4-10
Cisco ONS 15454 Procedure Guide, R5.0
December 2004
Chapter 4 Turn Up Node
NTP-A170 Create Protection Groups
NTP-A170 Create Protection Groups
Step 1 Complete the “DLP-A60 Log into CTC” task on page 17-66 at the node where you want to create the
protection group. If you are already logged in, continue with Step 2.
Step 2 Complete one or more of the following tasks depending on the protection groups you want to create:
• DLP-A71 Create a 1:1 Protection Group, page 17-78
• DLP-A72 Create a 1:N Protection Group, page 17-80
• DLP-A73 Create a 1+1 Protection Group, page 17-81
• DLP-A34 Create an Optimized 1+1 Protection Group, page 17-40
Note To create Y-cable protection groups for TXP and MXP cards, refer to the Cisco ONS 15454
DWDM Installation and Operations Guide.
Table 4-1 describes the protection types available on the ONS 15454.
Purpose This procedure creates ONS 15454 card protection groups.
Tools/Equipment None
Prerequisite Procedures NTP-A24 Verify Card Installation, page 4-2
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
Table 4-1 Protection Types
Type Cards Description and Installation Requirements
1:1 DS1-14
DS3-12
DS3-12E
EC1-12
DS3XM-6
DS3XM-12
DS3/EC1-48
Pairs one working card with one protect card. The protect card
should be installed in an odd-numbered slot and the working
card in an even-numbered slot next to the protect slot towards the
TCC2/TCC2P, for example: protect in Slot 1, working in Slot 2;
protect in Slot 3, working in Slot 4; protect in Slot 15, working
in Slot 14. 1:1 protection can be revertive or nonrevertive. For
more information, refer to the “Card Protection” chapter in the
Cisco ONS 15454 Reference Manual.
1:N DS1N-14
DS3N-12
DS3N-12E
DS3XM-12
DS3/EC1-48
Assigns one protect card for several working cards. The
maximum is 1:5. Protect cards must be installed in Slot 3 or 15
and the cards they protect must be on the same side of the shelf.
Protect cards must match the cards they protect. For example, a
DS1N-14 can only protect DS1-14 or DS1N-14 cards. If a failure
clears, traffic reverts to the working card after the reversion time
has elapsed. For more information, refer to the “Card Protection”
chapter in the Cisco ONS 15454 Reference Manual.
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