3 Interface Modem

Product Features :

  • Interfaces : E1, V.35 and Ethernet.
  • All Interfaces can be configured to work simultaneously.
  • In unframed mode any one of the interface can be operable.
  • Time slot allocation for each interface in framed mode.
  • Menu Driven time slot assignment.
  • Provides multi stage line protection as per K.20 and K.21.
  • External Secondary optional Line Protection Device.
  • Long reach up to 11Km for standard 64Kbps speed.
  • Interchangeable user interface cards in the same modem and field upgradeability.
  • Support for Balanced and Unbalanced operation for G703 E1.
  • The same V35/Ethernet RT modem should work with G703E1 or G703 Co-Dir COT modem.
  • User interface cards can be ordered optionally depending on the field requirement.
  • Noise Margin Indication for sensing line quality.
  • AC and DC built-in power supply.

Technical Specifications :

G.SHDSL Line Interface

  • Line type : 2Wire (single pair operation).
  • Line Code : TCPAM as per the ITU-T G991.2.
  • Line Impedance : 135 Ohms.
  • Connector : RJ45.
  • Transmit Signal Power : 3.5dBm +/- 0.5dBm.
  • Operating Range : 6Km on 0.5mm dia copper cable @ 2.048Mbps in 2 wire operation, 7.5Km on 0.5mm dia copper cable @ 2.048Mbps in 4 wire operation and 11Km on 0.5mm dia copper cable @ 64Kbps in 2 wire operation.
  • Line protection : As per ITU-T K20 and K21.
  • Transmit Level : Upto 14dBm.
  • Line Code transmission.
  • Specification : ANSI T1.601.
  • Connector : RJ 45 and 3 Pin terminal Block.

Pluggable Digital User Interfaces

  • G703 E1.
  • V35 / RS530 / X.21.
  • 10/100Mbps Ethernet.
  • G703 Co-dir.
  • Interchangeable digital interface cards in given modem.
  • The same V35 modem should work with G703E1 or G703 Co-Dir modem.
  • The same Ethernet modem should work with G703E1 or G703 Co-Dir modem.

G703 E1 Interface Specifications

  • Line Rate : 2048 Kbps.
  • Line Code : HDB3.
  • Interface : E1 Interface as per ITU-T G.703, G.704.
  • Impedance : 120 Ohms (Balanced), Optional : 75 Ohms (Unbalanced).
  • Connector : RJ45 for Balanced and BNC for Unbalanced.
  • Clock Mode : Internal clock or G.703 Recovered clock.
  • Framed and Unframed Operation.
  • User selectable CRC-4 Generation and Detection.

V35 Interface Specifications

  • Interface Type : V35.
  • Connector : V34 Pin Female Connector.
  • Data Rates : 2.304 Mbps (nX64 Kbps, n=1 to 36).
  • Clock Modes : Internal clock, Line Recovered clock or External clock.
  • Connector : RJ45 for Balanced and BNC for Unbalanced.
  • Clock Mode : Internal clock or G.703 Recovered clock.
  • Framed and Unframed Operation
  • User selectable CRC-4 Generation and Detection

Ethernet Interface Specifications

  • Interface Compliance : IEEE802.3 Compliant.
  • 10Base-T and 100Base-TX support.
  • 2 K MAC address level filtering.
  • Transparent Ethernet Bridge, Auto learning and aging.
  • Auto Speed Sensing.
  • Auto polarity detection.

G703 Co-Dir Interface Specifications

  • ITU-T 703 4 wire Co-Directional interface.
  • Speed : 64Kbps.
  • Line Code : AMI.
  • Connector : RJ 45 or Terminal block.
  • Clock Mode : Internal clock or G.703 Recovered clock.

Diagnostic Tests

  • Local Loopback, Digital Loopback and Remote Loopback as per the V.54.
  • Built in test 511 pattern generation and checking.
  • Diagnostics & Monitoring through EOC Channel without interfering data transmission.
  • Loop backs, test pattern generation and checking using front panel switches.

Modem Configuration

  • Menu Driven Console RJ-45.
  • Baud Rate Selection from nx64 Kbps up to 2048 Kbps.
  • Remote Configuration of slave modem from master modem.
  • Remote status & Alarms from master to slave as well as slave to master.

Management

  • Management using Telnet, Command Line, SNMP.

LED indications

  • PWR, MR, COT, DSL LINK, E1 SYN, DTR, ETH LINK ACT, AIS, RTS, SPD, PAT, ERR, TST.

Built-in Power

  • DUAL MODE AC/DC, 230VAC +/- 10% & 48VDC +/-10%

Temperature

  • -5 To 50C

Humidity

  • Upto 95% non condensing at 35C