Cisco Systems AS5400 Configuring Input Impedance for the E1 DFC, Configuration, Verification

Models: AS5400

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Configuring Input Impedance for the E1 DFC

Chapter 3 T1 and E1 Dial Feature Cards

Configuring Input Impedance for the E1 DFC

Note For information about configuring the T1 or E1 ports, refer to the Cisco AS5350 and Cisco AS5400 Universal Gateway Software Configuration Guide.

Configuring Input Impedance for the E1 DFC

Use the line-terminationcommand to set the input impedance for the E1 DFC.

You can set the input impedance before or after running the setup script. For information on configuring the universal gateway with the setup script, refer to the Cisco AS5350 and Cisco AS5400 Universal Gateway Software Configuration Guide.

Configuration

 

Command

Purpose

Step 1

 

 

Router> enable

Enter enable mode.

 

Password: password

Enter the password.

 

Router#

 

 

You have entered enable mode when the

 

 

prompt changes to Router#.

Step 2

 

 

Router# configure terminal

Enter global configuration mode. You have

 

Enter configuration commands, one per line.

entered global configuration mode when the

 

End

prompt changes to Router(config)#.

 

with CNTL/Z.

 

 

 

Router(config)#

 

Step 3

 

 

Router(config)# controller e1 0

Enter the controller number to configure.

 

Router(config-controller)#

 

Step 4

 

 

Router(config-controller)# line-termination

Sets the input impedance to 75 ohm for the

 

75-ohm

controller. The factory-set default is 120 ohm.

 

 

Repeat steps 3 and 4 for the other controllers.

Step 5

 

 

Router(config-controller)# Ctrl-Z

Return to enable mode.

 

Router#

 

 

%SYS-5-CONFIG_I: Configured from console by

This message is normal and does not indicate

 

console

 

an error.

 

 

 

 

 

Verification

 

 

To verify your impedance: Enter the show running-configcommand. Note that 120 ohms is the default

 

 

value and not displayed in the configuration file. The following output is an example of output after

 

 

having entered the command line-termination75-ohm.

 

 

Router# show running-config

 

 

Building configuration...

 

 

Current configuration:

 

 

!

 

 

 

 

 

version 12.0

 

 

no service pad

 

 

service timestamps debug datetime msec localtime

 

 

Cisco AS5350 and Cisco AS5400 Universal Gateway Card Installation Guide

 

 

 

 

 

 

 

78-13311-01

 

 

3-11

 

 

 

 

 

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Cisco Systems AS5400 manual Configuring Input Impedance for the E1 DFC, Configuration, Verification, Command, Purpose, 3-11