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Converting DS-1 and DS-3 Cards From 1:1 to 1:N Protection
Note
If you are deleting more than one protection group, repeat Steps 7–9 for each group.
Step 10
On the node view, right-click the DS3-12 card in Slot 3 or Slot 15 and choose Delete from the shortcut
Step 11
menu.
Physically remove the DS3-12 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 choose Delete from the pull-down menu.
Step 13
Wait for the card to disappear from the node view.
Physically insert a DS3N-12 card into the same slot.
Step 14
Verify that the card boots up properly.
Step 15
Click the Inventory tab and verify that the new card appears as a DS3N-12.
Step 16
Click the Provisioning > Protection tabs.
Step 17
Click Create.
Step 18
The Create Protection Group dialog shows the protect card in the Protect Card field and the available
cards in the Available Cards field.
Step 19
Type a name for the protection group in the Name field (optional).
Step 20
Click Type and choose 1:N (card) from the pull-down menu.
Step 21
Verify that the DS3N-12 card appears in the Protect Card field.
Step 22
In the Available Cards list, highlight the cards that you want in the protection group. Click the arrow
(>>) tab to move the cards to the Working Cards list.
Step 23
Click OK.
The protection group should appear in the Protection Groups list on the Protection subtab.
Cisco ONS 15454 Installation and Operations Guide
7-34
Deleting the 1:1 protection groups will not disrupt service. However, no protection
bandwidth exists for the working circuits until the 1:N protection procedure is completed. Do
not delay when completing this procedure.
Chapter 7
Card Provisioning
November 2001
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