Juniper JUNOSE 11.1.X - COMMAND REFERENCE N TO Z 4-6-2010 Command Reference Manual page 1297

t1 fdl
t1 channel fdl { ansi | att | all | none }
Syntax
no t1 channel fdl [ ansi | att | all ]
Command introduced before JUNOSe Release 7.1.0.
Release Information
Specifies the FDL standard used by a specific T1 channel on the CT3 interface. The
Description
no version restores the default, none.
Options
Controller Configuration
Mode
channel One or more individual T1 channels, ranges of T1 channels, or
combination of individual channels and ranges, in the range 1–28 (no spaces);
for example, 3,7-15,19-13,27
ansi Specifies ANSI T1.403 Standard for extended superframe FDL exchange
support
att Specifies AT&T Technical Reference 54016 for extended superframe FDL
exchange support
all Specifies both the AT&T and ANSI mode for extended superframe FDL
exchange support
none Removes the current FDL mode settings
Chapter 8: T Commands
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t1 fdl