R0106-HP MSR Router Series Interface Command Reference(V7)

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Related commands
t1 frame-format
t1 frame-format
Use t1 frame-format to set the framing format for a T1 line.
Use undo t1 frame-format to restore the default.
Syntax
t1 line-number frame-format { esf | sf }
undo t1 line-number frame-format
Default
The framing format of a T1 line is ESF.
Views
CT3 interface view
Predefined user roles
network-admin
Parameters
line-number: Specifies a T1 line number in the range of 1 to 28.
esf: Sets the T1 line to use the ESF format.
sf: Sets the T1 line to use the SF format.
Usage guidelines
You can configure this command only when the T1 line is operating in framed mode. To configure a T1
line to operate in framed mode, use the undo t1 unframed command.
Examples
# Set the framing format to SF for the T1 line 1 on T3 2/4/0.
<Sysname> system-view
[Sysname] controller t3 2/4/0
[Sysname-T3 2/4/0] t1 1 frame-format sf
Related commands
t1 unframed
t1 loopback
Use t1 loopback to enable a type of loopback for a T1 line on a T3 interface.
Use undo t1 loopback to restore the default.
Syntax
t1 line-number loopback { local | payload | remote }
undo t1 line-number loopback
Default
Loopback is disabled on T1 lines.