Valiant Communications Limited Telecom Transmission Solutions Ethernet over Multi E1 (4 / 8 / 16 E1) Product Presentation Updated: 29 April, 2010

Product Overview Ethernet over Multi E1 Converter allows the user to connect to Ethernet sites over point to point E1 link / links The device can effectively utilize the existing TDM network to transport Ethernet data with low investment. One or more than one (up to 16) E1 links can be used to carry the Ethernet data over E1 link as per the application requirement Flexible Interface options - E1 (120 / 75 Ohms) and Ethernet (Optical / Electrical) E1 Options - Available in 4E1, 8E1 and 16E1 port versions Ethernet Options – 4 Electrical or 1 Optical + 3 Electrical LCAS feature supported to adjust the bandwidth automatically according the availability of E1 links without disturbing the current running services.

Product Overview IEEE 802.1Q and 802.1P based QoS features supported Redundant Power supply option available in AC + DC configuration Plug and play for the simple point to point application (No configurations required).

Features and Highlights Provides 4 Ethernet 10/100BaseT (Electrical) Ports for each converter Provides 3 Ethernet 10/100BaseT (Electrical) Ports and 1 Ethernet (Optical) Port for each converter – (Optional) Supports Auto Adaptive three working modes of E1 transmission. Un-Framed (Transparent), Framed PCM 30 and Framed PCM 31 formats Supports VCAT (virtual concatenation) and LCAS (link capacity adjustment scheme) protocol, and complies with ITU-T G.7042 Specifications Mapping to E1 complies with ITU-T G.7043 and G.8040 specifications Supports VLAN tagging as per 802.1Q Supports 802.1 based QoS feature Supports base priority classification for incoming 802.1Q packets Supports IEEE 802.1p standard recommended Class of Service traffic categorization.

Features and Highlights Supports 802.1p priority classification for ingress packets Provides 4 different user selectable ratios (0:1, 1:2, 1:5 and 1:10) for delivery of high and low priority packets Supports 802.1 p based classification of 802.1Q based VLAN Packets which provides a Mechanism for implementing Quality of Service (QoS) User selectable ports for enabling / disabling the QoS service Supports port based priority if the Equipment fails to classify the 802.1Q packets Supports port based Ethernet bandwidth limit for ingress traffic Port based Ethernet limit allows user to provide different speed for the different customers to utilize bandwidth according to their requirement Supports differential delay of up to 120ms on E1 Links Complies with IEEE 802.3 specifications.

Features and Highlights Supports X.86, LAPS and HDLC transmission protocols Supports 10M / 100M, Half / Full duplex and auto-negotiate mode Frame size 1916 bytes (MTU size) Supports GFP-F encapsulation complying with ITU-T G.7041 Supports port based Ethernet bandwidth limit for ingress traffic Port based Ethernet limit allows user to provide different speed for the different customers to utilize bandwidth according to their requirement Supports differential delay of up to 120ms on E1 Links Complies with IEEE 802.3 specifications Frame size 1916 bytes (MTU size).

Features and Highlights Supports GFP-F encapsulation complying with ITU-T G.7041 Provides Automatic smooth adjustment of Ethernet bandwidth as per the availability of carrier (E1) links Provides visual alarm (LEDs) Alarm Display select switch Provides error frame statistic Supports automatic removal and addition of E1 Links without interrupting current services Available with MAC address list filtration, learning and updating functions A large external SDRAM buffering for handling data bursts E1 Interfaces support errors count Supports two synchronization clock modes, Internal clock and Network clock (Loop-Timed clock).

Management and Maintenance Management and Maintenance interfaces 10/100BaseT Ethernet management interface RS232 serial management interface Remote (Telnet) management interface Windows XP based Graphical User Interface (GUI) Windows 7 based Graphical User Interface (GUI) SNMP V2 Monitoring Engineering Order Wire (EOW) interface (RJ-11) NMS (Network Management System) for monitoring multiple units from a single / central location.

Alarms and Indicator Monitoring Power Indicator General Alarm Indicator for E1 and Ethernet Link Descriptive E1 alarm by alarms select DIP switch E1 Alarm for individual E1 port (1-16) Code Violation History (CV_HIS) Alarm on E1 port Loss Of Signal (LOS) Alarm on E1 port Group ID (GID) mismatch alarm Generic Framing Procedure (GFP_LOF) Loss Of Frame Alarm Ethernet Link Indicator Ethernet Speed Indicator Ethernet History Error Alarm (ETH_ERR) SNMP Diagnostic and Monitoring.

Applications The equipment may be used for the following purposes: Bridging Ethernet LANs over existing TDM (E1) telecom network. Extending Ethernet networks utilizing TDM (E1) landline based telecom infrastructure Using telecom network of E1s/PDH/SDH microwave etc. carrying E1s to transport Ethernet data Interconnecting DSLAMS to Central Routers over PDH/SDH telecom networks Interconnecting IP based GSM base stations Interconnecting Wi-Max base stations In all cases the equipment must be always installed and used in pairs, with one terminal being installed at either end of the network.

Application Diagram Point to point network (Shared Link Mode) LAN LAN TDM Network E1 Link E1 Link LAN LAN Ethernet over Multi E1 Ethernet over Multi E1 ROUTER ROUTER ROUTER ROUTER

Application Diagram Point to point network (Discrete Link Mode) LAN TDM Network E1 Link E1 Link LAN LAN Ethernet over Multi E1 Ethernet over Multi E1 ROUTER ROUTER ROUTER ROUTER

Front Panel Description

Tributary Status Indicators LED’s Global Indicators PWR (Green) Power indicator ALM Indication Of General Alarm CV_HIS Code Violation history LOA Indication for threshold exceeding of the differential delay GID Indication for the mismatch of the Group ID GFP_LOF Indication for the Loss of Frame (LOF) of Generic Framing Procedure ETH_ERR Indication of historical Ethernet error Tributary Status Indicators LED’s 1-16 E1 Tributary Status

Display Select Switches LOS Show LOS of E1 Signal – ON / OFF CV Show Code Violation of E1 – ON / OFF AIS Show AIS on E1 Tributary – ON / OFF LOF Show Loss Of Frames on E1 Tributary – ON / OFF ERR_OVER BER exceeding threshold – ON / OFF CRC4 Framing (CRC4) Error – ON / OFF EX_LOOP E1 Tributary Loop Back – ON / OFF VCAT_ERR VCAT Alarm – ON / OFF Config Switch RLOOP Enable / Disable Remote Loop Back ADDR0-3 NE Address Switch

Other Switches and Ports Masking Switch Mask / Unmask the E1 alarms Power Power ON / OFF Switch RS232 Management RS232 Management Port EMU Ethernet Management Port for Telnet and SNMP

Back Panel Description Ethernet (Electrical) and E1 (120 Ohms - RJ45)

Back Panel Description Ethernet (1 Optical + 3 Electrical) and E1 (120 Ohms - RJ45)

Back Panel Description Ethernet (Electrical) and E1 (75 Ohms - BNC)

Back Panel Description Ethernet (1 Optical + 3 Electrical) and E1 (75 Ohms - BNC)

Ethernet Interface Options AC and DC Power Supply Power Slot Two power Sockets, one for 110V AC - 240V AC (50/60 Hz), the other is -48V DC in 1+1 Redundant mode. Ethernet Interface Options All 4 Electrical Ethernet Ports – Standard configurations 3 Electrical + 1 Optical Ethernet Ports - Optional E1 Interface Options 120 Ohms – RJ 45 75 Ohms - BNC

Alarms and Indicator Monitoring Management Options Easy to use CLI commands through RS232 serial connection and TCP/IP TELNET connection SNMP V2 Management through MIB browser DIP switch settings given on front panel Windows XP / Windows 7 based GUI (Graphical User Interface) to access the equipment over RS232 serial connection, TCP/IP and SNMP protocol. Alarms and Indicator Monitoring SNMP based Alarms (TRAPS) event monitoring through MIB browser and NMS Visual alarm indicators in the front panel Ethernet (Data) port speed and mode status.

NMS (Networks Management System) built in GUI Monitoring and Managing multiple systems from a central location over RS232 serial connection (Local) TCP/IP TELNET and SNMP (LAN or Remotely)

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