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Updated : January, 2006

V aliant C ommunications L imited. Telecom Transmission Solutions. VCL-E3 OLTE 34Mbps Optical Line Transmission Equipment. INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi - 110015, India

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Updated : January, 2006

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  1. Valiant Communications Limited Telecom Transmission Solutions VCL-E3 OLTE 34Mbps Optical Line Transmission Equipment INDIA Valiant Communications Limited71/1, 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.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 470Coral Gables, FL 33146United States of America E-mail: us@valiantcom.com Website: http://www.valiantcom.com Updated : January, 2006

  2. VCL-E3 OLTE (Optical Line Transmission Equipment) PRODUCT OVERVIEW • VCL, E3 34Mbps (OLTE) Optical Line Transmission Equipment converts and transports a ITU-T compliant standard E3, 34Mbps signal on optical fiber. • Local and the Remote terminals can be monitored and controlled by a Windows based GUI (Graphical User Interface), from a single location. • Auto Laser shut off facility. • Powered by STM-1 grade Class I Laser - by Lucent Technologies. • The VCL, E3-OLTE is available in two configurations: • With the option of 1+1 Optical Redundancy (Protection Switching). • Without the option of Optical Redundancy (Protection Switching).

  3. VCL-E3 OLTE (Optical Line Transmission Equipment) FEATURES & HIGHLIGHTS • Single - card implementation. • 1+1 Optical Redundancy (Protection Switching) option. • Standard CCITT (ITU-T) compliant interfaces. • Auto Laser Shut Off facility. • Remote and local terminal monitoring and control through back panel by a Network Management System. • Optional TCP / IP Remote Access for monitoring alarms and management • Extensive alarms and status indication facility. • Operates on nominal -48V DC input. • Distributed on-board power supply. • Microprocessor controlled with powerful diagnostic facilities for both remote and local systems. • Powered by STM-1 grade Class I Laser - by Lucent Technologies. • Stored program controlled. • Highly reliable and compact.

  4. VCL-E3 OLTE (Optical Line Transmission Equipment) FRONT PANEL VIEW OF VCL-E3 OLTE VCL-E3 OLTE T T V V C C M M R R R X X R 2 2 1 1 E C T R R R R B D E E E E E M V S V S S S S 8 E A A A A 4 5 4 R L 3 L + L L L1 L2 - 19 inch Shelf • The LEDs provide the following indications: • Led 1 - -48V • Led 2- +5VDC • Led 3- 34Mbps Link 1 Optical Transmitter • Led 4- 34Mbps Link 1 Optical Receiver • Led 5- 34Mbps Link 2 Optical Transmitter • Led 6- 34Mbps Link 2 Optical Receiver • Led 7- 34Mbps electrical interface (Error) • L1 is for switching on / off optical transmitter - Link 1 • L2 is for switching on / off optical transmitter - Link 2 TX1 Transmit port - Optical link1 TX2 Transmit port - Optical link2 RX1 Receive port - Optical link 1 RX2 Receive port - Optical link 2 NU Not Used

  5. VCL-E3 OLTE (Optical Line Transmission Equipment) FRONT VIEW OF SHELF Tx Laser Transmitter -48 VDC Input Rx Laser Receiver VCL-E3 OLTE T T V V M M C C R R X R X R 34 Mbps electrical link 34 Mbps Optical link 2 2 1 1 E C R R R R T B D E E E E E M V V S S S S S 8 E A A A A 5 4 4 R L L + L L 3 - L1 L2 Alarm Extn. RS 232 interface

  6. - 4 S 4 VISUAL AUDIO 8 NMS PORT G 8 34MB RX 34MB TX V N V G D N D VCL-E3 OLTE (Optical Line Transmission Equipment) REAR VIEW OF SHELF Alarms These connectors are for receive and transmit of 34Mbps electrical signal (through 75 Ohms impedance co-axial cable) This connector is for -48V DC supply from DC source to E3 OLTE This port is for communication between E3 OLTE and PC

  7. VCL-E3 OLTE (Optical Line Transmission Equipment) VCL-E3 OLTE APPLICATION 34Mbps Electrical Signal 34Mbps Optical Link 34Mbps Electrical Signal VCL-E3 OLTE VCL-E3 OLTE VCL 2/34Mbps Multiplexer with 34 Mbps OLTE(Optical Line Transmission Equipment) 16 E1 to 1 E3 1310 nm Optical Line E1 E1 E1 E3 Multiplexer E3 OLTE E1

  8. VCL-E3 OLTE (Optical Line Transmission Equipment) VCL-E3 OLTE (Optical Line Transmission Equipment) PROGRAMMING AND MONITORING Programming Features Programming of 1+1 protection switching Auto Laser Shut off enable / disable Setting local or remote loopbacks on 34Mbps electrical stream Configuring of alarms Alarm acknowledgment option Alarm Status Monitoring Loss of electrical signal at 34 Mbps port Auto Laser shut off disabled alarm Prompt maintenance alarm Status of audible alarm Loss of optical signal Loss of auxiliary frame signal Laser loss alarm Laser power alarm Laser switched off Bit error rate out of limit

  9. VCL-E3 OLTE (Optical Line Transmission Equipment) VCL-E3 OLTE (Optical Line Transmission Equipment) PROGRAMMING AND MONITORING Status Monitoring Status of alarms. Presence or absence of loop-back on 34 Mbps electrical stream Enabled / disabled state of Auto laser Shutoff facility Viewing the currently active receiver and reason for switch over to that receiver Previous configuration files Monitoring VCL-OLTE via LED Indications Optical transmitter inactive Loss of incoming signal at 34Mbps electrical port Loss of incoming signal at 34 Mbps optical port +5V failure - 48V input failure

  10. VCL-E3 OLTE (Optical Line Transmission Equipment) VCL-E3 OLTE (Optical Line Transmission Equipment) TECHNICAL SPECIFICATIONS 34Mbps, E3 Electrical Interface Number 1 Nominal bit rate 34368kbps Bit rate tolerance ± 20ppm Line code HDB3 Frame structure as per G.751 Interfaces as per G.703 Input Jitter Acceptance 100Hz to 1KHz -  1.5UI 10KHz to 800KHz -  0.15UI Maximum Output Jitter  0.05UI Connectivity via spinner type connectors Cable 75 unbalanced Permissible attenuation 12dB at 17184kHz

  11. VCL-E3 OLTE (Optical Line Transmission Equipment) TECHNICAL SPECIFICATIONS 34Mbps, Optical Interface Type of Transmitter Class 1 Laser Number 1 (+1) with optical redundancy options Nominal bit rate 34368kbps Transmit wavelength 1310nm (standard), 1550nm (optional) Transmit output -12dBm (min at *EOL - End Of Life) -8dBm (typical) -5dBm (maximum) (other outputs available on request) Transmit Spectral Width <4nm Receive wavelength 1310nm (standard), 1550nm (optional) Operating wavelength range Transmitter: 1260nm - 1360nm Receiver: 1100nm - 1600nm Receiver dynamic range  30dBm Receiver sensitivity -38dBm (typical) -36dBm (min) Optical Connectors FC-PC connectors

  12. VCL-E3 OLTE (Optical Line Transmission Equipment) MECHANICAL SPECIFICATION Width : 480 mm Depth : 280 mm Height : 90 mm Weight : 4.20 Kg EXTERNAL INTERFACES • VCL-OLTE unit provides the following interfaces to the external world: • 1, 34Mbps, 75 unbalanced electrical interface • 2, 34Mbps, optical interface(s) - only one link is active at a time (optional) • - 48V input for VCL-OLTE on-board power supply • RS232 interface for connection to Network Management System, used for configuration and monitoring of VCL-OLTE system. • 2 alarm extensions for visual and audible alarms.

  13. VCL-E3 OLTE (Optical Line Transmission Equipment) POWER CONSUMPTION Power Consumption 9.60 Watt SAFETY Class I Laser Meets the optical safety requirements: G.958, IEC-825-1 and IEC 825-2 Auto Laser Shut Down in case of fiber break.: Enabled / Disabled by user

  14. VCL-E3 OLTE (Optical Line Transmission Equipment) Valiant’s Products • Digital Access Cross Connects - E1 / T1 , E3, DS3, 10/100 BaseT Ethernet • Groomers (Hi-Z Non-intrusive Hi-Impedance Monitoring) • 1+1 APS (Automatic Protection Switching) • Echo Canceller & Voice Quality Enhancement Solutions - E1, T1, DS3 and STM-1 • E1 Drop-Insert (Add-Drop) Voice and Data Multiplexers • E1, T1, E3, DS3, Ethernet Converters • STM-1 Add Drop Multiplexer with Ethernet • GSM Gateways - E1/T1 • E1 PRI ISDN (Euro ISDN) Q.931 Multiplexers • Channel Banks • E2 (4 E1), 2/34 Mbps PDH Multiplexer, 34 Mbps OLTE • Remote Site Monitoring Equipment

  15. VCL-E3 OLTE (Optical Line Transmission Equipment) Thank you for your attention For more details visit us at our Website at http://www.valiantcom.com INDIA Valiant Communications Limited71/1, 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.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 470Coral Gables, FL 33146United States of America E-mail: us@valiantcom.com Website: http://www.valiantcom.com

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