1. Orion Telecom Networks Inc. 2005 VCL-30 ™ 2Mbps E1, Drop-Insert Voice & Data Multiplexer 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: sales@oriontelecom.comsales@oriontelecom.com Web Site: http://www.oriontelecom.comhttp://www.oriontelecom.com

2. Orion Telecom Networks Inc. 2005 Product Overview Drop-Insert (Add-Drop) Multiplexer Voice Telephony Data Communication Wireless Communication Interconnecting computer terminals Interconnecting LAN (Local Area Networks) Providing leased data lines VCL-30, E1 Voice & Data Multiplexer Slide 2

3. Orion Telecom Networks Inc. 2005 Voice Interface Options POTS service from a Central Office Switch. (FXO & FXS) Hot Line (FXS-FXS). 2 Wire and 4 Wire, E&M applications. 30W, sine-wave, 86VRMS Ringer. VCL-30, E1 Voice & Data Multiplexer Slide 3

4. Orion Telecom Networks Inc. 2005 Data Interface Options V.35 (64Kbps Synchronous Data) - Dual Port per card. N x 64 ("N" x 64Kbps Synchronous Data - One Interface per card). G.703 (64Kbps Synchronous Data) - Dual Port per card. V.24 (up to 19.2Kbps Synchronous /Asynchronous Data) Dual Port per card. BRI ISDN “U” Interface iDSL (ISDN DSL) leased line interface. 10BaseT Ethernet VCL-30, E1 Voice & Data Multiplexer Slide 4

5. Orion Telecom Networks Inc. 2005 Features Voice and Digital Data services. Any combination ("mix-n-match") of Voice and Digital Data services deployed from a single VCL-30 "Smart Shelf". Drop and Insert applications. Digital Data option may be used for internet access or video conferencing application. Wireless applications including Cellular Networks. Digital Microwave Radio. SCADA applications. Frame Relay circuit termination. Powerful Network Management System for monitoring and network control. Compliance with all relevant ITU-T (CCITT) recommendations. 3U high, compact construction. VCL-30, E1 Voice & Data Multiplexer Slide 5

6. Orion Telecom Networks Inc. 2005 Highlights Field upgrade possible to provide voice, data or both services. Flexibility on use of transmission medium - copper, fiber, or wireless. Choice of Interfaces for Data Applications. RS-232, PC Interface "Network Control And Management Software". Channel assignment independent of slot position in the subrack. Extensive set of alarms. Synchronization to different user selectable clock sources (User Selectable Priority Assignment). VCL-30, E1 Voice & Data Multiplexer Slide 6

7. Orion Telecom Networks Inc. 2005 Transmission Mediums Ordinary copper cable pairs Optical fiber cables Wireless, for deploying voice, data or video conferencing services. VCL-30, E1 Voice & Data Multiplexer Slide 7

8. Orion Telecom Networks Inc. 2005 Applications of VCL-30 POTS (voice), digital data, or real-time video conferencing services Junction Mux - for digital interconnection of analog exchanges. Drop & Insert applications. Wireless network applications. High-speed data ports for digital communication links Micro-Cellular infrastructure applications for providing cell-switch connectivity. Wide area networking. Internet Access over POTS lines VCL-30, E1 Voice & Data Multiplexer Slide 8

9. Orion Telecom Networks Inc. 2005 Application Diagrams Diagrams VCL-30, E1 Voice & Data Multiplexer VCL-30 VCL-30 Slide 9

10. Orion Telecom Networks Inc. 2005 VCL-30 E1, 2Mbps Multiplexer Twisted Cable Pair Twisted pair cable using E1 or HDSL Transport. 30 Voice & Data Channels VCL-30 Multiplexer 30 Voice & Data Channels VCL-30, E1 Voice & Data Multiplexer Slide 10

11. Orion Telecom Networks Inc. 2005 VCL-30 E1, 2Mbps Multiplexer Digital Microwave Radio Link 30 Voice & Data Channels 2 Mbps Digital Radio VCL-30 Multiplexer 2 Mbps Digital Radio 30 Voice & Data Channels VCL-30, E1 Voice & Data Multiplexer Slide 11

12. Orion Telecom Networks Inc. 2005 VCL-30 E1, 2bps Multiplexer Fiber Optic Transmission 30 Voice / Data Channel VCL-30 Multiplexer Optical Fiber 30 Voice / Data Channel Optical Interface Optical Interface VCL-30, E1 Voice & Data Multiplexer Slide 12

13. Orion Telecom Networks Inc. 2005 Twisted pair cable Satellite Optical Fibre Digital Radio VCL -30 Multiplexer FAX CPU Pay Phone PC Terminal PBX or Central Office/ Exchange Video or CAD System PBX or Central Office/ Exchange TERMINAL (END TO END) MULTIPLEXER VCL-30, E1 Voice & Data Multiplexer Slide 13

14. Orion Telecom Networks Inc. 2005 PC Terminal PBX or Central Office/ Exchange PBX or Central Office/ Exchange CPU PC Terminal VCL -30 Multiplexer PCO Video or CAD System FAX Drop Insert Application VCL-30, E1 Voice & Data Multiplexer Slide 14

15. Orion Telecom Networks Inc. 2005 VCL -30 Multiplexer Central Office / Switch FXO/JNC FXS / SLC FXO/JNC 2 wire exchange loop interface card FXO/SLC 2 wire subscriber loop interface card VCL-30 E1, 2Mbps Multiplexer Subscriber Loop Point to Point or Drop / Insert Application VCL-30, E1 Voice & Data Multiplexer Slide 15

16. Orion Telecom Networks Inc. 2005 VCL-30, with Voice & iDSL Intranet in a Drop-Insert (Add-Drop) Application Note : Two PC’s can be linked to form an Intranet by interconnecting them through iDSL links on the VCL-30 Multiplexer(s). E1 VCL-30 Mux 1 PSTN Switch PC is Connected to CPE 10/100 Base T PC is Connected to CPE 10/100 Base T PC or LAN Analog Lines VCL-30 Mux 2 VCL-30 Mux 3 E1 CPE 10/100 Base T VCL-30, E1 Voice & Data Multiplexer Slide 16

17. Orion Telecom Networks Inc. 2005 ISP iDSL Application iDSL Deployment VCL-30 E1 Multiplexer for 15 Subscribers CPE 10/100Base T Application 10BaseT Interface Cisco Router with E1 Interface E1 Customer # 1 Customer # 15 Internet CPE 10/100 Base T Data @ 128 Kbps 0.5 mm Twisted pair iDSL Application with CPE 10/100Base T Data @ 128 Kbps upto 5km VCL-30 Multiplexer with iDSL Interface Cards CPE 10/100 Base T VCL-30, E1 Voice & Data Multiplexer Slide 17

18. Orion Telecom Networks Inc. 2005 ISP iDSL Application iDSL Deployment VCL-30 E1 Multiplexer for 15 Subscribers V.35 Application @ 128 Kbps, each V.35 Desktop Modem Cisco Router with E1 Interface E1 Customer # 1 Customer # 15 Internet SOHO PC V.35 Desktop Modem V.35 @ 128 Kbps upto 5km 0.5 mm Twisted pair iDSL Application with V.35 Modems V.35 @ 128 Kbps VCL-30 Multiplexer with iDSL Cards SOHO PC V.35 Desktop Modem Small Business LAN VCL-30, E1 Voice & Data Multiplexer Slide 18

19. Orion Telecom Networks Inc. 2005 Power Supply Card Ring Generator Card FXS Cards Control Card 2 Control Card 1 Slot 1Slot 2Slot 3Slot 4Slot 5Slot 6Slot 7Slot 8Slot 9 Slot 10 Slot 11 Slot 12 Slot 13 Slot 14 Slot 15 Slot 16 Slot 17Slot 18Slot 19 System Composition Core System Composition: Control Card 1 Control Card 2 Power Supply Card Backplane 19-Inch Shelf Slot 1 Power Supply Card Slot 2 Ringer Card Slot 3 to 17 Voice/Data Interface Cards Slot 18 Control Card 1 Slot 19 Control Card 2 VCL-30, E1 Voice & Data Multiplexer Slide 19

20. Orion Telecom Networks Inc. 2005 Mechanical Specifications Rack MountingStandard 19 Inch. DIN Rack Height133.33mm. Depth292mm. Width 483mm. Weight7.50 Kg. Number of Interfaces2 Conformity (Electrical)G.703 Frame StructureAs per ITU (CCITT) G.704 SignalingChannel Associated Signaling PCM Sampling Rate8000 Samples / sec Encoding LawA Law as per ITU (CCITT) Bit Rate2048 Kbps ± 50 ppm CodeHDB3 Nominal Impedance120  balanced / 75  unbalanced Technical Specifications E1 Interface VCL-30, E1 Voice & Data Multiplexer Slide 20

21. Orion Telecom Networks Inc. 2005 Number of Channels per Card2 Interface TypeFXO, FXS, 2W / 4W E&M Maximum Number of Channels30 Transmission performanceFully Compliant to ITU (CCITT) G.712 specification Line Impedance600  (900  optional) Voice Channel Frequency300Hz-3400Hz Insertion Loss-2.0dB Nominal (User adjustable in steps of 0.5 dB through Network Management Software Idle Channel Noise  -65dB Return Loss300Hz - 600Hz - 12dB 600Hz - 3400Hz - 15dB Longitudinal Balance  46dB between 300Hz to 3400Hz Battery ReversalAll channels Periodic Metering16 kHz (Optional) Dial Pulse Speed8 -12 pps 2 Wire / 4 Wire - Voice Frequency Interface(s) VCL-30, E1 Voice & Data Multiplexer Slide 21

22. Orion Telecom Networks Inc. 2005 G.703 @ 64kbps, Synchronous Data Interface Number of Interfaces per Card2 Maximum Number30, V.35, 64Kbits / sec. Interface ConformityTo (CCITT) Rec. G.703 ModeSynchronous, Co-directional Bit Rate64Kbps High Speed Synchronous Data Interface V.35 Number of Interfaces per Card2 Maximum Number30, V.35, 64 Kbits / sec. Interface ConformityTo (CCITT) Rec. V.35 ModeSynchronous Bit Rate64 kbps User InterfaceDCE or DTE - User Configurable VCL-30, E1 Voice & Data Multiplexer Slide 22

23. Orion Telecom Networks Inc. 2005 High Speed Synchronous Data Interface “n X 64” Number of Interfaces per Card 1, (”N” x 64KBits/sec. per Card) Maximum Number(”N” x 64 Kbits / sec. Interface maximum value of “N” = 16) ConformityTo(CCITT) Rec. V.35 ModeSynchronous Bit Rate64 Kbps User InterfaceDCE or DTE - User Configurable Low Speed Data Interface V.24 Number of Interfaces per Card2 Maximum Number30 ConformityTo(CCITT) Rec. V.24 ModeSynchronous/Asynchronous Bit Rate2.4/4.8/7.2/9.6/ 19.2 Kbps User InterfaceDCE or DTE - User Configurable VCL-30, E1 Voice & Data Multiplexer Slide 23

24. Orion Telecom Networks Inc. 2005 BASIC RATE ISDN Specifications "U" InterfaceMeets ANSI T1.601-1992 requirements Line Rate160 Kbits/s Frame FormatAs per 2B+D of CCITT Rec. I 430 Line Code2B1Q as per CCITT Rec.G.961 Accepted Line Attenuation42dB at 40 Khz Pulse ShapeAs per CCITT Rec.G.961 CO Side "U" InterfaceNT Emulation Customer Side "U" InterfaceLT Emulation Impedance135 Ohms at 40KHz VCL-30, E1 Voice & Data Multiplexer iDSL - ISDN DSL Specifications "U" InterfaceMeets ANSI T1.601-1992 requirements Line Rate160 Kbits/s Frame Format2B as per CCITT Rec.1.430 Line Code2B1Q as per CCITT Rec.G.961 Accepted Line Attenuation42dB at 40 Khz Pulse ShapeAs per CCITT Rec.G.961 Multiplexer EmulationLT Emulation Customer Premises EquipmentNT Emulation Impedance135 Ohms at 40KHz Slide 24

25. Orion Telecom Networks Inc. 2005 Customer Premises Desktop Interfaces - Option # 1: (10BaseT Ethernet - with IP Protocol Routing) Customer premises equipment with a 10BaseT Desktop Interface. IP Protocol Routing. (Firewall Protection - Optional). Customer Interface - 10BaseT Ethernet Desktop Interface with IP Protocol Routing. The 10BaseT Interface may be directly connected to a 10BaseT Network Interface Card installed on a PC, or to to a HUB to connect a complete customer LAN to the network. Power Supply 110VAC-220VAC, 50Hz/60Hz, UL and CE Approved. VCL-30, E1 Voice & Data Multiplexer Customer Premises Desktop User Interfaces: Customer Premises Desktop Interfaces - Option # 2: (V.35 interface @ 128Kbps) (customer premises desk top equipment with V.35 Interface @ 128Kbps). Power Supply 110VAC-220VAC, 50Hz/60Hz, UL and CE Approved. Optional Accessories: V.35 Data Interface Cable (with male / female M34 connector) Slide 25

26. Orion Telecom Networks Inc. 2005 PROTECTION Central Office Terminal and Remote Terminal are protected against power surges and transients occurring from lightning and electric induction as per CCITT Rec. Table I/K-20 towards line side ENVIRONMENTAL Exchange Terminal0°C to + 50°C, 90% R.H. (Non Condensing) Subscriber Terminal-10°C to +60°C, 90% R.H. (Non Condensing) VCL-30, E1 Voice & Data Multiplexer Slide 26

27. Orion Telecom Networks Inc. 2005 VCL-30, E1 Voice & Data Multiplexer POWER SUPPLY Input DC voltage-48V DC ( nominal ) Range of input-40V to -60V DC Output voltages+5V, -5V, filtered -48V ( for term. cards) Full Load Output Current4A at +5V, 0.5A at -5V Input Voltage Reversal ProtectionProvided in the Card Over Current Protection6A for +5V, 0.5A for -5V Short Circuit ProtectionCurrent limit - 6A. Recovers on removal of short Under Voltage< 4.5V Over Voltage5.4V to 5.6V Efficiency at full load>70% Ripple at full load<5mVrms Spike at full load<50mV Power Consumption21W - with all 30 Voice Circuits 42W (Worst - Case) - all data circuits. Slide 27

28. Orion Telecom Networks Inc. 2005 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 VCL-30, E1 Voice & Data Multiplexer Slide 28

29. Orion Telecom Networks Inc. 2005 Thank 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) 816-0115 E-mail: sales@oriontelecom.com VCL-30, E1 Voice & Data Multiplexer Slide 29