Cisco ONS 15454 Series Procedure Manual page 568

DLP-A177 Convert DS3-12 Cards From 1:1 to 1:N Protection
Next to Switch Commands, click Switch.
b.
The working slot should change to Working/Active and the protect slot should change to
Protect/Standby. If they fail to change, do not continue. Troubleshoot the working card and slot to
determine why the card cannot carry working traffic.
Repeat Steps
Step 4
Click the Alarms tab to verify that no standing alarms exist for any of the DS3-12 cards you are
Step 5
converting. If alarms exist 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 box appears, click Yes.
Step 9
Note
If you are deleting more than one DS-3 1:1 protection group, repeat Steps
Step 10
that you want to include in a 1:N group.
Physically remove the protect DS3-12 card from Slot 3 or Slot 15. This raises an improper removal
Step 11
alarm.
In node view, right-click the slot that held the removed card and choose Delete from the shortcut menu.
Step 12
Wait for the card to disappear from the node view.
Physically insert a DS3N-12 card into the same slot.
Step 13
Verify that the card boots up properly.
Step 14
Click the Inventory tab and verify that the new card appears as a DS3N-12 card.
Step 15
Click the Provisioning > Protection tabs.
Step 16
Click Create.
Step 17
Type a name for the protection group in the Name field (optional).
Step 18
Click Type and choose 1:N (card) from the drop-down list.
Step 19
Verify that the DS3N-12 card appears in the Protect Card field.
Step 20
In the Available Cards list, highlight the cards that you want in the protection group. Click the arrow
Step 21
(>>) button to move the cards to the Working Cards list.
Click OK.
Step 22
The protection group should appear in the Protection Groups list on the Protection subtab.
Return to your originating procedure (NTP).
Step 23
Cisco ONS 15454 Procedure Guide, R5.0
18-58
2 and 3 for each protection group that you need to convert.
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. Therefore,
complete this procedure as soon as possible.
Chapter 18 DLPs A100 to A199
7 through 9 for each group
March 2007