T1 Set Loopback; T1 Shutdown - H3C MSR 20-20 Command Reference Manual

686 C 45: CPOS I
HAPTER
Example

t1 set loopback

Syntax
View
Parameter
Description
Related command:
Example

t1 shutdown

Syntax
View
Parameter
C C
NTERFACE ONFIGURATION OMMANDS
Use the undo t1 set frame-format
# Set the framing format of T1 channel 1 to SF.
<Sysname> system-view
[Sysname] controller cpos 1/0
[Sysname-Cpos1/0] t1 1 set frame-format sf
t1 t1-number set loopback { local | payload | remote }
undo t1 t1-number set loopback
CPOS interface view
t1-number: Number of a T1 channel on the CPOS interface, in the range 1 to 84.
local: Enables internal loopback.
payload: Enables external payload loopback.
remote: Enables external loopback.
Use the
t1 set loopback
channel.
Use the
undo t1 set loopback
By default, loopback is disabled.
Loopback is intended for test use. Disable it otherwise.
display controller cpos t1.
# Enable external loopback on T1 channel 1.
<Sysname> system-view
[Sysname] controller cpos 1/0
[Sysname-Cpos1/0] t1 1 set loopback payload
t1 t1-number shutdown
undo t1 t1-number shutdown
CPOS interface view
t1-number: Number of a T1 channel on the CPOS interface, in the range 1 to 84.
command to restore the default, that is, ESF.
command to configure the loopback mode of the T1
command to remove a loopback.