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Test Plan for Optical Grooming Switches - Light Reading

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<strong>Test</strong> <strong>Plan</strong> <strong>for</strong> <strong>Optical</strong> <strong>Grooming</strong> <strong>Switches</strong><br />

3. Set up an additional STS-1 trail from PAR#9-LA#8<br />

4. Confirm that all trails are error free and that switch management system shows<br />

circuits routed between Paris and LA.<br />

Expected result:<br />

The switch should groom such that the final STS-1 takes the place of unequipped<br />

STS-1s.<br />

Any other comments:<br />

None<br />

END OF BLOCK 6<br />

BLOCK 7. SONET to SDH conversion and High Order SONET STS-1 to Lower Order SDH AU3<br />

<strong>Test</strong> Block description:<br />

Investigation of SONET to SDH conversion.<br />

Procedure:<br />

Blocks of tests to proceed in sequence from TCA40 to TCA041.<br />

<strong>Test</strong> equipment needed:<br />

Two SONET/SDH test sets.<br />

Switch management system.<br />

Computer running Exact <strong>Test</strong> software interfacing to testers.<br />

<strong>Test</strong> equipment placement and set-up:<br />

A SONET/SDH protocol tester to monitor traffic at Port A (PAR#8).<br />

A SONET/SDH protocol tester to monitor traffic at Port B (LA#8)<br />

TCA040: SONET OC-12 circuit conversion to SDH STM-4<br />

Purpose:<br />

To confirm the correct conversion of a SONET circuit to an SDH circuit<br />

<strong>Test</strong> method:<br />

1. Start off with Configuration A, with no trails configured.<br />

2. Using switch management system, configure client interface PAR#8 as SDH<br />

3. Using switch management system, configure client interface LA#8 as SONET<br />

4. Connect SDH tester to configured SDH client interface<br />

5. Connect SONET tester to configured SONET client interface<br />

6. Using switch management system, create STS-12c/VC4-4c trail from PAR#8-LA#8<br />

7. Confirm creation of trail.<br />

Expected result:<br />

• SONET and SDH testers report error free transmission.<br />

Any other comments:<br />

None<br />

TCA041: STS-1 SPE SONET circuit will be set up to be converted to a VC3 SDH<br />

circuit.<br />

Purpose:<br />

35

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