Test Commands; Remote Loopback Tests - Paradyne 3160-A4 Operator's Manual

Test Commands

The test commands enable you to run loopbacks and test patterns on the
DSU/CSU, and to test the front panel LEDs. These tests can help you isolate
areas of trouble if you are having problems with your DSU/CSU.
To access all Test commands from the Test branch, press F2 to select Test from
the top-level menu screen.

Remote Loopback Tests

The Remote Loopback tests enable you to troubleshoot your circuit by sending the
following to a far-end device:
For Networks
T
T
For Channels
T
T
T
T
You cannot perform remote loopbacks if any of the local loopbacks are active. If
you attempt to do so, the error message Invld Test Combo (Invalid Test
Combination) appears.
3160-A2-GB24-10
DSU ESF
Stat Test Cnfig
F1 F2
Line loopback up activation sequence for 10 seconds (LLBUP)
Line loopback down activation sequence for 10 seconds (LLBDN)
V.54 activation sequence to initiate a V.54 Loop 2 (54UP)
V.54 deactivation sequence to terminate a V.54 Loop (54DN)
ANSI T1.403 (Annex B) activation sequence to initiate a DCLB on the remote
device (FT1UP)
ANSI T1.403 (Annex B) deactivation sequence to terminate a DCLB on the
remote device (FT1DN)
NOTE:
The following procedures are examples only. Screen displays may vary
depending on the model and configuration of the DSU/CSU.
March 2001
F3
8. Testing
8-5