Starting A Data Terminal Loopback; Aborting Loopbacks - Paradyne 3163 User Manual

ACCULINK 3163 DSU/CSU
Test Started appears on Line 2. If a Data Channel
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
valid loopback test combinations).
Loopback: DCLB 1
Test Started
F1

Starting a Data Terminal Loopback

The Data Terminal Loopback command (DTLB) loops
the data received from the selected port, for all DS0
channels allocated to the port, back out of the port. This
loopback occurs after the data passes through the port
circuitry but before it reaches the T1 framer.
DSU
DTLB
PORT 1
"
Procedure
To perform a Data Terminal loopback:
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, press the
the DTLB selection appears on the screen.
4-14
Table 4-5 for
F3
F2
CSU
ALL 1s
NETWORK
INTERFACE
98-15950
Ptrns
F2 F3
key until
4. Select DTLB.
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 4-5 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.
March 1999
Loopback:
RLB DCLB DTLB
F3
F1 F2
Loopback: DTLB
Test Started
F1 F2 F3
Test:
Rlpbk Lpbk Ptrns
F3
F1 F2
3163-A2-GB20-10