Test patterns – Paradyne 3161-B3 User Manual

Page 132

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4. Maintenance

4-30

February 2001

3160-A2-GB21-90

4. From the Loopback Abort screen, press the desired Function key to abort All

or one specific loopback test. Use the scroll keys, if necessary.

If you select ALL, LLB, PLB, DLB, or RLB, skip Step 5.

5. From the Abort screen, press the Function key that corresponds to the port for

which you want to abort the test. Use the scroll keys, if necessary.

When abort is complete, the message

Command Complete

appears on the

Abort screen.

NOTE:

If you mistakenly choose to abort a loopback test that is not currently running,
a

Command Complete

message will still display and the loopback that is

currently active will still be running. Use the TStat branch to view the test
status to determine if the abort was successful.

Test Patterns

Use the Test Pattern commands to send, monitor, and abort test patterns.
Available test patterns are:

T

QRSS – A quasi-random signal source approximating live data that can be
monitored for logic errors (on the network and the data ports).

T

1-in-8 – A test pattern consisting of a one (1) followed by seven zeros (on the
network only).

T

511 – A pseudo-random bit sequence (PRBS) that is 511 bits long (on the
data ports only). This is a PRBS 2

9

–1 test.

F1

F2

F3

Loopback: Abort
All LLB PLB

F1

F2

F3

Abort:

Test Name

Prt1 Prt2 Prt3

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