Slide 1 Copyright : Valiant Communications Limited Slide 1 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Updated: April, 2010 V aliant C ommunications L imited Telecom Transmission Solutions VCL-MX™ Version 5 12 E1 Voice & Data Multiplexer Product Presentation

Slide 2 Copyright : Valiant Communications Limited Slide 2 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Carrier class and cost-effective bandwidth provisioning equipment designed to manage and deliver services from the optical core to the access  Used for inter-connecting legacy voice and data networks, provisioning and managing bandwidth on a E1 channelized level as well as 64Kbps, DS-0 time-slot level and as a digital-access cross-connect equipment  Easy network manageability  Low cost per line  Easy upgradeability  Carrying both voice and data over PDH  Easy integration to SDH network  Higher reliability  SNMP Management  Network Management System. Product Overview:

Slide 3 Copyright : Valiant Communications Limited Slide 3 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  2Mbps, 12 E1 non-blocking cross-connect at 64Kbps (DS-0) level  Single Control Card  1+1 Redundant Power Supply  May be used in a Point-to-Point, Point-to-Multi point, Add-Drop (drop-insert), Tree and Star topology  Telnet  SNMP V2  In-band and Out-of-band management  GUI - Easy to use Graphical User Interface  NMS - SNMP V2 based Network Management System. Features:

Slide 4 Copyright : Valiant Communications Limited Slide 4 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Integrated Voice and Digital Data services  Any combination ("mix-n-match") of voice and digital data services deployed from a single VCL-MX "Smart Shelf” - 2 channels per card  User programmable ABCD CAS signaling option  Digital Data option may be used for internet access or video conferencing application  SCADA applications  19-inch, 6U high construction. Additional Features:

Slide 5 Copyright : Valiant Communications Limited Slide 5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Compliance with all relevant ITU-T (CCITT) recommendations  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  RS232, Interface for local connection through the serial interface to the "Network Control and Management Software”  USB Interface for local connection through the serial interface to the “ Network Control and Management Software”  10/100BaseT Interface for remote connection over a TCP-IP link to the "Network Control and Management Software”  In-band and Out-of-band system configuration and management interface  Channel assignment independent of slot position in the sub-rack. Highlights:

Slide 6 Copyright : Valiant Communications Limited Slide 6 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Extensive set of alarms  User configurable Internal, External or Loop-timed synchronization clock options  Supports 120 Ohms and 75 Ohms TTL External synchronization clock options  Provides 120Ohms external synchronization clock output  Integrated OAM (Operations and Management) Card  Any interface card can plug in at assigned interface slot. Highlights:  Copper  Optical Fiber  Wireless. Transmission Mediums:

Slide 7 Copyright : Valiant Communications Limited Slide 7 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Provides full range of POTS (voice) and digital data services to subscribers located at different locations, requiring to interconnect and establish a voice and data network over an E1 link. Voice Interfaces:  FXO  FXS  E&M (2 Wire and 4 Wire)  FXS-FXS (Hot-line)  FXS-C-FXS-C (15-way conference)  Magneto (GEN-GEN)  Ring Generator (75V RMS). VCL-MX Version #5

Slide 8 Copyright : Valiant Communications Limited Slide 8 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Data Interfaces:  Channelized E1 / Fractional E1 Data  RS232 asynchronous data  V.24 synchronous data / asynchronous data  64 Kbps, co-directional  V.35, V.36, X.21, V.11, RS442, RS530, “n”x64Kbps data  V.35, V.36, X.21, EIA530, V.11, V.28, RS485, 64Kbps  10BaseT Bridge Interface Card  Analog I/O Card (Dry Contact)  Digital I/O Card (TTL signal)  Universal Data Interface Card (user configurable data interface)  BRI (2B+D) ISDN.  Complete Capability to Cross Connect Voice and Digital data between 12 incoming E1 ports (i.e. 12 separate connecting E1 links) VCL-MX Version #5

Slide 9 Copyright : Valiant Communications Limited Slide 9 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Front View: Voice and Data Drop-Insert Multiplexer with In-band Management Interface and “n” x 64 Kbps data options VCL-MX Version #5

Slide 10 Copyright : Valiant Communications Limited Slide 10 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Rear View: VCL-MX Version #5

Slide 11 Copyright : Valiant Communications Limited Slide 11 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Applications of VCL-MX Version 5  POTS (voice), digital data, or real-time video conferencing services (V.35, V.36, X.21, 10BaseT Ethernet Bridge) high-speed digital data interface options allows video conferencing channel of up to 1920 Kbps)  Junction Mux - for digital interconnection of analog exchanges.  Point-to-Point, Point-to-Multi point, Add-Drop (drop-insert), Tree and Star topology applications  Wireless network applications  High-speed data ports for digital communication links providing leased  Lines access to Internet Service Provider (ISPs) with speeds ranging from 64Kbps up to 1920 Kbps digital data interface options.

Slide 12 Copyright : Valiant Communications Limited Slide 12 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Micro-Cellular infrastructure applications for providing cell-switch connectivity  Wide area networking  Internet Access over POTS lines - All POTS interfaces 64Kbps and support V.34 (33.6Kbps) dial-up modems. Applications of VCL-MX Version 5

Slide 13 Copyright : Valiant Communications Limited Slide 13 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 01: VCL-MX, 12 E1 Voice & Data Multiplexers Connecting over Digital Microwave Radio Links Applications

Slide 14 Copyright : Valiant Communications Limited Slide 14 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 02: VCL-MX, 12 E1 Voice & Data Multiplexers Connecting over Optical Fiber Links Applications

Slide 15 Copyright : Valiant Communications Limited Slide 15 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 03: VCL-MX, 12 E1 Voice & Data Multiplexer Connecting at the Central Office/Switch - E & M Interfaces Applications

Slide 16 Copyright : Valiant Communications Limited Slide 16 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 04: VCL-MX, 12 E1 Voice & Data Multiplexer Using in a Subscriber Loop Point to Point or Drop/Insert Application Applications FXO/JNC 2 wire exchange loop interface card FXS/SLC 2 wire subscriber loop interface card

Slide 17 Copyright : Valiant Communications Limited Slide 17 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 05: VCL-MX 12 E1 Voice & Data Multiplexer Providing Synchronous (X.21, V.35, V.36, RS530) “n x 64” Kbps Data Interfaces DCE- Remote DCE Configuration Data Interface Card (Application A) Applications

Slide 18 Copyright : Valiant Communications Limited Slide 18 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 05: VCL-MX 12 E1 Voice & Data Multiplexer Providing Synchronous (X.21, V.35, V.36, RS530) “n x 64” Kbps Data Interfaces DCE- Remote DTE Configuration Data Interface Card (Application B) Applications

Slide 19 Copyright : Valiant Communications Limited Slide 19 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 06: VCL-MX 12 E1 Voice & Data Multiplexer Providing Voice and Synchronous (V.11, X.21, V.35, V.36, RS422, RS530) “n x 64” Kbps Data Interfaces Applications

Slide 20 Copyright : Valiant Communications Limited Slide 20 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 07: For providing Hybrid Voice and Data Services Applications

Slide 21 Copyright : Valiant Communications Limited Slide 21 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Application # 08: VCL-MX 12 E1 Voice & Data Multiplexer used in Add-Drop, Tree and Star Configuration Applications

Slide 22 Copyright : Valiant Communications Limited Slide 22 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer Thank you for your attention For more details visit us at our Website at U.K. Valiant Communications (UK) Ltd 1, Acton Hill Mews, Uxbridge Road, London W3 9QN, United Kingdom Website: INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi , India Phone: , Fax: , Website: U.S.A. Valcomm Technologies Inc Ponce de Leon, Suite 470 Coral Gables, FL United States of America Website: