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controller t3
t1 clock source
t1 description
Use to specify a T3 controller in slot/port format.
slot Number of the slot in which the line module resides in the chassis
port Number of the port on the I/O module
Example
host1(config)#controller t3 0/1
There is no no version.
See controller t3.
Use to configure the transmit clock source for T1 channels.
The router supports internal and line clocking.
If you specify internal clocking, the interface transmits data using the line
module or the chassis as the internal clock. You must specify one of the
following for internal clocking:
module Specifies internal clock is from the line module itself
chassis Specifies internal clock is from the configured router clock
If you specify line clocking, the interface transmits data with a clock recovered
from the line's receive data stream.
Example
host1(config-controll)#t1 2,4-10 clock source line
Use the no version to restore the default value, line.
See t1 clock source.
Use to assign a text description or an alias to T1 or fractional T1 channels on a
CT3 module.
You can use this command to help you identify the interface and keep track of
interface connections.
The description or alias can be a maximum of 80 characters.
Use "show controllers t3" on page 30 to display the text description.
Examples
host1(config-controll)#t1 2 description london t1 interface
host1(config-controll)#t1 2/1 description london first ft1 interface
Use the no version to remove the text description or alias.
See t1 description.
Chapter 1: Configuring Channelized T3 Interfaces
Configuration Tasks
15
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