Making Measurements
Performing a SONET Tributary ScanPerforming a SONET Tributary Scan
Description Tributary Scan tests each tributary for error free operation and no occurrence of Pattern Loss. A failure is indicated by highlighting the tributary in which the failure occurred. The MAIN SETTINGS , mapping setup determines the tributary structure.
The HP 37718A will configure the Transmitter to the Receiver and the PATTERN is forced to the payload it will fill.
TIP:The SONET Tributary Scan display can be logged to the chosen logging device. See "Logging on Demand " page 110.
HOW TO: | 1 | Set up the transmit and receive SONET interfaces and payload as |
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| required. See "Setting SONET Transmit Interface " page 4 and |
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| 2 | Choose the required BIT ERROR THRESHOLD. |
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| This determines the error rate above which a failure is declared. |
| 3 | Choose the required TEST TIMING. |
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| The value you choose is the test time for each individual tributary and |
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| not the total test time. |
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| For example, 28 |
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| to complete the Tributary Scan will be 28 X TEST TIMING choice. |
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