1. Slide 1 Copyright : Valiant Communications Limited. - 2010 Slide 1 4 E1 + Ethernet PDH Optical Multiplexer Updated: April, 2010 V aliant C ommunications L imited Telecom Transmission Solutions Product Presentation 4 E1 + Ethernet PDH Optical Multiplexer

2. Slide 2 Copyright : Valiant Communications Limited. - 2010 Slide 2 4 E1 + Ethernet PDH Optical Multiplexer Product Overview Integrated E1 plus Ethernet - optical multiplexer 10/100M Ethernet port - 100Mbps Ethernet data transmission rate Point-to-point high performance optical line transmission equipment Combines 4, ITU-T G.703 compliant standard electrical E1s plus 100BaseT ethernet signal into an optical data link for transport over fiber optic pairs Transmitter options for different cable types and wave-lengths are available 1+1 optical path redundancy is offered and available, as an option Powered by grade Class I Laser Power Input options: –48 V DC input, 110-240V AC, AC+DC

3. Slide 3 Copyright : Valiant Communications Limited. - 2010 Slide 3 4 E1 + Ethernet PDH Optical Multiplexer Features and Highlights Compact design that performs E1 and Ethernet channel multiplexing & de-multiplexing to an optical output Provides visible and audible alarm indication Provide Remote power detection (RPD). Allows the local end to detect if the remote unit is unavailable due to optical link failure or due to power down. Low power consumption (<10W) Orderwire (EOW) channel for end to end installation and maintenance Local and remote loop back test for diagnostics 1+1 Fiber Path protection ALS (Auto Laser Shutdown) facility for eye safety

4. Slide 4 Copyright : Valiant Communications Limited. - 2010 Slide 4 4 E1 + Ethernet PDH Optical Multiplexer Application Diagram

5. Slide 5 Copyright : Valiant Communications Limited. - 2010 Slide 5 4 E1 + Ethernet PDH Optical Multiplexer Height1U (44 mm) Width19 in. (standard EIA rack mount) Depth6.2 in (155 mm) Weight2.2 Kg. ProductDimensions Product Dimensions

6. Slide 6 Copyright : Valiant Communications Limited. - 2010 Slide 6 4 E1 + Ethernet PDH Optical Multiplexer Rear Power Input Modules Dual-Redundant (AC+DC) AC (220V) AC power slot (110 ~ 240V AC, 50/60 Hz) DC (-48V) DC power slot (18 to 72V DC) Power Consumption < 10 Watts AC and/or DC Typically Factory-Installed PowerModules Power Modules

7. Slide 7 Copyright : Valiant Communications Limited. - 2010 Slide 7 4 E1 + Ethernet PDH Optical Multiplexer Optical Connections Wavelength1310 nm / 1550 nm Distance From 15 Kms to 120 Km ConnectorFC WARNING! Do not expose to the naked eye as unmated optical connector may emit harmful laser radiation.

8. Slide 8 Copyright : Valiant Communications Limited. - 2010 Slide 8 4 E1 + Ethernet PDH Optical Multiplexer E1 Connections Cable TypeDB37 (F) to 4xRJ45 (F) Impedance120 Ohms ComplianceITU-T G.703

9. Slide 9 Copyright : Valiant Communications Limited. - 2010 Slide 9 4 E1 + Ethernet PDH Optical Multiplexer Ethernet Connections ETHEthernet data port (RJ45, MDI/MDI-X)

10. Slide 10 Copyright : Valiant Communications Limited. - 2010 Slide 10 4 E1 + Ethernet PDH Optical Multiplexer Maintenance and Management Serial Management Port (RS232) – COM Port TCP/IP - 10/100 BaseT for remote management over a LAN / TCP/IP network SNMP V2 (MIB File provided with the equipment) Telnet - CLI (Command Line Interface) Graphical User Interface (GUI) Network Management System (to monitor multiple units from a single central location).

11. Slide 11 Copyright : Valiant Communications Limited. - 2010 Slide 11 4 E1 + Ethernet PDH Optical Multiplexer Maintenance and Management – DIPSwitches Maintenance and Management – DIP Switches CV-CLRClears Code Violation alarm MUTEMutes buzzer sound, buzzer will not sound if any alarm appears MASKAll current E1 loss alarms will be masked. In addition, alarms will be triggered if new event of E1 signal loss happens even if switch is ON ALS_ENEnables Auto Laser Shutdown function LOOP 1-4Enables Remote loop-back of corresponding E1 (1-4)

12. Slide 12 Copyright : Valiant Communications Limited. - 2010 Slide 12 4 E1 + Ethernet PDH Optical Multiplexer CONSOLERS232 Management Port (DB9-M) Maintenance and Management – RS232 Serial Port

13. Slide 13 Copyright : Valiant Communications Limited. - 2010 Slide 13 4 E1 + Ethernet PDH Optical Multiplexer MANGTCP/IP Management port for TELNET and SNMP (RJ45, MDI/MDI-X) Maintenance and Management – TCP/IP

14. Slide 14 Copyright : Valiant Communications Limited. - 2010 Slide 14 4 E1 + Ethernet PDH Optical Multiplexer Maintenance and Management – SNMP SNMP V2 Management through MIB browser

15. Slide 15 Copyright : Valiant Communications Limited. - 2010 Slide 15 4 E1 + Ethernet PDH Optical Multiplexer Maintenance and Management –GUI Maintenance and Management – GUI Managing multiple systems from a central location over RS232 serial connection (Local), TCP/IP TELNET and SNMP Protocol (LAN or Remotely) with the help of GUI.

16. Slide 16 Copyright : Valiant Communications Limited. - 2010 Slide 16 4 E1 + Ethernet PDH Optical 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 INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi - 110015, India Phone: +91-11 4105 5601, 91-11 4105 5602 Fax: +91-11 4105 5604, 91-11 2543 4300 E-mail: getinfo@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