3com MSR 20-20 참조 매뉴얼

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C
HAPTER
 13: F
UNDAMENTAL
 CT1/PRI I
NTERFACE
 C
ONFIGURATION
 C
OMMANDS
error-diffusion restraint restart-channel
Syntax
error-diffusion restraint restart-channel serial interface-number:set-number
View
System view
Parameter
serial interface-number:set-number: Specifies a channel formed on a CE1/PRI 
interface. The interface-number argument is a CE1/PRI interface number, and the 
set-number argument is a channel set number.
Description
Use the error-diffusion restraint restart-channel command to bring up a 
channel previously shut down by the error packet diffusion restraint function.
n
The support of this command varies with device model.
This command applies to CT1/PRI interfaces and CE1/PRI interfaces only.
Example
# Bring up channel Serial 2/0:0 (assuming that the channel is shut down by the 
error packet diffusion restraint function).
<Sysname> system-view
[Sysname] error-diffusion restraint restart-channel serial 2/0:0 
fdl
Syntax
fdl { ansi | att | none }
undo fdl
View
CT1/PRI interface view
Parameter
ansi: Implements ANSI T1.403 FDL.
att: Implements AT&T TR 54016 FDL.
none: Disables facilities data link (FDL).
Description
Use the fdl command to set the behavior of the CT1/PRI interface on the FDL in 
ESF framing.
Use the undo fdl command to restore the default.
By default, FDL is disabled (none).
FDL is an embedded 4 kbps overhead channel within the ESF format for 
transmitting performance statistics or loopback code.
Example
# Implement AT&T TR 54016 FDL on interface T1 2/0.