Test Plan for Optical Grooming Switches - Light Reading

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Equipment needed: 4 SONET test sets Test Plan for Optical Grooming Switches Test method: 1. Follows on from successful completion of TCB005 2. Confirm that lockout is still in place and that circuits are correctly routed and all test sets are error free 3. Break PAR#1-LA#1 fibre Expected result • Within 10 seconds alarm should be raised indicating location of fibre break • Both the OC3 and OC12c circuits will see a brief loss of traffic – the duration of which will be recorded in each case • Switch management system should clearly show that neither trail has been routed/switched onto PAR#5-LON#1 fibre. The actual routing will be recorded for each trail. Other comments: Depending on supplier implementation either protection switching or mesh restoration may occur here – and it may be different for the OC3 and OC12c circuits. An obvious measure of success is that the shorter the loss of traffic the better. TCB007: Confirm that when lockout is removed the management system allows easy reoptimisation of network. Test purpose: Following successful completion of TCB006, the network is in a complex, dual-fault situation with quite tortuous circuit routings. Once all faults are repaired, it is important that the operator can easily use the management system to reoptimise circuit routings. Equipment needed: 4 SONET test sets Test method: 1. Follows on from successful completion of TCB006 2. First confirm that the results of TCB006 are fully and accurately documented 3. Repair the PAR#5-LON#1 fibre and record any traffic loss and reports/alarms on management system 4. Remove the lockout on PAR#5-LON#2 fibre and record any traffic loss and reports/alarms on management system 5. Use the management system to automatically reoptimise the network configuration and circuit routing 6. Note durations of any loss of traffic and confirm circuit routings are back to initial state Expected result: • There should be as little impact on traffic as possible • The automatic reoptimisation process should be easy and intuitive – should take BTexact no more than 10 minutes • At the completion of the test the network should be in a stable state – error free, alarm free and with the circuits returned to their original optimal routings END OF BLOCK OF 14 50
BLOCK 15. STM-64 MS-SPRING tests TCB008: Support for SDH STM-64 MS-SPRING (2-fibre) Purpose: Confirm support for 2 fibre STM-64 MS-SPRING (2-fibre) Equipment required: 4 SDH test sets Test method: 1. Start with a clean network – no circuits configured and no alarms 2. Set up a VC4 circuit from LON#6 to NY#6 Test Plan for Optical Grooming Switches Expected result: • System is user-friendly enough that BTexact can set trail up in less than 10 minutes • Traffic is carried error free • Switch management system clearly shows route of circuit Any other comments: If supplier does not support 2-fibre MS-SPRING they may instead offer 4-fibre MS-SPRING for this test . Lack of support for 2-fibre MS-SPRING will be recorded. It is assumed that if the system supports OC-48 BLSR and STM-64 MS-SPRING then it will also support OC-192 BLSR TCB009: Confirm SPRING protection in event of card failure Test purpose: To confirm basic operation of an MS-SPRING and to confirm ring protection in event of card failure Equipment needed: 4 SDH test sets Test method: 1. Following successful completion of TCB008 2. Set up second circuit on the ring – a VC4-16c from LA#8 to NY#7 3. Pull out card LON#4 Expected results: • VC4 circuit from LON#6 to NY#6 should see less than 50 ms loss of traffic • VC4-16c circuit from LA#8 to NY#7 should experience no loss of traffic • Within 10 seconds an alarm should be raised indicating card out • Switch management system should clearly show the circuit routings Any other comments: None TCB010: Confirm MS-SPRING reverts when card is replaced Test purpose: To confirm correct operation of MS-SPRING when card is replaced. Equipment needed: 4 SDH testers 51
Page 1 and 2: Test Specification Issue 2.1 (25 Ju
Page 3 and 4: Published by BTexact Technologies -
Page 5 and 6: Introduction Test Plan for Optical
Page 7 and 8: Test Plan for Optical Grooming Swit
Page 11 and 12: 4 OC-48s over a WDM Test Plan for O
Page 13 and 14: Client Interface Name LON#5 STM-16
Page 15 and 16: Major problem during BTexact testin
Page 19 and 20: Expected result: • SONET/SDH test
Page 21 and 22: Other comments: None END OF BLOCK 1
Page 23 and 24: Other comments: None Current route
Page 27 and 28: Protection route. Available resour
Page 37 and 38: SONET/S DH tester NE TCM- No 1 A SO
Page 41 and 42: J0 should remain unaltered. Test Pl
Page 45 and 46: Any other comments: None Test Plan
Page 49: Test Plan for Optical Grooming Swit
Page 57 and 58: BT Commercial Contact: name address
Page 63 and 64: 12. BT Testing Services Test Plan f
Page 65 and 66: Schedule 1: Personal Non- Disclosur

Test Plan for Optical Grooming Switches - Light Reading

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