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Cisco AS5350 and Cisco AS5400 Universal Gateway Card Installation Guide
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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-termination command 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
Verification
To verify your impedance: Enter the show running-config command. 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-termination 75-ohm.
Router# show running-config
Building configuration...
Current configuration:
!
version 12.0
no service pad
service timestamps debug datetime msec localtime
Command Purpose
Step 1
Router> enable
Password:
password
Router#
Enter enable mode.
Enter the password.
You have entered enable mode when the
prompt changes to
Router#.
Step 2
Router# configure terminal
Enter configuration commands, one per line.
End
with CNTL/Z.
Router(config)#
Enter global configuration mode. You have
entered global configuration mode when the
prompt changes to
Router(config)#.
Step 3
Router(config)# controller e1 0
Router(config-controller)#
Enter the controller number to configure.
Step 4
Router(config-controller)# line-termination
75-ohm
Sets the input impedance to 75 ohm for the
controller. The factory-set default is 120 ohm.
Repeat steps 3 and 4 for the other controllers.
Step 5
Router(config-controller)# Ctrl-Z
Router#
%SYS-5-CONFIG_I: Configured from console by
console
Return to enable mode.
This message is normal and does not indicate
an error.