
Chapter 9. Transaction Language 1 (TL1)
9-34 MX2810 M13 User Manual 61185001L1-1
TL1 Loopback Commands:
The OPR-LPBK and RLS-LPBK commands are provided as an
alternative to ED commands as a way to perform loopbacks
through TL1. The general format for these commands is as follows:
OPR-LPBK-{T1|T2|T3}:<tid>:<aid>:<ctag>:<locn>,,,<lpbktype>;
RLS-LPBK-{T1|T2|T3}:<tid>:<aid>:<ctag>:<locn>,,,<lpbktype>;
The following table will describe each of the DS3 loopbacks that
can be initiated or released with these commands.
Table 9-11. DS3 TL1 Loopback Commands
The following table will describe each of the DS2 loopbacks that
can be initiated or released with these commands.
Verb MOD2 <aid> <locn> <lpbktype> Description
OPR T3 3xy NEND LINE
Initiates the DS3 Line Loopback
RLS T3 3xy NEND LINE
Releases the DS3 Line Loopback
OPR T3 3xy NEND DIGLPBK
Initiates the DS3 Digital Loopback
RLS T3 3xy NEND DIGLPBK
Releases the DS3 Digital Loopback
OPR T3 3xy NEND TERMINAL
Initiates the DS3 Network Loopback
RLS T3 3xy NEND TERMINAL
Releases the DS3 Network Loopback
OPR T3 3xy FEND LINE
Initiates the DS3 Remote Loopback
RLS T3 3xy FEND LINE
Releases the DS3 Remote LoopbacK
OPR T3 3xy FEND ALLT1
Initiates the DS3 All T1/E1 Loopback
RLS T3 3xy FEND ALLT1
Releases the DS3 All T1/E1 Loopback
RLS T3 3xy
Releases any active DS3 Loopback
For the above DS3 related commands, xy may be 00 through 03.
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