1. Slide 1 Copyright : Valiant Communications Limited. - 2010 Slide 1 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Updated: April, 2010 VCL-MX™ Version 2 E1, 2 Mbps 30 Channel Drop-Insert Voice & Data Multiplexer Product Presentation V aliant C ommunications L imited Telecom Transmission Solutions

2. Slide 2 Copyright : Valiant Communications Limited. - 2010 Slide 2 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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.

3. Slide 3 Copyright : Valiant Communications Limited. - 2010 Slide 3 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer FXO FXS E&M (2 Wire and 4 Wire) E&M - Ext (User configurable gain/attenuation) FXS-FXS (Hot-line) Voice Interface Options

4. Slide 4 Copyright : Valiant Communications Limited. - 2010 Slide 4 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer RS232 RS485 G.703 @ 64 Kbps, co-directional iDSL Data Interface Options

5. Slide 5 Copyright : Valiant Communications Limited. - 2010 Slide 5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Front View VCL-MX-Version # 2 - Voice and Data Drop-Insert Multiplexer with In-band Management Interface

6. Slide 6 Copyright : Valiant Communications Limited. - 2010 Slide 6 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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.

7. Slide 7 Copyright : Valiant Communications Limited. - 2010 Slide 7 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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.

8. Slide 8 Copyright : Valiant Communications Limited. - 2010 Slide 8 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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.

9. Slide 9 Copyright : Valiant Communications Limited. - 2010 Slide 9 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Copper Optical Fiber Wireless Transmission Mediums

10. Slide 10 Copyright : Valiant Communications Limited. - 2010 Slide 10 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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

11. Slide 11 Copyright : Valiant Communications Limited. - 2010 Slide 11 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 01: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over Digital Microwave Radio Links Applications

12. Slide 12 Copyright : Valiant Communications Limited. - 2010 Slide 12 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 02: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting over Digital Satellite Circuits

13. Slide 13 Copyright : Valiant Communications Limited. - 2010 Slide 13 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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

14. Slide 14 Copyright : Valiant Communications Limited. - 2010 Slide 14 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 05: VCL-MX, E1 2 Mbps Voice & Data Multiplexer Connecting at the Central Office/Switch - E & M Interfaces

15. Slide 15 Copyright : Valiant Communications Limited. - 2010 Slide 15 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer 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

16. Slide 16 Copyright : Valiant Communications Limited. - 2010 Slide 16 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Thank you for your attention For more details visit us at our Website at http://www.valiantcom.com U.K. Valiant Communications (UK) Ltd 1, Acton Hill Mews, 310-328 Uxbridge Road, London W3 9QN, United Kingdom E-mail: gb@valiantcom.com Website: http://www.valiantcom.com U.S.A. Valcomm Technologies Inc. 4000 Ponce de Leon, Suite 470 Coral Gables, FL 33146 United States of America E-mail: us@valiantcom.com Website: http://www.valiantcom.com INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi - 110015, India E-mail: mail@valiantcom.com Website: http://www.valiantcom.com