1. Slide 1 Orion Telecom Networks Inc. - 2010Slide 1 xcvcxv Updated: April 2010Orion Telecom Networks Inc. - 2010 VCL-MX™ Version 2 E1, 2 Mbps 30 Channel Drop-Insert Voice & Data Multiplexer Product Presentation

2. Slide 2 Orion Telecom Networks Inc. - 2010Slide 2 Product Overview E1 voice and data, Drop-Insert (Add-Drop) Multiplexer Provides wide range of POTS (voice) and digital data services Integrates analog communication equipment with digital E1 interface. Effective CLI (text) and GUI (Graphical User Interface) based "Network Management System”. Remote monitoring and management of the inter-connected systems. Both Inband and Out-Of-Band configuration and monitoring options An extensive set of alarms, for easy maintenance are provided in the system. VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

3. Slide 3 Orion Telecom Networks Inc. - 2010Slide 3 FXO FXS E&M (2 Wire and 4 Wire) E&M - Ext (User configurable gain/attenuation) FXS-FXS (Hot-line) Voice Interface Options VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

4. Slide 4 Orion Telecom Networks Inc. - 2010Slide 4 RS232 RS485 G.703 @ 64 Kbps, co-directional iDSL Data Interface Options VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

5. Slide 5 Orion Telecom Networks Inc. - 2010Slide 5 Front View VCL-MX-Version # 2 - Voice and Data Drop-Insert Multiplexer with In-band Management Interface VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

6. Slide 6 Orion Telecom Networks Inc. - 2010Slide 6 Rear View 19-Inch Shelf 3U high19- Inch Shelf and Backplane VCL-MX-002/120 Slot 1Power Supply Card VCL-MX-010 Slot 2Ringer Card VCL-MX-040 Slot 3 to 1715 User Configurable voice & As per user requirement data interface(s) Slot 18LAN / NMS Card VCL-MX-NMS Slot 19Control Card 1 with In-Band VCL-MX-015-2 Management Interface Core System Composition Description Part No. VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

7. Slide 7 Orion Telecom Networks Inc. - 2010Slide 7 Features Voice and Digital Data services. Any combination ("mix-n-match") of Voice and Digital Data services deployed from a single VCL-MX "Smart Shelf". Drop and Insert applications. Wireless applications including Cellular Networks. Digital Microwave Radio. 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-MX, E1 Voice & Data Drop-Insert Multiplexer

8. Slide 8 Orion Telecom Networks Inc. - 2010Slide 8 Highlights Field upgradable to provide voice, data or both services. Flexibility on use of transmission medium - copper, fiber, or wireless. Choice of Interfaces for voice and Data Applications. RS-232, PC Interface "Network Control And Management Software". In-band system configuration and management interface. Out-of-band system configuration and management interface through 10BaseT Terminal (Optional) Channel assignment independent of slot position in the subrack. Extensive set of alarms. User Configurable Internal or Loop-Timed synchronization clock options. VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

9. Slide 9 Orion Telecom Networks Inc. - 2010Slide 9 Copper Optical Fiber Wireless Transmission Mediums VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

10. Slide 10 Orion Telecom Networks Inc. - 2010Slide 10 POTS (voice) and low speed (64Kbps) data Junction Mux - for digital interconnection of analog exchanges. Drop & Insert applications. Wireless network applications. Micro-Cellular infrastructure applications for providing cell- switch connectivity. Wide area networking. Applications of VCL-MX Version 2 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

11. Slide 11 Orion Telecom Networks Inc. - 2010Slide 11 Application # 01: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over Digital Microwave Radio Links Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

12. Slide 12 Orion Telecom Networks Inc. - 2010Slide 12 Application # 02: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over Digital Satellite Circuits VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

13. Slide 13 Orion Telecom Networks Inc. - 2010Slide 13 Application # 03: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over Optical Fiber Links Application # 04: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over HDSL Links VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

14. Slide 14 Orion Telecom Networks Inc. - 2010Slide 14 Application # 05: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting at the Central Office/Switch - E & M Interfaces VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

15. Slide 15 Orion Telecom Networks Inc. - 2010Slide 15 Application # 06: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Using in a Subscriber Loop Point to Point or Drop/Insert Application FXO/JNC 2 wire exchange loop interface card FXS/SLC 2 wire subscriber loop interface card VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

16. Slide 16 Orion Telecom Networks Inc. - 2010Slide 16 Thank you for your attention For more details visit us at our Website at http://www.oriontelecom.com Regional Office: Miami, Florida Orion Telecom Networks Inc. 4000 Ponce de Leon Blvd. Suite 470, Coral Gables, FL 33146 U.S.A. Phone: 1-305-777-0419, Fax: 1-305-777-0201 E-mail: sales@oriontelecom.com Website: http://www.oriontelecom.com Headquarters: Phoenix, Arizona Orion Telecom Networks Inc. 16810, Avenue of the 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 Website: http://www.oriontelecom.com VCL-MX, E1 Voice & Data Drop-Insert Multiplexer