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Optical Network Curriculum
Development Section
ISSUE
OTA105205 OptiX OSN
1500/2500/3500 Equipment
Commissioning
1.0
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Review
Why do we need to test the
equipment?
What type of instrument do we need?
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Objectives
Carry out the hardware and
software commissioning of each
NE successfully
Connect the NEs topology andconduct the system commissioning
Upon completion of this course,you will be able to:
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Course Contents
Chapter 1 prepare for commisssioning
Chapter 2 Single Station Commissioning
Chapter 3 System Commissioning
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prepare for commissioning
Prepare tools and instruments
Understand of engineering document: networking and service
Confirm external environment: Power, DDF, ODF and Clock
Install T2000LCT
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Course Contents
Chapter 1 prepare for commissioning
Chapter 2 Single Station Commissioning
Chapter 3 System Commissioning
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Chapter 1 Single Station Commissioning
Single Station Hardware Check
Cabinet Power ON Test
The Sub-rack Power ON Test
Configuration and Commissioning
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Installation Check
Cabinet installation
Multiple cabinets must be aligned
Order wire, fiber extractors and wrist straps are not lost
No other unrelated objects
Sub-rack installation
Grounding of the sub-rack
No screws, broken & bended pins on the backplane etc
Cabling
Power supply cables, grounding cables, external alarms wiring
and pigtail fibers
Note: grounding is according to the SDH recommendation
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Power Box
NEG2(-)
INPUT
RTN2(+)RTN1(+) NEG1(-)
SW3/20ASW1/20A SW2/20A SW4/20ASW1/20A SW3/20ASW2/20A SW4/20A
1. GND 2. PGND 3. RTN1(+)
4. NEG1(-) 5. RTN2(+) 6. NEG2(-)
7. INPUT CABLE 8. OUTPUT CABLE(LEFT) 9. OUTPUT CABLE(RIGHT)
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Power Box Test
Power terminals resistance values (Note: external powercable not connected, because there is not main power switch
on the power panel)
Switch OFF: the resistance between NEG1(-)/NEG2(-) and
RTN1(+)/RTN2(+)/PGND should be infinity;
Switch ON: the resistance between NEG1(-)/NEG2(-) and
RTN1(+)/RTN2(+)/PGND should be tens K,if the resistance
less than 20, short circuit happens and must be eliminated;
Check the metal piece between (BGND &PGND) terminals
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Cable Check
All cable including power cable, GND cable, relay cable and
tail fiber should be nicely put in order and be labeled correctly)
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Boards Appearance Check
You must affirm:
All bolts on top and bottom of boards should be tightened and not falling
off.
The metal reeds on the two sides of boards should not be warped
Spans of GXCS/CXL1/4/16 should be buckled (the jiggle switch should be
closed)
All boards are screwed well and plugged to the end
Anytime when in contact with boards, you should wear anti-static wriststrap or anti-static glove
The RJ-45 interface on AUX should not be mis-plugged
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Dont Forget!
Engineering document single station part, must
be done for each sites
Be sure all power supply switches are OFF
during the hardware check
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Chapter 1 Single Station Commissioning
Single Station Hardware Check
Cabinet Power on Test
The Sub-rack Power on Test
Configuration and Commissioning
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Power Requirements
Power supply fuse capacity
Single OptiX OSN 1500 sub-rack = 10 A
Single OptiX OSN 2500 sub-rack = 15 A
Single OptiX OSN 3500 sub-rack = 20 A
The requirement of expansion capabilities should be considered.
Power supply output voltage
Optimum value of -48V20% (or -60V20%)
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Cabinet Power is ON Now!
Power cable and GND cable are rightly connected into the
cabinet
Measure the voltage between NEG1(-)/NEG2(-) and
RTN1(+)/RTN2(+)/PGND,which should be in scope of-4820%V(or -60V20%)
Measure the voltage between RTN1(+)/RTN2(+) and PGND,
which should be less than 0.5V
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Questions
Do we need to test the voltage
between the power terminal posts
after powering?
What is the value of the resistance
between BGNDsand PGND?
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Chapter 1 Single Station Commissioning
Single Station Hardware Check
Cabinet Power on Test
The Sub-rack Power on Test
Configuration and Commissioning
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The Sub-rack Power on Test
Check the connection from the power cables to the two PIU
boards correct and tightened
Turn ON the power switches at the top of rack, in order tosupply power to the subrack
Test the function of acoustic alarm and indicators
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Sub-rack Power is ON Now!-1
Check the running of the fans
Observe the board indicators
it should be normal after 2 ~3 min
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Sub-rack Power is ON Now!-2
Did you test the ASCC ALMCUT switch?
Short press
Long press
OptiX OSN 3500ASCC, OptiX OSN 1500/2500CXL1/4/16
Test ASCC reset button
Test alarms externally connected
Check the order-wire
Insert the connector for order-wire into interface phone on AUX/SEI
board
Set the ringing switch to ON
Set dial mode to T
Confirm order-wire has dialing tone when the talk key pressed
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Chapter 1 Single Station Commissioning
Single Station Hardware Check
Cabinet Power on Test
The Sub-rack Power on Test
Configuration and Commissioning
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Connection Scheme & Testing Command File
A
X
C
S
FAN
Fibre cable area Fibre cable area
Sub-rack
A
X
C
S
S
L
O
1
S
L
1
6
S
L
6
4
S
L
6
4
IN OUT
SDH analyzer
IN
OUT
SL
1
6
AU
X
/
S
A
P PC
COM/ETH
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Attention!
With the network cable (cross/straight), computer is connected to:
COMof AUX/SAP: the PC IP address should be 192.168.0.X with
net mask of 255.255.255.0, X refers to board slot number
ETHof AUX/SAP: the PC IP address should be 129.9.X.X with net
mask of 255.255.0.0
Set ID (in scope of 1~49136)IP and subnet mask (if necessary)
Check the software compatibility (FPGA, board software, BIOS
and host software)
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Test of the service bus
Configure NEs data, including boards, service (in series), protection
The service bus test must cover all card plugging slots and VC4 as possible
Test the service bus
connect the instrument to the NE
Monitor the alarms and performance events with T2000none of alarm and error code, pointer adjustment happens at least 1 hour
If not, try again 2
M
TX
RX
TX RX
2M
Error
Code
Instrument
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Bit Errors Test
Test the working and protection channels when
The configuration is 2-fiber bidirectional MSP
The configuration is 4-fiber bidirectional MSP
The configuration is 1+1 or 1:N linear MSP
The configuration is 2-fiber unidirectional SNCP
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Test of the Interface Indexes
Measure the transmitted optical
Measure the received optical, if the system is connected
Check the attenuation of line fiber and trail fiber(
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Test of the cable and fiber
Test electrical cable in 100% inerrability
Two states of normal and interrupted
All E1/T1/E3/T3/E4/155M interfaces
Test trail fiber in 100% inerrability The optical power on the ODF frame (normal and interrupted)
Loopback the optical port on the frame
1. R-LOS ends
2. Close the laser, R-LOS happens
3. Open the laser, R-LOS ends
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Test LAN Switch Path
Query the software version of boards:
All boards should be found
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Test TPS
For OSN 3500:
E1/T1 TPS(1:8):
slot 1 protects slots 2~5 and slots 13~16
E3/DS3/E4/STM-1(e) TPS(2 groups of 1:3):
slot 2 protects slots 3~5
slot 16 protects slots 13~15
For OSN 2500:
E1/T1 TPS(1:4):
slot 5 protects slots 6~7 and slots 12~13
E3/DS3/E4/STM-1 TPS(2 groups of 1:3):
slot 6 protects slot 7
slot 13 protects slot 12
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Test TPS
Test step:
1. Configure boards, service and TPS protection group, PRI and WTR
2. Connect electrical interfaces in series (T1R2, T2R3T31R32)
3. Connect 2M instrument with R1 and T32
4. Pull out and hard reset the active board
5. TPS should happen (TPS-ALM and ACT indicator)
6. Restore TPS
7. Test priority TPS and cancel one by one
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Test TPS
EU08
R2
T2
R3
T3
R4
T4
R1
T1
R6
T6
R7
T7
R8
T8
R5
T5
Send by SDH analyzer
Received by SDH analyzer
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Test active/standby GXCSA and SCC switch
Test steps (For OSN 3500):
1. Configure boards and services, MSP
2. Connect equipment with instrument
3. GXSC/SCC switch(3 methods):
Issuing switch command by T2000
Hard reset active board by T2000
Pull out active board (jiggle switch)
4. VC4 services and clock should be good,VC12 services are momently broken
5. Test MSP switch. It should succeed
6. Early MSP switches, late active/standby SCC. Service should be protected
Notice:
The interval of active/standby switch should be done after 1 min at least
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Test active/standby CXL1/4/16 switch
Test steps (For OSN 2500):
1. Configure boards and services, MSP
2. Connect equipment with instrument
3. Active/standby switch(3 methods):
Issuing switch command by T2000
Hard reset active board by T2000
Pull out active board (jiggle switch)
4. VC4 services and clock should be good,VC12 services are momently broken
5. Test MSP switch. It should succeed
6. Early MSP switches, late active/standby switch. Service should be protected
Notice:
The interval of active/standby switch should be done after 1 min at least
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Final Work to Do!
Correctly configure the equipment according to user's need
Confirm services and alarm
Backup the FDB0 and FDB1
Test ECC function
Single station power off test (for 10 minutes)
What else?
ASCC ALMCUT is correctly set
Order wire handset switch is ON
All hardware and software loop backs are removed
All single station information are recorded (Engineering
Documents)
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Course Contents
Chapter 1 prepare for commissioning
Chapter 2 Single Station Commissioning
Chapter 3 System Commissioning
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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Request of System commissioning
1. Connect separate NEs and form networking
2. Test services and confirm configuration correctness
3. Test the networking function of ECC, order-wire and protection
4. Test the long-term quality of the network
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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Are the System Fibers Connected well?
Pigtails labeling
The value of the received optical power (higher than the receiver
sensitivity 3dB and less than the overload optical power 5dB)
Fibers connection based on the actual network topology structure
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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What is ECC
Login to the all network elements
Automatic routing of the ECC
Whether the network elements connected to each other with the
shortest ECC route
Long/Short ECC route test
ECC pass through test
Ethernet expanding ECC between two NEs (if itsrequired)
Automatic
Manual
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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Send Your Actual Configuration
Check the correctness of each NEsconfiguration
Alarms checking (no abnormal alarms)
End-to-end instrument test (normal and interrupted)
1. Compare instruments
2. loopback
NE
NE
NE
NESDH analyzer
Loop-back
of the
SDH Port
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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Protection Switch Test
The purpose is to test the reliability of the equipment and services
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Test switch of 2 fibers MSP ring
Query the switch state, when the fiber normal
1. The APS protocol should be started
2. The switch state should be normal
Test switch
1. Connect the equipment with the instrument
2. Loopback the services
3. Pull out the fiber or close the laser, switch should successfully happen
S SII
P
PP P
P
P
EB
C D
A
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Test switch of 2 fibers MSP ring
The switch states should be correct
Switch completion in 50ms
After switching, errors should not happen
Each NE should report APS-INDI
4. Test restoring
5. Test switch for each section repeatedly
6. Test switch and restore when power OFF
Tests for other functions1. Test force switch and clear function
2. Test switch time
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Test switch of other MSP
4 fiber MSP ring
Same 2 fiber MSP ring, but
1. Test the section switch
2. Test the ring switch
1+1/1:n line MSP chain
Same 2 fiber MSP ring, but
1. Test switch of each section in turn
2. Test restoration, if necessary
3. Avoid to interrupt the ECC route
4. Test force switch and clear function, etc
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Test switch of SNCP ring
Query the switch state, when the fiber normal
Test switch
1. Connect the equipment with the instrument
2. Loopback the services
3. Pull out the fiber or close the laser, switch should successfully happen
The switch state should be right
Services is not interrupted
Test restoration
Test switch of each section repeatedly
Delay time=0
EB
C D
A
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Test switch of VP ring
same as the previous case
Notice:
1. Secondary switch and errors should happen
2. Can restore normally
3. Query switch state
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
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Test clock protection
Clock protection should be started
Test by fiber broken
1. Successfully switch, and trace the right clock source
2. SYNC-LOSS is normal and LTI is abnormal
3. After switching, pointer adjustment should not happen
Test restoration
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Observe performance of clock track
If clock source is not configured, when normal:
Test by breaking fiber
1. Clock mode is tracing and does not switch to Hold-Over or to free-run
2. Synchronous source does not switch
3. Pointer count adjustment is less than 6 for 24 hours
Test other target
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Observe performance and alarm of full networking
Request:
No error in 24 hours
less than 6 times pointer adjustment counts in 24 hours
Notice:
Identical data and time of T2000 and each NE
Using performance monitoring of 15m and 24h
O i ?
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What Are The Other Functions?
Electrical protection switching (EPS)
AXCS active/standby switchover test
Clock protection test
Network management system test
Whole network order wire test
Software compatibilityThe remote maintenance test
Ch 2 S C i i i
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Chapter 2 System Commissioning
Request of System commissioning
Fiber connection
ECC
Service testing
Network protection function test
Other functions test
Alarm and performance monitoring test
S Th N k El P f
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Set The Network Elements Performance
1. The receivable J1&C2 bytes
and instrument should have thesame setting when performing
performance monitoring
2. Date and time of each network
element should be set
3.Dont forget to start 15m and
24h performance monitoring
Bit E T t
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Bit Errors Test
Service Connection/Disconnection Test ensures all service
connections are correct
Multiple signals (155M/622M/2.5G) can be connected in
series during the test
The bit error test of the working channel should be done for
24 hours. Then, the protection channel for 12 hour
Opening the performance monitoring of T2000 also helps to
locate faults
S d Y A t l C fi ti
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Send Your Actual Configuration
Check the correctness of each NEsconfiguration
Alarms checking (no abnormal alarms)
End-to-end instrument test
NE
NE
NE
NESDH analyzer
Loop-backof the
SDH Port
S
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Summary
The need for single and system
commissioning
Items that should be covered during thecommissioning
Self-healing function is very important
Alarm performance monitoring is the key for
successful commissioning
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