3Com MSR 30, MSR 50 manual Ft1 fdl, Ft1 frame-format

246CHAPTER 15: T1-F INTERFACE CONFIGURATION COMMANDS

ft1 fdl

Syntax	ft1 fdl { ansi att both none }
	undo ft1 fdl
View	T1-F interface view
Parameter	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.
Description	Use the ft1 fdl command to set the behavior of the T1-F interface on the FDL in
	ESF framing.
	Use the undo ft1 fdl command to restore the default.
	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.
Example	# 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

Syntax	ft1 frame-format { esf sf }
	undo ft1 frame-format
View	T1-F interface view
Parameter	esf: Sets the framing format on the T1-F interface to ESF.
	sf: Sets the framing format on the T1-F interface to SF.
Description	Use the frame-formatcommand to set the framing format on the T1-F
	interface.
	Use the undo frame-formatcommand to restore the default, that is, esf.