!!!

Growing pressure on the knowledge base





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The Installer’s Dream

Control costs

Eliminate disputesAvoid conflict

Reduce stress

Die happy!!!!

BE CLEAR

Minimise re-work

• what is really required?• who does what?• how it is to be done?

Educated clients

Educated workers





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e-Tools?

The CablingPartnershipϕ Project Browser

The CablingPartnershipϕ Company IntraNet

“e-Tools” are an integrated multi-platform documentation system

Project Documentation Architects Drawings Cabling Schematics Test Results

Connectivity Data

Company Data Policies Method Statements





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Tool Types

INTRANET BROWSER

CDwith

BROWSERINTERFACE

CDwith

INTERNETINTERFACE

TEST RESULT VIEWERS

DRAWING VIEWERS

PRESENTATION VIEWERSPHOTOGRAPH MANAGERS

STANDARDS AND SUPPORT DOCUMENTSCOST MODELS

WEB DEVELOPMENT PACKAGE• use features with widest Browser support

DRAWING PACKAGES• use dimensional limits to best effect

TEMPLATE DEFINITION• maximise flexibility while controlling format





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Freeware

Scope

TEST RESULT VIEWERS

DRAWING VIEWERS

Microtest Wavetek

Agilent GNNettestFlukeEXFOActernaAnritsu

Volo View Express

PRESENTATION VIEWERSPowerpoint Viewer

PHOTOGRAPH MANAGERSMultiple Options

STANDARDS AND SUPPORT DOCUMENTSFIA IEEE

ISO/IEC

For internal use only

BS US TIA

COST MODELSFIA





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Full Cost Options

TEST RESULT VIEWERSGNNettestAnritsu

DRAWING VIEWERSAutoCAD Products





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Hyperlink Environment

HEADER 1

Sub-MENUMENU

FOOTER

DATA

HEADER 2

Hyperlinks to all available data• test results• drawings

• documents and photographs• external web-sites

• e-mail





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Project Tracking

INFORMATION FLOW

INFORMATION MAINTENANCE

INTRANET BROWSER TECHNOLOGY

INTERNETWeb publisher





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Sales Opportunities

INFORMATION FLOW

INFORMATION MAINTENANCE

INTRANET BROWSER TECHNOLOGY

CDCD Writer





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e-Tools: an “Off-the-Shelf” Solution

COMPLIANCEKERNEL

STANDARDSKERNEL

PROJECTDOCUMENTATION

INTERNAL POLICIES

e-Tools

MAINTENANCEAND

SUPPORT

TRAINING





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