1. Copyright: Valiant Communications Limited - 2010Slide 1 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) Product Presentation Updated: 29 April, 2010 V aliant C ommunications L imited Telecom Transmission Solutions

2. Copyright: Valiant Communications Limited - 2010Slide 2 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) Product Overview  VCL-1 x E1/T1 over Ethernet (TDMoIP) provides the user with E1/T1 over Ethernet (IP) conversion and allows the user to transport E1/T1 channels (carrying data or voice) over Ethernet (IP) Network  Very Compact and low cost  It is an E1/T1 extension device which utilizes the Ethernet / IP Network to transport E1 or a T1 signal in real-time  Useful for the Real-time applications carrying VOICE, VIDEO and DATA  Compatible with 2 port, 8 port and 16 port TDMoIP versions  The equipment can be installed and used in a point-to-point topology  Multiple units can be used in different (Remote) sites in point-to-multipoint topology by using 2, 8 and 16 port TDMoIP equipment in central sites.

3. Copyright: Valiant Communications Limited - 2010Slide 3 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) Product Overview  The QoS features include short and stable transmission delay, low jitter / wander.  Suitable for achieving higher bandwidth utilization  Converts the E1/T1 frame format into Ethernet Data for transmission over the Ethernet or IP Network and then re-converts the Ethernet data back into E1/T1 frame format at the far-end terminal, to inter-connect two or more E1/T1 devices over the Ethernet / IP Network  Optional 110-220V AC (110~240V AC) and -48V DC (18~72V DC) input power supply.

4. Copyright: Valiant Communications Limited - 2010Slide 4 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) How it works  The equipment is a TDM / Packet processing unit.  It converts E1/T1 data stream into Ethernet packets with or without IP headers.  These packets are transported over the Ethernet network.  At the far-end, the packets from the uplink Ethernet port are sorted and processed to re-assemble into the original E1 or T1 data stream.  It also uses algorithms to recover the E1 or T1 clock synchronization and to ensure that the reconstructed clock will meet the stringent requirement of TDM applications.

5. Copyright: Valiant Communications Limited - 2010Slide 5 1 x E1/T1 over Ethernet Multiplexer (TDMoIP)  Supports user selectable one E1 or T1 port  Easy to use and configure by any web browser  E1/T1 signal is a TDM signal which transmits information in a constant bit rate of E1@ 2048Kbps, T1@ 1544Kbps.  Support point-to-point link establishment over IP Network  Support point-to-multipoint link establishment over IP Network with 2, 8 and 16 port TDMoIP equipment  Stable E1/T1 clock recovery, low jitter / wander  Low processing delay for E1/T1 channel, high bandwidth usage efficiency  Resistance to packet loss, with PCM frame synchronization protection  Adequate jitter buffer to resist packet delay variation  Auto parallel or cross cable adaptive Ethernet ports. Allow easy connection to other Ethernet equipment. Features and Highlights

6. Copyright: Valiant Communications Limited - 2010Slide 6 1 x E1/T1 over Ethernet Multiplexer (TDMoIP)  Local and remote E1/T1 LOS and AIS and packet loss indication for trouble- shooting and maintenance  Support 1+1 backup uplink ports  Supports Automatic Ethernet negotiation function and configurable 10M/100M, Half / Full duplex working modes  Optional powers 110-220V AC and -48V DC. May be ordered with either power supply option  Idle for connecting offshore sites with central site over Ethernet / IP network with very low investment costs  Supports transparent passing of VLAN tagged Ethernet DATA  Works well with other TDMoIP equipment having multiple E1/T1 ports  Robust and cost effective. Features and Highlights

7. Copyright: Valiant Communications Limited - 2010Slide 7 1 x E1/T1 over Ethernet Multiplexer (TDMoIP)  The equipment may be used for the following purposes: Connecting point-to-point E1/T1 devices over Ethernet or IP network Establishing point-to-point E1/T1 link over wireless bridge (Ethernet Radios) Connecting point-to-multipoint E1/T1 devices over Ethernet or IP network with 2, 8 and 16 port TDMoIP version Establishing point-to-multipoint E1/T1 link over wireless bridge (Ethernet Radios) with 2, 8 and 16 port TDMoIP version. Application

8. Copyright: Valiant Communications Limited - 2010Slide 8 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) E1/T1 PBX IP Networks PCM E1/T1 PBX PCM Radio Link UplinkE1/T1 Uplink E1/T1 UplinkE1/T1 Uplink E1/T1 Application Diagram Point to point applications Note:When connecting to a wireless LAN bridge (Ethernet Radio), care must be taken to protect the equipment from lightening strikes and surges by installing surge protection devices with a good earth / ground connection. Poor earth / ground connections may also degrade the operation of the Ethernet port, causing severe packet losses. 1 Port TDMoIP

9. Copyright: Valiant Communications Limited - 2010Slide 9 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) E1 / T1 Multiplexer E1/T1 PBX E1 / T1 Multiplexer E1/T1 PBX E1 / T1 Multiplexer 8/16 Port TDMoIP Central Site E1 / T1 Multiplexer E1/T1 PBX Remote Site - 5 E1 / T1 E1/T1 PBX Remote Site - 3 E1 / T1 Multiplexer Remote Site - 2 E1 / T1 Multiplexer Remote Site - 1 Application Diagram Point to multi-point application# 1 E1 / T1 Cell Tower Remote Site - 4 IP Network Uplink Uplinks 2 Port TDMoIP 1 Port TDMoIP

10. Copyright: Valiant Communications Limited - 2010Slide 10 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) E1 / T1 E1/T1 PBX Remote Site - 3 E1 / T1 Multiplexer Remote Site - 2 E1 / T1 Multiplexer Remote Site - 1 E1 / T1 Multiplexer E1/T1 PBX E1 / T1 Multiplexer E1/T1 PBX E1 / T1 Multiplexer 8/16 Port TDMoIP Central Site Radio Link E1 / T1 Cell Tower Remote Site - 4 E1 / T1 Multiplexer E1/T1 PBX Remote Site - 5 Application Diagram Point to multi-point application# 2 IP Network Uplinks Uplink 1 Port TDMoIP 2 Port TDMoIP

11. Copyright: Valiant Communications Limited - 2010Slide 11 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) Front Panel View TDMoIP with -48V DC input power supply TDMoIP with 110-220V (110V~240V) AC power supply

12. Copyright: Valiant Communications Limited - 2010Slide 12 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) Bottom Panel View Configuration DIP Switches

13. Copyright: Valiant Communications Limited - 2010Slide 13 1 x E1/T1 over Ethernet Multiplexer (TDMoIP)  Monitoring and Managing the equipment through the Web Management using Web Browser (Internet Explorer, Fire Fox etc) Web Management (Through Web Browser)

14. Copyright: Valiant Communications Limited - 2010Slide 14 1 x E1/T1 over Ethernet Multiplexer (TDMoIP)  Monitoring and Managing the equipment through the Web Management using Web Browser (Internet Explorer, Fire Fox etc) Web Management (Through Web Browser)

15. Copyright: Valiant Communications Limited - 2010Slide 15 1 x E1/T1 over Ethernet Multiplexer (TDMoIP) 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