Test Plan for Optical Grooming Switches - Light Reading

Other comments:
None
Current route and status.
Main route and Status.
Protection Route and Status.
Available resources.
TCA013: Confirm 1+1 MSP does not revert
Purpose:
To confirm 1+1 MSP is not revertive
Test method:
1. Following on from successful completion of TCA012
2. Replace card PAR#6
3. Note results on SDH testers and switch management system
Test Plan for Optical Grooming Switches
Expected result:
Card out alarm should be cleared
SDH testers should show no further loss of traffic
Switch management system should still show STS-1 circuit routed via PAR#7-
LON#1 trunk
Other comments:
None
TCA014: Confirm manual switch of 1+1 MSP
Purpose:
To confirm 1+1 MSP can be manually switched correctly
Test method:
1. Following on from successful completion of TCA013
2. Manually switch STS-1 circuit from PAR#7-LON#1 trunk to PAR#6-LON#2 trunk
Expected result:
STS-1 circuit should see sub-50 ms loss of traffic
Switch management system should show alarm indicating manual switch
Switch management system should show STS-1 circuit now routed PAR#6-
LON#2
Other comments:
None
TCA015: Confirm loss of protection route on 1+1 MSP is handled correctly
Purpose:
To confirm loss of protection route on 1+1 MSP is handled correctly
Test method:
1. Following on from successful completion of TCA014
2. Break fibre PAR#7-LON#1
Expected result:
No loss of traffic on SDH testers
Switch management system shows circuit routings unchanged
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