Orion Telecom Networks Inc VCL-TRLD, Thin Route DCME Voice Compression Equipment Slide 1 Updated : January 1st, , Avenue of Fountains, Suite # 108, Fountain Hills, AZ 85268, U.S.A. Phone: +1 (480) Fax: +1 (480) Web Site:

Orion Telecom Networks Inc Thin Route DCME "Thin Route" Voice Compression Equipment Provides “Toll-Quality” voice telephony channels for "thin route" (low density) applications. The VCL-TRLD is available in two versions. The first version provides a Single, Toll Quality voice 9.6Kbps for transmission over a standard RS232 (asynchronous) data interface. The second version provides Six, Toll Quality voice channels on a single, 64Kbps, synchronous channel (single time-slot). Product Overview Slide 2

Orion Telecom Networks Inc Mean Opinion Score:MOS PERFORMANCE Thin Route DCME GeneralBusiness Infrastructure RuralLong distance telephonyCivil Engineering Distance LearningTelcosOffshore Oil Rigs Disaster Relief Wireless NetworksProduction FarmingScalable Call Centers Pipelines TourismRetail OutletsWater Works Applications Slide 3

Orion Telecom Networks Inc FEATURES HIGHLIGHTS Modular Architecture Scalable - build as you grow. Transports voice over point-to-point satellite data links, dedicated limited bandwidth data channels, IP networks (optional additional hardware required). 3U high, compact construction - 12 voice compression channels per shelf. 6:1 Compression Ratio One "Toll-Quality" voice channel over RS232, 9.6Kbps (asynchronous) link. Six "Toll-Quality" voice channels over a synchronous 64Kbps (single time-slot) channel. Advanced, DSP based Vertibi Decoder for superior voice quality. Distributed (independent) power-supplies for maximum redundancy. Thin Route DCME Slide 4

Orion Telecom Networks Inc VSAT Thin Route Telephony, Remote Access - Link FXS - FXO Telco Switch PSTN PBX VCL-TRLD Satellite FXS 1 Voice 9.6kbps (Asynchronous Rs232) or 6 Voice 64kbps (Synchronous) or 12 Voice 128kbps (Synchronous) Medium may be satellite (VSAT) or 9.6kbps (RS232) datalink Thin Route DCME Slide 5

Orion Telecom Networks Inc Thin Route Telephony, Point to Point VF Link for Hot-Line Access FXS - FXS VSAT Satellite Voice 9.6kbps (Asynchronous Rs232) or 6 Voice 64kbps (Synchronous) Network medium can be satellite (VSAT) or 64kbps (Single Twest) datalink FXS VCL-TRLD Thin Route DCME Slide 6

Orion Telecom Networks Inc Compressed Voice 64Kbps ( single time-slot ) 6 Compressed Voice 64Kbps ( single time-slot ) BTS Telco Switch PSTN PBX BTS Telco Switch PSTN PBX Cellular, Thin Route, Prepaid Calling Card, Call Center applications E&M - E&M VCL-30 E1, CAS R2 6, VF Channels E&M Interface 6, VF Channels E&M Interface VCL-TRLD Network Medium Thin Route DCME Slide 7

Orion Telecom Networks Inc Front View of VCL-TRLD From Left to Right Thin Route DCME Slide 8

Orion Telecom Networks Inc Exchange / Switch Application for Standard POTS Service (FXO- FXS) FXO VCL-TRLD 6 VF, FXO Channels G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx SITE - A 64Kbps Data Link Thin Route DCME Slide 9

Orion Telecom Networks Inc FXS VCL-TRLD G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx 64Kbps Data Link SITE - B Figure # 1 Application for Standard POTS Service (FXO- FXS) 6, VF Channels Thin Route DCME Slide 10

Orion Telecom Networks Inc For Application of Hotline (Ring-Down) Service (FXS - FXS) FXS VCL-TRLD G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx 64Kbps Data Link 6, VF Channel SITE - A Thin Route DCME Slide 11

Orion Telecom Networks Inc FXS VCL-TRLD G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx 64Kbps Data Link Figure # 2 SITE - B For Application of Hotline (Ring-Down) Service (FXS - FXS) 6, VF Channels Thin Route DCME Slide 12

Orion Telecom Networks Inc For Application of 2 Wire / 4 Wire E&M Trunks (E&M - E&M) Exchange / Switch E&M VCL-TRLD 6, E&M Channels G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx SITE - A 64 Kbps Data Link Thin Route DCME Slide 13

Orion Telecom Networks Inc Exchange / Switch E&M VCL-TRLD 6, E&M Channels G.703 Subrate Mux 6 X 9.6Kbps Compressed VF Network Tx / Rx SITE - B Figure # 3 For Application of 2 Wire / 4 Wire E&M Trunks (E&M - E&M) 64 Kbps Data Link Thin Route DCME Slide 14

Orion Telecom Networks Inc Thin Route, DCME SLC / FXS Interface Module Part #VCL-TR-025 Specifications - Analog Interface (Uncompressed Input) Transmission PerformanceMOS 3.8 Exceeds 32Kbps, 8Kbps and 13Kbps Number per card1 Maximum number of Cards / Shelf12 Insertion loss (Nominal)2dB User selectable range for insertion loss1dB to 7dB (Through Dip Switch) Input level minimum-11dB Input level maximum3.2dB Operating voltage-48V dc (Nominal) Line Impedance600ohms 900ohms (Optional on request) Idle Channel Noise  65dB Overload Level+3.14dBm  0.5dB Maximum Loop resistance1200 ohms Ring voltage75Vrms / 86Vrms Ring frequency17Hz / 20Hz / 25Hz / 50Hz Dial pulse speed10pps Thin Route DCME Slide 15

Orion Telecom Networks Inc Specifications - Digital Interface (Compressed Voice) Number per Card1 Maximum No. of Slots / Shelf12 TypeRS 232 Tx, Rx, Gnd ModeAsynchronous Baud Rate9.6 kbps - Fixed Data Size8bits ParityNone Flow Control None ( Xon / X off ) Stop Bit1 Thin Route DCME Slide 16

Orion Telecom Networks Inc Thin Route, DCME JNC / FXO Interface Module Part #VCL-TR-030 Specifications - Analog Interface (Uncompressed Input) Transmission PerformanceMOS 3.8 Exceeds 32Kbps, 8Kbps and 13Kbps Number per card1 Maximum number of Cards / Shelf12 Insertion loss (Nominal)2dB User selectable range for insertion loss1dB to 7dB (Through Dip Switch) Input level minimum-11dB Input level maximum3.2dB Operating voltage-48V dc (Nominal) Open loop resistance>22 K ohm Closed loop resistanceConstant current sink of 23mA Line Impedance600ohms 900ohms (Optional on request) Idle Channel Noise  65dB Overload Level+3.14dBm   0.5dB Ring voltage detection (min)35Vrms Dial pulse speed10pps Thin Route DCME Slide 17

Orion Telecom Networks Inc Specifications - Digital Interface (Compressed Voice) Number per Card1 Maximum No. of Slots / Shelf12 TypeRS 232 Tx, Rx, Gnd ModeAsynchronous Baud Rate9.6 kbps - Fixed Data Size8bits ParityNone Flow Control None ( Xon / X off ) Stop Bit1 Thin Route DCME Slide 18

Orion Telecom Networks Inc Thin Route, DCME, 2 Wire / 4 Wire E&M Trunk Interface Module Part #VCL-TR-035 Specifications - Analog Interface (Uncompressed Input) Transmission PerformanceMOS 3.8 Exceeds 32Kbps, 8Kbps and 13Kbps Number per card1 Maximum number of Cards / Shelf12 Performance Characteristics: Between voice frequency portsas per CCITT G.713 Insertion loss (Nominal)2dB Line Impedance600ohms 900ohms (Optional on request) Idle Channel Noise  65dB Overload Level+3.14dBm   0.5dB User selectable range for insertion loss1dB to 7dB (Through Dip Switch) Input level minimum-11dB Input level maximum3.2dB Thin Route DCME Slide 19

Orion Telecom Networks Inc Specifications - Digital Interface (Compressed Voice) Number per Card1 Maximum No. of Slots / Shelf12 TypeRS 232 Tx, Rx, Gnd ModeAsynchronous Baud Rate9.6 kbps - Fixed Data Size8bits ParityNone Flow Control None ( Xon / X off ) Stop Bit1 Thin Route DCME Slide 20

Orion Telecom Networks Inc Orion’s Products 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 Slide 21 Thin Route DCME

Orion Telecom Networks Inc Thank you for your attention For more details visit us at our Web Site at , Avenue of Fountains, Suite # 108, Fountain Hills, AZ 85268, U.S.A. Phone: +1 (480) Fax: +1 (480) Slide 22 Thin Route DCME