Nortel Communication Server 1000E Maintenance Manual page 20

20 Communicating with the system
The Terminal Server provides an rlogin service that allows serial devices
to establish dedicated connections to pseudo TTY (PTY) ports on the Call
Server. (The Terminal Server therefore serves the same purpose as Serial
Data Interface [SDI] and Multipurpose Serial Data Link [MSDL] cards in
Large Systems.) You can telnet through the Terminal Server to individual
components on the ELAN subnet, and therefore obtain maintenance
access for each device. You can also access the Terminal Server from a
remote PC by dialing the onboard modem.
As the Terminal Server is configured to automatically log in to the active
Call Server upon startup, only one Terminal Server is required for each
Call Server pair.
While the Terminal Server is needed for serial port access to the Call
Server, it can also be optionally configured to provide access to Media
Gateway 1000T (MG 1000T) serial ports for maintenance purposes.
For more details on installing and configuring the Terminal Server, see
Communication Server 1000E Installation and Commissioning .
System terminal
When a system terminal is installed locally, it is typically connected to
a serial port on the Terminal Server. This ensures continued access to
the active Call Server. When a system terminal is installed at a remote
location, a modem and a telephone line are required between the system
terminal and the Terminal Server.
Figure 1 "CS1000E local and remote access system terminals" (page
20) shows a typical system terminal configuration to the Call Servers.
Figure 1
CS1000E local and remote access system terminals
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 04.01 4 June 2010
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