Paradyne 3160 - Manual (Page 125)

Maintenance
4-23 3160-A2-GB21-80 March 1999
Starting a Line Loopback
The Line Loopback command (LLB) loops the received signal on the network
interface back to the network without change.
496-14319-02
CSU DSU
NETWORK
INTERFACE
DTE
(DSX-1)
ALL 1s
LLB
PORT 1 PORT 2
ALL 1s
ALL
1s
"
Procedure
To perform a Line loopback:
1. From the top-level menu screen, select Test.
2. From the Test screen, select Lpbk.
F1
Test:
Rlpbk Lpbk
Ptrns
F2 F3
3. From the Loopback screen, select LLB.
F1
Loopback:
Abort
LLB PLB
F2 F3
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 for valid loopback test combinations).