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Test patterns, Sending test patterns – Paradyne 3163 User Manual

Page 67

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Monitoring and Testing

4-15

3163-A2-GB20-10

March 1999

3. From the Loopback screen, select Abort.

F1

Loopback:
Abort

LLB

PLB

F2

F3

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.

F1

Loopback: Abort
All

LLB

PLB

F2

F3

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:

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

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

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.

Sending Test Patterns

Use the Send command to start transmission of a test

pattern.

Only one test pattern can be active at a time.

"

Procedure

To send a test pattern:

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

2. From the Test screen, select Ptrns.

F1

Test:
Rlpbk Lpbk

Ptrns

F2

F3

3. From the Patterns screen, select Send.

F1

Patterns:
Abort

Send

Mon

F2

F3

4. From the Patterns Send screen, press F1 to send a

QRSS pattern, F2 to send a 1-in-8 pattern, F3 to
send a 511 pattern.

F1

Patterns: Send
QRSS

1in8

511

F2

F3

If you send a 1-in-8 pattern, skip Step 5.