682CHAPTER 45: CPOS INTERFACE CONFIGURATION COMMANDS

Parameter

sdh: Sets framing format to synchronous digital hierarchy (SDH).

 

sonet: Sets framing format to synchronous optical network (SONET).

Description

Use the frame-formatcommand to configure framing on the CPOS interface.

 

Use the undo frame-formatcommand to restore the default, that is, SDH.

Example

# Set the framing format on interface CPOS 1/0 to SONET.

 

<Sysname> system-view

 

[Sysname] controller cpos 1/0

 

[Sysname-Cpos1/0] frame-format sonet

loopback

Syntax

loopback { local remote }

 

undo loopback

View

CPOS interface view

Parameter

local: Internal loopback, used for testing the physical interface itself.

 

remote: External loopback, used for testing the cable connected to the interface.

Description

Use the loopback command to configure the loopback mode on the CPOS

 

interface.

 

Use the undo loopback command to remove a loopback.

 

By default, loopback is disabled.

 

Loopback is intended for test use. Disable it otherwise.

Example

# Enable external loopback on interface CPOS 1/0.

 

<Sysname> system-view

 

[Sysname] controller cpos 1/0

 

[Sysname-Cpos1/0] loopback remote

multiplex mode

Syntax multiplex mode { au-3 au-4 } undo multiplex mode

View CPOS interface view

Parameter au-3: Gets AUG through AU-3.

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3Com MSR 30, MSR 50 manual Multiplex mode, # Set the framing format on interface Cpos 1/0 to Sonet