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Converting DS-1 and DS-3 Cards From 1:1 to 1:N Protection
Figure 7-8
Repeat Steps 1 – 3 for each protection group that you need to convert.
Step 4
Verify that no standing alarms exist for any of the DS1-14 cards that you are converting. If alarms exist
Step 5
and you have difficulty clearing them, contact your next level of support.
Click the Provisioning > Protection tabs.
Step 6
Click the 1:1 protection group that contains the cards that you will move into the new protection group.
Step 7
Click Delete.
Step 8
When the confirmation dialog displays, click Yes.
Step 9
Note
If needed, repeat Steps 7– 9 for other protection groups.
Step 10
On the node view, right-click the DS1-14 card in Slot 3 or Slot 15 and select Delete from the shortcut
Step 11
menu.
Physically remove the DS1-14 card from Slot 3 or Slot 15. This raises an improper removal alarm.
Step 12
In node view, right-click the slot that held the removed card and select delete from the pull-down menu.
Step 13
Wait for the card to disappear from the node view.
Cisco ONS 15454 Installation and Operations Guide
7-32
Viewing slot protection status
Deleting the 1:1 protection groups does not disrupt service. However, no protection
bandwidth exists for the working circuits until you complete the 1:N protection procedure.
Therefore, complete this procedure as quickly as possible.
Chapter 7
Card Provisioning
November 2001
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