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Orion Telecom Networks Inc. 2005 VCL-LD™ VCL-LD™ E1, Digital Voice Compression Equipment E1, Digital Voice Compression Equipment (Digital Circuit Multiplication (Digital Circuit Multiplication Equipment - DCME) Equipment - DCME) Slide 1 Updated : January 1st, 2005 16810, Avenue of Fountains, Suite # 108, Fountain Hills, AZ 85268, U.S.A. Phone: +1 (480) 816-8672 Fax: +1 (480) 816-0115 E-mail: [email protected] Web Site: http://www.oriontelecom.com

Orion Telecom Networks Inc. 2005 VCL-LD™ E1, Digital Voice Compression Equipment (Digital Circuit Multiplication Equipment - DCME) Slide 1 Updated : January

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Page 1: Orion Telecom Networks Inc. 2005 VCL-LD™ E1, Digital Voice Compression Equipment (Digital Circuit Multiplication Equipment - DCME) Slide 1 Updated : January

Orion Telecom Networks Inc. 2005

VCL-LD™VCL-LD™E1, Digital Voice Compression EquipmentE1, Digital Voice Compression Equipment

(Digital Circuit Multiplication Equipment - DCME)(Digital Circuit Multiplication Equipment - DCME)

Slide 1

Updated : January 1st, 2005

16810, Avenue of Fountains, Suite # 108,Fountain Hills, AZ 85268, U.S.A.

Phone: +1 (480) 816-8672Fax: +1 (480) 816-0115

E-mail: [email protected] Site: http://www.oriontelecom.com

Page 2: Orion Telecom Networks Inc. 2005 VCL-LD™ E1, Digital Voice Compression Equipment (Digital Circuit Multiplication Equipment - DCME) Slide 1 Updated : January

Orion Telecom Networks Inc. 2005

Introduction• VCL-LDTM E1, DCME (Digital Circuit Multiplication Equipment) Voice Compression Equipment.• Provides 30, "toll quality" voice channels using an 8:1 compression ratio (10:1 Compression Ratio without the signaling channel), in a bandwidth of 256kbps*. • This is accomplished using an advanced digital signal processor (DSP) based Virterbi decoder with automatic voice/silence detection (VAD) and adaptive comfort noise generation (CNG).• ITU-T G.703, G.704 interface compliant. • E1 signaling support for R2, CAS (ABCD) Digital Signaling, PRI ISDN (Q.931), SS7 and C7 Signaling. • Proven to outperform CELP, RELP, VSELP, MELP, ECELP, MP-MLQ, LPC-10 and other competitive technologies.

Highlights

• E1, 30 Toll-Quality voice channels in 256Kbps of bandwidth.• 8:1 compression ratio (10:1 without signaling channel).• Supports fax and data modems @ upto 33.6Kbps data rates.• 128 ms. adaptive Echo Cancellation.• DSP based Vertibi Decoder for superior voice quality.• 3U high, compact construction.• Extensive set of alarms.• User selectable clock sources.• Support fax and data modems @ upto 33.6Kbps data rates.

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

Slide 2

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Orion Telecom Networks Inc. 2005

• Satellite Communications

• Digital Mobile Radio

• Secure Communications

• Cellular Telephony and PCS

• Voice Multiplexing

Applications

• Long Distance Telephony

• Prepaid Calling Card Service

• Call Center Applications

• Rural Telephony

• Voice Mail

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

• Support for multiple signaling platforms including CAS R2, PRI ISDN C7 and SS7 Signaling.

• Echo cancellation: Echo Canceller card cancels echo up to 128ms.

• Support fax and data modems @ upto 33.6Kbps data rates.

• E1, 30 voice channels in 256Kbps bandwidth (4, DS-0's) for voice only application.

• E1, 30 voice channels in 384Kbps (6, DS-0’s) for voice, fax and data modem support.

• Ideal choice for satellite communications, digital mobile radios, cellular network, long distance telephony service providers

(including pre-paid calling card operators), corporate customers for linking intercity voice networks, national and

international call-center applications .

• Modular Architecture - reduces downtime - dual port per card.

• Scalable - Build as you grow.

• Transport over point-to-point satellite links and dedicated leased lines.

• Superior Voice Quality.

• Robust to Bit Errors & Background Noise.

• High Quality Low Data Rate Speech Coding.

• Forward Error Correction.

• Voice Activity Detection (VAD) / Comfort Noise Insertion.

• Single and Dual Tone (DTMF) Detection and Generation.

• Minimal algorithmic processing delay.

• DTMF detection and regeneration.

Features

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

PERFORMANCEPERFORMANCE

Voice Quality Vs. Bit Rate

Mea

n O

pin

ion

Sco

re:M

OS 4.0

3.5

3.0

2.5

2.0

1.5

1.0

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Application of VCL-LDApplication of VCL-LDTMTM DCME DCME

International & Domestic Long Distance Telephony - A

Fractional E1Compressed @ 256 kbps

Satellite / Leased LineE1, CAS R2

PRI ISDN (Euro ISDN)C7, SS7 Signaling

E1, CAS R2PRI ISDN (Euro ISDN)

C7, SS7 Signaling

PSTNSwitch

PSTNSwitch

VCL-LD VCL-LD

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Long Distance Application - BLong Distance Application - B

PRI ISDN (23B+D)or

E1 C7/SS7 Signaling

256K Compressed E1 Fractional E1

Format

256K Compressed E1 Fractional E1

Format

Satellite link

PRI ISDN (23B+D)or

E1 C7/SS7 Signaling

E1E1

VCL-LDE1 DCME

VCL-LDE1 DCME

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Call Center ApplicationCall Center Application

E1, CAS R2PRI ISDN (Euro ISDN)

C7, SS7 Signaling

Fractional E1Compressed @ 256 kbps

Satellite / Leased Line

PSTNSwitch

Call Centre

VCL-LD VCL-LDTM

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Long Distance TelephonyLong Distance Telephony2 or Multiple E1’s - DCME Application2 or Multiple E1’s - DCME Application

Satellite link

E1

E1

E1

256K

E1

E1

E1

VCL-LDE1 DCME

256K Compressed E1 Fractional E1

256K Compressed E1 Fractional E1

VCL-LDE1 DCME

VCL-LDE1 DCME

VCL-LDE1 DCME

256K Compressed E1 Fractional E1

256K Compressed E1 Fractional E1

256K

VCL-LDE1 DCME

VCL-LDE1 DCME

VCL-E1 DACS VCL-E1 DACS

256K x “n”Value of “n” = number of compressed E1’s

in Fractional E1 Format

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

Slide 9

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Orion Telecom Networks Inc. 2005

FRONT PANEL VIEW OF VCL-LDFRONT PANEL VIEW OF VCL-LD

19 inch Shelf

The detailed equipment components of the VCL-LD are listed below:

1. One, VCL-LD, 19 inch shelf and Connectorized Backpanel 2. One, -48 VDC, Power Supply Card3. One, E1, Echo Canceller Card (128 ms. echo cancellation)4. One, E1, Interface Card, provides one uncompressed E1 interface and one compressed E1 interface.5. DS-0, aggregate 10 compressed voice channels to a DS-0 (3 cards per system - maximum)6. Voice compression card, Dual channel voice compression card, (15 cards per system - maximum)

Voice CompressionCards

DS-0 Card

Voice CompressionCards

DS-0 Card

DS-0 Card

E1 InterfaceCard

Echo CancellerCard

Voice CompressionCards

Power SupplyCard

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Technical SpecificationsTechnical SpecificationsDigital Network (PSTN) Interface 2048 Kbps Telco - E1

Number of E1 Interfaces 1Maximum number of VoiceChannels per E1 Interface 30Conformity G. 703Frame Structure As per ITU (CCITT) G.704PCM Sampling Rate 8000 samples/ secEncoding Law A law as per ITU (CCITT) G.711Bit Rate 2048 Kbps ± 50 ppmCode HDB3Nominal Impedance 120 balanced(75 unbalanced* - optional).Pulse Mask As per ITU (CCITT) Rec. G.703Output Jitter < 0.05 UI (in the frequency range of 20Hz to 100 Khz)Permissible Attenuation 6 dB at 1 MHz2048 KHz to 3072 KHz >14dBJitter Tolerance As per ITU (CCITT) G.823Supported Signaling Channel Associated Signaling, R2 Signaling

PRI (Primary Rate) ISDN Signaling (Q.931), C7, SS7 Signaling.

Clock Synchronization

Synchronization Sources Internal Clock, or, Timing derived from the E1, HDB3 link (Loop-Timed Clock)

Default Option Internal Clock

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Digital Carrier Interface 256 Kbps (Fractional E1)Compressed - E1 (voice only application)

Number of E1 Interfaces 1 - Fractional E1 Interface @ 256KbpsNumber of DS-0s 4 (First Four Time-Slots)Conformity G. 703Frame Structure G.704Bit Rate 2048 Kbps ± 50 ppmCode HDB3Nominal Impedance 120 balanced (75 unbalanced - optional)Pulse Mask As per ITU (CCITT) Rec. G.703Output Jitter < 0.05 UI (in the frequency range of 20Hz to 100 KHzPermissible Attenuation 6 dB at 1 MHzReturn Loss at:51.2 KHz to 102.4 KHz >12dB102.4 KHz to 2048KHz >18dB2048KHz to 3072 KHz >14dBJitter Tolerance As per ITU (CCITT) G.823

Power Supply

Input DC voltage -48V DC ( nominal )Range of input -40V to -60V DC

Power Consumption Less than 20 Watts (at full load)

-48VDC Input Voltage Reversal Protection Provided (Standard)

93VAC-267VAC, 47Hz-63Hz

Auto-Sensing Optional (External Supply)

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Digital Carrier Interface 384 Kbps (Fractional E1)Compressed - E1 (voice, fax & data modem support @ upto 33.6Kbps transmission)

Number of E1 Interfaces 1 - Fractional E1 Interface @ 384KbpsNumber of DS-0s 6 (First Six Time-Slots)

Conformity G. 703

Frame Structure G.704

Bit Rate 2048 Kbps ± 50 ppm

Code HDB3

Nominal Impedance 120 balanced (75 unbalanced - optional)

Pulse Mask As per ITU (CCITT) Rec. G.703

Output Jitter < 0.05 UI (in the frequency range of 20Hz to100 KHz

Permissible Attenuation 6 dB at 1 Mhz

Return Loss at:

51.2 KHz to 102.4 KHz >12dB

102.4 KHz to 2048KHz >18dB

2048KHz to 3072 KHz >14dB

Jitter Tolerance As per ITU (CCITT) G.823

Echo Canceller : Technical Specifications

Provides voice echo cancellation of up to 128ms

Conforms to ITU-T G.165 and ITU-T G.168

G.164 /G.165 disable tone detection

Non-Linear Processor with Comfort Noise Insertion

Narrow-Band Detector

Eliminates long echo tail.

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

Orion’s Orion’s ProductsProducts

E1, Voice & Data Drop-Insert Multiplexer

PRI ISDN (Q.931) Multiplexers

E1 Intelligent Channel Banks

E1 / T1 DCME (Digital Circuit Multiplication Equipment) - Voice Compression Equipment

Thin Route DCME

E1 / T1 Echo Cancellers

E1 / T1 Digital Cross Connect

T1 / E1 Converters

E3, 34Mbps Multiplexer

34Mbps Optical Line Transmission Equipment (OLTE)

STM 1 / STM 4 - SDH Equipment

Remote Asset Management Systems

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

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Orion Telecom Networks Inc. 2005

VCL-LD, E1 Voice Compression EquipmentVCL-LD, E1 Voice Compression Equipment

Slide 15

Thank you for your attentionThank you for your attention

For more details visit us at our Web Site at

http://www.oriontelecom.com

16810, Avenue of Fountains, Suite # 108,Fountain Hills, AZ 85268, U.S.A.

Phone: +1 (480) 816-8672 Fax: +1 (480) 816-0115E-mail: [email protected]