268CHAPTER 17: FUNDAMENTAL CT3 INTERFACE CONFIGURATION COMMANDS

Example # Use the internal clock as the clock source on CT3 interface T3 2/0.

<Sysname> system-view

[Sysname] interface t3 2/0

[Sysname-T3 2/0] clock master

controller t3

Syntax controller t3 interface-number

View System view

Parameter interface-number: CT3 interface number.

Description Use the controller t3 command to enter CT3 interface view.

Related command: display controller t3.

Example # Enter the view of interface T3 2/0.

<Sysname> system-view

[Sysname] controller t3 2/0

[Sysname-T3 2/0]

crc

Syntax

crc { 16 32 none }

 

undo crc

View

Synchronous serial interface view

Parameter

16: Adopts 16-bit CRC.

 

32: Adopts 32-bit CRC.

 

none: Adopts no CRC.

Description

Use the crc command to configure CRC mode for the serial interface formed on

 

CT3 interfaces.

 

Use the undo crc command to restore the default, that is, 16-bit CRC.

 

These two commands apply to serial interfaces formed on T3 channels, T1

 

channels, and the interfaces formed by binding slots of T1 channels.

Related command: t1 channel-set,t1 unframed, using (CT3 interface view).

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3Com MSR 30, MSR 50 Controller t3, Related command display controller t3, Example # Enter the view of interface T3 2/0