4. Maintenance

4. Select DTLB.

Loopback:

RLB DCLB DTLB

F1 F2 F3

5.From the DTLB screen, press the Function key for the port for which you want to perform the data terminal loopback. Use the scroll keys, if necessary.

Loopback: DTLB

Prt1 Prt2 Prt3

F1 F2 F3

Test Started appears on Line 2. If a Data Terminal 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, for valid loopback test combinations).

Aborting Loopbacks

The Abort Loopback command stops all loopback tests or any selected loopback test currently active on the DSU/CSU.

Procedure

To abort one or more loopback tests:

1.From the top-level menu screen, select Test.

2.From the Test screen, select Lpbk.

Test:

Rlpbk Lpbk Ptrns

F1 F2 F3

3. From the Loopback screen, select Abort.

Loopback:

Abort LLB PLB

F1 F2 F3

3160-A2-GB21-90

February 2001

4-29

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Paradyne 3161-B3, 3165-A2, 3164-A2, 3160-A3 manual Aborting Loopbacks