R2511-HP MSR Router Series Interface Command Reference(V5)

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[Sysname-T3 2/0] t1 1 set fdl ansi
t1 set frame-format
Use t1 set frame-format to configure the framing format of a T1 line.
Use undo t1 set frame-format to restore the default.
Syntax
t1 line-number set frame-format { esf | sf }
undo t1 line-number set frame-format
Default
The framing format of a T1 line is ESF.
Views
CT3 interface view
Default command level
2: System level
Parameters
line-number: T1 line number in the range of 1 to 28.
esf: Set the T1 line to use the ESF format.
sf: Set the T1 line to use the SF format.
Usage guidelines
You can configure this command only when the T1 line is operating in framed format (which can be set
by using the undo t1 unframed command).
Examples
# Set the framing format to SF for the first T1 line on interface T3 2/0.
<Sysname> system-view
[Sysname] controller t3 2/0
[Sysname-T3 2/0] t1 1 set frame-format sf
Related commands
t1 unframed
t1 set loopback
Use t1 set loopback to set the loopback mode of a T1 line on the T3 interface.
Use undo t1 set loopback to disable the T1 line to loop back.
Syntax
t1 line-number set loopback { local | remote | payload }
undo t1 line-number set loopback
Default
Loopback is disabled on T1 lines.