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Cisco ONS 15454 SDH Procedure Guide, R7.2
October 2007
Chapter 19 DLPs D200 to D299
DLP- D298 Check the Network for Alarms and Conditions
Step 6 When you have finished Steps 3 through 5 for both nodes, install the new STM-N cards in both endpoints
and attach the fiber to the cards. Wait for the IMPROPRMVL alarm to clear and the cards to become
active.
Step 7 Return to your originating procedure (NTP).
DLP-D298 Check the Network for Alarms and Conditions
Step 1 From the View menu, choose Go to Network View. Verify that all affected spans on the network map
are green.
Step 2 Verify that the affected spans do not have active switches on the network map. Span ring switches are
represented by the letters “L” for lockout ring, “F” for Force ring, “M” for Manual ring, and “E” for
Exercise ring.
Step 3 A second verification method can be performed from the Conditions tab. Click Retrieve Conditions and
verify that no switches are active. Make sure the Filter button is not selected.
Step 4 Click the Alarms tab.
a. Verify that the alarm filter is not on. See the “DLP-D227 Disable Alarm Filtering” task on
page 19-26 as necessary.
b. Verify that no unexplained alarms appear on the network. If alarms appear, investigate and resolve
them before continuing. Refer to the Cisco ONS 15454 Troubleshooting Guide for procedures.
Step 5 Return to your originating procedure (NTP).
Purpose This task verifies that no alarms or conditions exist on the network.
Tools/Equipment None
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Retrieve or higher