Ft1 Frame-Format; Ft1 Fdl - H3C MSR 20-20 Command Reference Manual

246 C 15: T1-F I
HAPTER

ft1 fdl

Syntax
View
Parameter
Description
Example

ft1 frame-format

Syntax
View
Parameter
Description
C C
NTERFACE ONFIGURATION OMMANDS
ft1 fdl { ansi | att | both | none }
undo ft1 fdl
T1-F interface view
ansi: Adopts ANSI T1.403 for FDL.
att: Adopts AT&T TR 54016 for FDL.
both: Adopts both ANSI T1.403 and AT&T TR 54016 for FDL.
none: Disables FDL.
Use the
ft1 fdl
ESF framing.
Use the
undo ft1 fdl
By default, FDL is disabled.
FDL is an embedded 4 kbps overhead channel within the ESF format for
transmitting performance statistics or loopback code.
You can however change the setting depending on the setting at the far end.
# Implement ANSI T1.403 FDL on T1-F interface Serial 2/0.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] ft1 fdl ansi
ft1 frame-format { esf | sf }
undo ft1 frame-format
T1-F interface view
esf: Sets the framing format on the T1-F interface to ESF.
sf: Sets the framing format on the T1-F interface to SF.
Use the
frame-format
interface.
Use the undo frame-format
command to set the behavior of the T1-F interface on the FDL in
command to restore the default.
command to set the framing format on the T1-F
command to restore the default, that is, esf.