TEAMLINK Bridging Terminal server is a versatile and high performance system that provides the 4/8/16 asynchronous RS232 ports, One console port and 4 port built-in Ethernet switch.

It enables the users to remotely login the system using the rlogin and telnet and TCP/IP network over the V.35 Interface

       Product Features     

Key Features

Connecting the RS232 Terminal Ports using the TCP/IP protocols

Connecting through the Telnet and Remote Login using the TCP/IP Protocols over the 10/100 Mbps Ethernet Interface

Connecting the Remote Host systems after power on using the implicit connections

15KV ESD Protection on Each Terminal port for the Rugged Operating conditions

Configuration and status Monitoring is from menu driven console and Telnet port with the multiple telnet sessions

1500V AC Isolation protection on Transmit, Receive and Ground connections of all Asynchronous ports

Supports Answer back codes on each terminal ports

Supports Answer back code Enable and Disable Facility for each Terminal Port

Supports TCP Client and Server , Telnet client and Server Options, Rlogin client

Implicit , Fixed, switched Mode of configuration on each Terminal Port

Domain Name Service Facility enables flexible host name to IP address mapping from DNS servers

Facility to switchover from One server to another server in case of failure

The unit works in PRS/UTS environment of Indian Railways

The unit can be used as a local Terminal Server for RS232 and Ethernet DTEs or as a Remote Terminal Server with Bridging for RS232 and Ethernet DTEs

Technical Specifications :

Terminal Ports:

Number of Ports: 4/8/16

Compliance :RS232 Asynchronous

Connector Type: RJ45 with the TXD, RXD, GND signals

Terminal Port Speed : Speed 4800 bps to 115200 bps (Selectable)

Indications: Transmit and Receive

Implicit or switched Mode of connections between each Terminal port and the Host.

Supports Multiple Sessions and Each Terminal Port will supports 8 sessions

Allows the switching between Multiple sessions

Status Display of Each Terminal Ports for the Sessions status and current sessions

Ports Statistics ( Over run errors , Parity Errors etc )

1500 VAC Isolation Protection on each Terminal Port

Protocols Supported:





Supports WAN Protocols SLIP, CSLIP

TELNET Client, RLOGIN Client, TCP Client, TELNET Server B12TCP Server

Ethernet PORT Specifications:

Built in 4 Port Ethernet Switch

Supports Auto negotiation on each port

Supports 10 Mbps and 100 Mbps speeds According to the ITU-T 802.3 u

10Mbps / 100Mbps Half Duplex / Full Duplex Flow control Operation

Compliant to IEEE802.3 and IEEE802.3 u, IEEE802.3x 100 Base-TX standards

Supports Auto Cross Over and Auto MDI-X Option

RJ 45 Connector

Having the Speed and Ethernet Link/ Activation (Data Traffic Activity) on Each Port for easy visual checking of the port speed and Link status

Port Statistics : Transmit and Received packets Transmit and Received errors

Port Status : Port Name, Link-Up/Down/Disable speed, Half/Full duplex

V35 PORT Specifications:

No. of Bridging Ports : 1

Interface Type : V35 Interface for connecting to external leased line Modem (MLLN or traditional)

Connector Type : DB25 Pin/V35 Connector

Data Rate Supported : Supports Nx64 Data Rate from 64 Kbps to 2048Kbps

Speed : 64K bps to 2 Mbps

Speed Adopted to the Clock Rate of the V35 Interface. Does not require the speed configuration to the V35 Interface

Indications : DTR,RTS,DSR,CTS

Receive Clock Polarity change Option for the compatibility with different makes of V35 Modems

Transmit, Receive, Link status


Configuration and Status Monitoring of the Terminal Server using Menu driven console or by TELNET over the network Supervisory using the 9.6Kbps, 8Bit no parity RS232 Port

The RS232 Console/ Supervisory is compliant with the ITU-T V.24 / EIA RS232 Asynchronous Format

Allows the Multiple Telnet sessions for the concurrent Operations from different administrators

Menu based, Self guided Password Protection on the console and Telnet to prevent the unauthorized person’s login into the terminal servers

Firmware Up gradation is using the FTP Protocol

Local Prompt on each Terminal Port

Character Format : Min 4800 bps to Max 115200 bps (Selectable)

Connector : RJ-45 Socket

Supports SNMP V1 and V2


Port Level Statics, Diagnostics & Monitoring facility

Port reliability feature

Sending the Message on Terminal Ports

Port Level Error statistics Parity Errors, Over Run Errors etc

Trace Route from Console and the Each Port for easy checking of the Ethernet connectivity from Terminal server to the Remote Host.

Ping facility from Terminal Ports

Front Panel Indications :

Transmit and Receive on each RS232 Terminal Port

Link and Speed on each Ethernet Port

Power Supply:

190V AC to 270V AC Operation.

47Hz to 53Hz Frequency.

Redundant Power supply is an ordering time Option.


Operating Temperature : -5 to +55°C

Operating Humidity : 5% to 99%


Rugged Metallic Aluminum Casing

19” Rack Mountable system 1U Height

Bridging Terminal Server Applicaton Diagramme

Number of Ports:16

190V AC to 270V AC Operation.

47Hz to 53Hz Frequency.

Protection : 15KV ESD Protection on Each Terminal Port

Supports 10 Mbps and 100 Mbps speeds According to the ITU-T 802.3 u

Port Based VLAN

Compliance :RS232 Asynchronous

Supports SNMP V1 and V2

Built in 8 PORT Ethernet switch ordering time Option