T1 Set Frame-Format; T1 Set Loopback - H3C SR6600 Command Reference Manual

sdh: Specifies the trace byte in SDH format.
sonet: Specifies the trace byte in SONET format.
j2-string: Low-order channel trace byte (J2) to be set, a string of 1 to 15 characters (in SDH format) or of
1 to 62 characters (in SONET format).
Description
Use the t1 set flag command to set the overhead bytes for a T1 channel.
Use the undo t1 set flag command to restore the default T1 channel overhead bytes.
By default, C2 is 0x02 and J2 is cyclic null.
Examples
# Set C2 to 0x7 for the T1 channel numbered 3 of CPOS 1/0/0 interface.
<Sysname> system-view
[Sysname] controller cpos 1/0/0
[Sysname-Cpos1/0/0] t1 3 set flag c2 7

t1 set frame-format

Syntax
t1 t1-number set frame-format { esf | sf }
undo t1 t1-number set frame-format
View
CPOS interface view
Default Level
2: System level
Parameters
t1-number: Number of a T1 channel on the CPOS interface, in the range 1 to 84.
esf: Sets the T1 channel to use the extended super frame (ESF) format.
sf: Sets the T1 channel to use the super frame (SF) format.
Description
Use the t1 set frame-format command to set the framing format for T1 channel.
Use the undo t1 set frame-format command to restore the default, that is, ESF.
Examples
# Set the framing format of T1 channel 1 to SF.
<Sysname> system-view
[Sysname] controller cpos 1/0/0
[Sysname-Cpos1/0/0] t1 1 set frame-format sf

t1 set loopback

Syntax
t1 t1-number set loopback { local | payload | remote }
undo t1 t1-number set loopback
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