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clock source
description
framing
is greater than 225 feet. For example, if your cable size exceeds 225 feet, specify
any number greater than 225 (and less than 451).
Example
host1(config-controll)#cablelength 300
Use the no version to restore the default value, 0 feet.
See cablelength.
Use to configure the transmit clock source for a T3 controller.
Configure one end of the line as internal and the other end as line.
Specify the keyword line to use a transmit clock recovered from the line's receive
data stream.
Specify the keywords internal module to use the line module's internal clock
as the transmit clock.
Specify the keywords internal chassis to use the router's clock as the transmit
clock.
Example
host1(config-controll)#clock source internal module
Use the no version to revert to the default, line.
See clock source.
Use to assign a text description or an alias to a channelized T3 interface.
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.
Example
host1(config-controll)#description toronto ct3 interface
Use the no version to remove the text description or alias.
See description.
Use to configure the framing format for a T3 controller.
Specify either m23 or c-bit framing.
Choose the framing format that is compatible with the framing format of the
Telco network device at the other end of the line.
Chapter 1: Configuring Channelized T3 Interfaces
Configuration Tasks
13
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