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.
LED/LCD front panel as an option.
Status monitoring using SNMP & TELNET.
Rugged Metallic Aluminum casing.
AC and DC built-in power supply.
G.SHDSL LINE INTERFACE Specifications:
Line type : 2Wire (single pair operation).
Line Code : TCPAM as per the ITU-T G991.2 .
Line Impedance : 135 Ohms
Connector : RJ 45
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
Line Code transmission.
Transmit Level : Upto 14dBm
Specification : ANSI T1.601.
Connector : RJ 45 and 3 Pin terminal Block.
Pluggable Digital User Interfaces :
G703 E1.
V35 / RS530 / X.21.
2/4 Port Ethernet Switch.
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 : V35.
Connector : V34pin Pin Female Connector
Data Rates : 2.304 Mbps (n*64 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 :
No. of Ethernet ports : 2/4 (2/4 Port Switch), RJ45 connectors for UTP cables
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
Diagnostics:
Local Loopback, Digital Loopback and Remote Loopback as per the ITU-T V.54 standard.
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.
SNMP Management Port & TELNET.
MODEM CONFIGURATION:
Management port operating speed 9600, No Parity and stop Bit and also using Dipswitch settings.
Configuration & Status Monitoring through SNMP, LCD & TELNET Ethernet Port
Status Monitoring:
Using SNMP and TELNET
MODEM LED INDICATIONS:
PWR, MR, COT, DSL LINK, E1 SYN/DTR/ETH LINK ACT, AIS/RTS/SPD, PAT, ERR, TST, NMR
Built-In Power :
DUAL MODE AC/DC, 230VAC +/- 10% & –48VDC +/-10%
TEMPERATURE :
-5 To 50°C
HUMIDITY:
Upto 95% non condensing
