Setting The Clock Source - Cisco 10000 Series Configuration Manual

Chapter 4 4-Port Channelized T3 Half-Height Line Card Configuration
Examples of configuring MDL messages follow:
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Setting the Clock Source

At the prompt, set the internal or line clock source for the selected T3 controller using the clock source
command. This command is set in controller configuration mode.
clock source {internal | line}
Where:
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The default is clock source internal.
In this example, a T3 controller is instructed to use a line clock source.
Router(config)# interface serial 1/0/0
Router(config-if)# clock source line
Note The clock source cannot be specified as line on both ends of the connection.
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Enable the MDL path message transmission.
Router(config)# interface serial 1/0/0
Router(config-if)# mdl transmit path
Enable the MDL idle signal message transmission.
Router(config-if)# mdl transmit idle-signal
Enable the MDL test signal message transmission.
Router(config-if)# mdl transmit test-signal
Enter the equipment identification code.
Router(config-if)# mdl string eic router A
Enter the location identification code.
Router(config-if)# mdl string lic test network
Enter the frame identification code.
Router(config-if)# mdl string fic building b
Enter the unit identification code.
Router(config-if)# mdl string unit abc
Enter the facility identification code.
Router(config-if)# mdl string pfi string
Enter the port number to send in the MDL idle signal message.
Router(config-if)# mdl string port string
Enter the generator number to send in the MDL test signal message.
Router(config-if)# mdl string generator string
internal specifies that the internal clock source is used.
line specifies that the network clock source is used.
Cisco 10000 Series Router Line Card Configuaration Guide
Unchannelized T3 Commands
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