Serial Interface; Connecting Network Cables - Nortel Secure Router 3120 Installation Manual

Serial Interface

The Serial module on the front panel of the Secure Router 3120 provides
two or four ports for connecting to Serial interfaces. The port connectors
can support the following cable interfaces:
•
•
•
•
•
•
You can configure the serial mode on the Secure Router 3120 Serial
interface to support any of the cables listed using the cable_type
command. You can also use the mode command to specify whether the
interface is in DCE or DTE operational mode (the default mode is DTE).
When the Secure Router 3120 is powered on with a serial configuration,
the serial interface software polls the port hardware status 10 times per
second to ensure the connected cables match the port configurations.
If a connected cable does not match the cable type and operational
mode settings, the LED turns red and the port hardware is disabled, thus
preventing damage to internal and external hardware components.
Copyright © 2005-2007, Nortel Networks
.

Connecting Network Cables

V.35 (default)
X.21
RS-232
RS-449
EIA-530
EIA-530A
Note: To modify the default interface mode (V.35) or default operational
mode (DTE), you must first reconfigure the interface and then reboot
the Secure Router 3120.
Secure Router 3120
Installation Guide
NN47260-300 02.01 Standard
9.2 10 January 2007
Connecting to the Network 33
—End—
Nortel Networks Confidential