Starting A Line Loopback - Paradyne 3160-A3 Operator's Manual

Starting a Line Loopback

The Line Loopback command (LLB) loops the received signal on the network
interface back to the network without change.
Procedure
To perform a Line loopback:
3160-A2-GB21-90
DSU
DTE
ALL
(DSX-1)
1s
ALL 1s ALL 1s
PORT 2 PORT 1
1. From the top-level menu screen, select Test.
2. From the Test screen, select Lpbk.
Test:
Rlpbk Lpbk
F1
3. From the Loopback screen, select LLB.
Loopback:
Abort LLB
F1
Test Started appears on Line 2. If a line loopback is already in progress,
the Already Active message appears. If an invalid combination of
loopbacks is in progress, the error message Invld Test Combo appears
(see Table 4-8, Valid Loopback
combinations).
February 2001
CSU
NETWORK
LLB
INTERFACE
496-14319-02
Ptrns
F2 F3
PLB
F2 F3
Combinations, for valid loopback test
4. Maintenance
4-23