Procedure; Verifying Oc-3 Tributary Sonet Test Set Performance - Nortel SONET AccessNode Manual

3-4 Tributary and optical tests for VTBM rings

Procedure 3-1

Verifying OC-3 tributary SONET test set performance

Use this procedure to verify OC-3 SONET test set performance. This
verification is necessary so that reliable results can be obtained when carrying
out tests on a system equipped with OC-3 tributaries.
This procedure describes settings for HP test sets. Other brands of test sets use
similar settings.
Requirements
You need the following equipment for this procedure.
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•
•
Action
Step
SONET test set
1
2
3
AccessNode Vol 3B 323-3001-221 Issue 2.0
one (1) HP 37704A SONET test set or equivalent, with an HP37776A
(OC-12) optical interface
one (1) miniature variable optical attenuator (mVOA) NT4E
one (1) optical patch cord
Action
Set the Power switch to on
Set the Transmit Out settings, as follows:
Transmit signal:
Clock sync:
STS SPE under test:
Payload:
Framing:
Pattern:
Set the Error Inject controls, as follows:
Type:
Error Rate:
OC-3
Looptimed or external BITS (as appropriate)
1
DS3
M13
PRBS
STS path CV
OFF
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