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Chapter 5
SONET Topologies
Figure 5-34 Verifying working slots in a protection group
Step 3
Under Protection Groups, select the 1+1 protection group (that is, the group supporting the 1+1 span
cards).
Step 4
Under Selected Group, verify that the working slot/port is shown as "Working/Active." If yes, go to Step
5. If the working slot says "Working/Standby" and the protect slot says "Protect/Active," switch traffic
to the working slot:
a.
Under Selected Group, select the protect slot, that is, the slot that says "Protect/Active."
a.
From the Switch Commands, select Manual.
b.
Click Yes on the confirmation dialog box.
c.
Under Selected Group, verify that the working slot/port says "Working/Active." If so, continue to
Step (d). If not, clear the conditions that prevent the card from carrying working traffic before
proceeding.
d.
From the Switch Commands, select Clear. A Confirm Clear Operation dialog is displayed.
e.
Click Yes on the confirmation dialog box.
Step 5
Repeat Step 4 for each group in the 1+1 Protection Groups list at all nodes that will be converted.
Step 6
For each node, delete the 1+1 OC-N protection group that supports the linear ADM span:
Note
Click the Provisioning > Protection tabs
a.
b.
From the Protection Groups list, choose the 1+1 group you want to delete. Click Delete.
November 2001
Deleting a 1+1 protection group may cause unequipped path (UNEQ-P) alarms to occur.
(Figure
5-35).
Cisco ONS 15454 Installation and Operations Guide
Linear ADM Configurations
5-43
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