3com MSR 20-20 참조 매뉴얼
682
C
HAPTER
45: CPOS I
NTERFACE
C
ONFIGURATION
C
OMMANDS
Parameter
sdh: Sets framing format to synchronous digital hierarchy (SDH).
sonet: Sets framing format to synchronous optical network (SONET).
Description
Use the frame-format command to configure framing on the CPOS interface.
Use the undo frame-format command 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.
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.