Cisco ONS 15454 Series Procedure Manual page 496

DLP-A88 Optical 1+1 Protection Test
Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
b.
them before continuing. Refer to the Cisco ONS 15454 Troubleshooting Guide if necessary.
Click the Conditions tab. Verify that no unexplained conditions appear on the network. If unexplained
Step 3
conditions appear, resolve them before continuing. Refer to the Cisco ONS 15454 Troubleshooting
Guide if necessary.
On the network map, double-click the node containing the 1+1 protection group you are testing to open
Step 4
it in node view.
Click the Maintenance > Protection tabs.
Step 5
Initiate a Force switch on the working port:
Step 6
In the Protection Groups area, click the 1+1 protection group.
a.
Click the working port. Next to Switch Commands, click Force.
b.
In the Confirm Force Operation dialog box, click Yes.
c.
In the Selected Group area, verify that the following appears:
d.
Step 7 Verify that traffic on the test set connected to the node is still running. Some bit errors are normal, but
traffic flow should not be interrupted. If a traffic interruption occurs, complete
next level of support. If a traffic interruption does not occur, complete Steps
Step 8 Clear the switch on the working port:
a. Next to Switch Commands, click Clear.
In the Confirm Clear Operation dialog box, click Yes.
b.
Initiate a Force switch on the protect port:
Step 9
In the Selected Group area, click the protect port. Next to Switch Commands, click Force.
a.
In the Confirm Force Operation dialog box, click Yes.
b.
In the Selected Group area, verify that the following appears:
c.
Step 10 Verify that the traffic on the test set connected to the node is still running. If a traffic interruption occurs,
complete
complete Steps
Clear the switch on the protect port:
Step 11
a. Next to Switch Commands, click Clear.
b. In the Confirm Clear Operation dialog box, click Yes.
In the Selected Group area, verify the following states:
c.
Return to your originating procedure (NTP).
Step 12
Cisco ONS 15454 Procedure Guide, R5.0
17-86
Protect port: Protect/Active [FORCE_SWITCH_TO_PROTECT], [PORT STATE]
•
• Working port: Working/Standby [FORCE_SWITCH_TO_PROTECT], [PORT STATE]
Protect port: Protect/Active [FORCE_SWITCH_TO_WORKING], [PORT STATE]
•
Working port: Working/Standby [FORCE_SWITCH_TO_WORKING], [PORT STATE]
•
Step 11 and then refer to your next level of support. If a traffic interruption does not occur,
11 and 12.
Protect port: Protect/Standby
•
Working port: Working/Active
•
Chapter 17 DLPs A1 to A99
Step 8, then refer to your
8 through 12.
March 2005