Test Plan for Optical Grooming Switches - Light Reading

Test Plan for Optical Grooming Switches
STS-3c circuit should be mesh restored via 2 hops route – confirm on
management system
Record duration of loss of traffic on STS-3c circuit
Other comments:
None
TCA019: Break both working and protection fibres in BLSR
Purpose:
To confirm that when both working and protection arms on BLSR are failed then mesh
restoration takes place
Test method:
1. Following on from successful completion of TCA017 and TCA018 one fibre in the BLSR
has already been broken. Now break the other one
Expected result:
Mesh restoration should take place on STS-1 circuit
Record duration of loss of traffic on STS-1 circuit
Switch management system should now show STS-1 circuit routed via NY#3-
PAR#5-LA
STS-3c circuit should be unaffected
Other comments:
None
TCA20: Creation of protected trail.
Purpose:
To confirm the ability to create an SNCP protected circuit across the network.
Test method:
1. Start off with Configuration A, with no trails configured.
2. Using the switch management system, create an SNCP protected STS-1 trail from PAR#8
to NY#6
3. Confirm the trail is working error free
4. Set up an unprotected STS-3c trail from PAR#9-NY#7
Expected result:
• SDH testers report error free transmission.
• Switch management reports no alarms or warning.
• Switch management system clearly shows routing of the protected circuit – working
via PAR#5-NY#3 and protection via 2 hop route (not important which)
• Check the following are clearly and accurately displayed within the network view of
the Management system:
Current route and status.
Protection route.
Available resources.
Any other comments:
Is a screen refresh required to obtain a current view of the network?
Is there an auto refresh or cycle time to refresh all ports on nodes?
TCA021: Operate SNC protection (non revertive) in event of fibre cut
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