Channelized T1 Commands - Cisco 10000 Series Configuration Manual

Chapter 4 4-Port Channelized T3 Half-Height Line Card Configuration

Channelized T1 Commands

From controller configuration mode for a T3 interface, you can enter commands to modify aspects of a
T1 interface. This section describes the following:
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•
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After you configure a T1 interface, you can add encapsulation, routing, and other instructions by entering
interface configuration mode; for example:
Router(config)# interface serial 1/0/0/4:18
Setting the Framing Format
You can specify the T1 interface framing format using the following command:
[no] t1 t1-number framing
Where:
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The default framing format is extended super frame (ESF).
Use the no form of the command to return framing to its default value.
The following are examples of setting the framing format:
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Controlling Yellow Alarms
Use the t1 yellow command to turn the detection or generation of a yellow alarm on or off.
[no] t1 t1-number yellow
Where:
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OL-8834-04
Setting the Framing Format, page 4-19
Controlling Yellow Alarms, page 4-19
Setting the Clock Source, page 4-20
Configuring FDL, page 4-20
Configuring a BER Test, page 4-21
Configuring T1 Loopback Mode, page 4-22
{
t1-number is T1 interface number 1 to 28.
framing is either extended super frame (ESF) or super frame (SF). You can set SF hdlc-idle to 0x7e
or 0xff.
hdlc-idle options allow you to set the idle pattern for the T1 interface to either 0x7e (the default) or
0xff.
Set SF framing format for T1 interface 6.
Router(config)# controller T3 1/0/0
Router(config-controller)# t1 6 framing sf
Set ESF framing format for T1 interface 16.
Router(config)# controller T3 1/0/0
Router(config-controller)# t1 16 framing esf
{
detection
t1-number is T1 interface 1 to 28.
| [ {
esf sf hdlc-idle 0x7e
| }
generation
Cisco 10000 Series Router Line Card Configuaration Guide
Channelized T1 Commands
| }]}
0xff
4-19