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Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 18 DLPs D100 to D199
DLP- D189 Verify that a 1+1 Working Slot is Active
DLP-D189 Verify that a 1+1 Working Slot is Active
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 In the Selected Group pane, verify that the working slot/port is shown as Working/Active. If so, this task
is complete.
Step 3 If the working slot says Working/Standby, perform a Manual switch on the working slot:
a. In the Selected Group pane, choose the Protect/Active slot.
b. In the Switch Commands field, choose Manual.
c. Click Yes in the confirmation dialog box.
Step 4 Verify that the working slot is carrying traffic (Working/Active).
Note If the slot is not active, look for conditions or alarms that might be preventing the card from
carrying working traffic. Refer to the Cisco ONS 15454 SDH Troubleshooting Guide.
Step 5 When the working slot is carrying traffic, clear the Manual switch:
a. In the Switch Commands field, choose Clear.
b. Click Yes in the confirmation dialog box.
Step 6 Verify that the working slot does not switch back to Standby, which might indicate a problem on the
working span.
Step 7 Return to your originating procedure (NTP).
Purpose This task verifies that a working slot in a 1+1 protection scheme is active
(and that the protect slot is in standby).
Tools/Equipment None
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher
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