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Cisco ONS 15454 Procedure Guide, R5.0
March 2007
Chapter 18 DLPs A100 to A199
DLP-A176 Convert DS1-14 Cards From 1:1 to 1:N Protection
DLP-A176 Convert DS1-14 Cards From 1:1 to 1:N Protection
Note This procedure assumes DS1-14 cards are installed in Slots 1 through 6 and/or Slots 12 through 17. The
DS1-14 cards in Slots 3 and 15, which are the protection slots, will be replaced with DS1N-14 cards.
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 Click the protection group that contains Slot 3 or Slot 15 (where you will install the DS1N-14 card).
Step 3 Make sure the slot you are upgrading is not carrying working traffic. In the Selected Group list, the
protect slot must say Protect/Standby (shown Figure 18-5 on page 18-56) and not Protect/Active. If the
protect slot status is Protect/Active, switch traffic to the working card:
a. Under Selected Group, click the protect card.
b. Next to Switch Commands, click Switch.
The working slot should change to Working/Active and the protect slot should change to
Protect/Standby. If they do not change, do not continue. Troubleshoot the working card and slot to
determine why the card cannot carry working traffic.
Step 4 Repeat Steps 2 through 3 for each protection group that you need to convert.
Step 5 Click the Alarms tab to verify that no standing alarms exist for any of the DS1-14 cards that you are
converting. If alarms exist and you have difficulty clearing them, contact your next level of support.
Step 6 Click the Provisioning > Protection tabs.
Step 7 Click the 1:1 protection group that contains the cards that you will move into the new protection group.
Step 8 Click Delete.
Step 9 When the confirmation dialog box appears, click Ye s.
Note Deleting the 1:1 protection group 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.
Step 10 If needed, repeat Steps 7 to 9 for other DS-1 1:1 protection groups that you want to include in a 1:N
group.
Step 11 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 shortcut menu.
Wait for the card to disappear from node view.
Purpose This task converts DS1-14 cards in a 1:1 protection scheme to 1:N
protection. A 1:N protection group can protect a maximum of five working
cards.
Tools/Equipment CTC Software Release 2.0 or later
At least one DS1M-14 card
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Provisioning or higher