H Test Patterns; Sending Test Patterns - Paradyne 3166 User Manual

Monitoring and Testing
Test Patterns

Sending Test Patterns

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Use the Test Pattern commands to send, monitor, and abort test patterns.
Available test patterns are:
H
QRSS – A quasi-random signal source approximating live data that can be
monitored for logic errors (on the network and the data ports).
H
1-in-8 – A test pattern consisting of a one (1) followed by seven zeros (on the
network only).
H
511 – A pseudo-random bit sequence (PRBS) that is 511 bits long (on the
data ports only). This is a PRBS 2
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.
Test:
Rlpbk Lpbk
F1
3. From the Patterns screen, select Send.
Patterns:
Abort Send
F1
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.
Patterns: Send
QRSS 1in8
F1
If you send a 1-in-8 pattern, skip Step 5.
March 1999
9
–1 test.
Ptrns
F2 F3
Mon
F2 F3
511
F2 F3
3166-A2-GB20-20