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Cisco ONS 15454 Installation and Operations Guide
78-13453-01
Chapter5 SONET Topologies
Linear ADM Configurations
c. Click Yes on the con firm ation dia log box .
d. Verify that no traffic disruptions are indicated on the test set. If disruptions occur, do not proceed.
Recreate the protection group and isolate the cause of the disruption.
e. Continue deleting 1+1 protection groups while monitoring the existing traffic with the test set.
Figure5-35 Deleting a protection group
Step 7 Physically remove one of the protect fibers running between the middle and end nodes. For example, in
the Figure5-36 , the fiber from Node 2/Slot 13 to Node 3/Slot 13 is removed. The corresponding OC-48
card will go into an LOS condition for that fiber and port.