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path ds3 t1 loopback
Syntax
path pathChannel ds3 ds3Channel t1 t1Channel loopback
{ local | network { line | payload } }
no path pathChannel ds3 ds3Channel t1 t1Channel loopback
path pathChannel ds3 ds3Channel t1 t1Channel loopback remote
{ line fdl { ansi | bellcore } | payload [ fdl ] [ ansi ] }
no path pathChannel ds3 ds3Channel t1 t1Channel loopback remote
Release Information
Command introduced before JUNOSe Release
7.1.0.
Description
Configures a loopback for a T1 channel on a DS3
signal. This command applies to a T1 channel on a DS3 over channelized
SONET interface. The no version turns off
the loopback.
Options
-
pathChannel—Number, in the
range 1–2147483648, that identifies the path
-
ds3Channel—Number, in the
range 1–3, that identifies the DS3 channel
-
t1Channel—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
- local—Loops the router output data back toward the
router at the T1 framer; on supported line modules also sends an alarm
indication signal (AIS) out toward the network.
- network { line | payload }—Specify the line keyword to loop the data back toward the network
before the T1 framer and automatically set a local loopback at the
HDLC controllers. Specify the payload keyword
to loop the payload data back toward the network at the T1 framer
and automatically set a local loopback at the HDLC controllers.
- remote line fdl ansi—Sends a repeating 16-bit ESF
data link code word (00001110 11111111) to the remote end requesting
that it enter into a network line loopback. Specify the ansi keyword to enable the remote line FDL ANSI bit
loopback on the T1 channel, according to the ANSI T1.403 specification.
- remote line fdl bellcore—Sends a repeating 16-bit
ESF data link code word (00010010 11111111) to the remote end requesting
that it enter into a network line loopback. Specify the bellcore keyword to enable the remote line FDL Bellcore
bit loopback on the T1 channel, according to the Bellcore TR-TSY-000312
specification.
- remote payload [ fdl ] [ ansi ]—Sends a repeating
16-bit ESF data link code word (00010100 11111111) to the remote end
requesting that it enter into a network payload loopback. Enables
the remote payload FDL ANSI bit loopback on the T1 channel. You can
optionally specify fdl and ansi, but it is not necessary.
Controller Configuration
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