Cisco ONS 15454 SDH Specifications Page 69

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 1 Alarm Troubleshooting
Alarm Procedures
1.5.53 MSSP-OOSYNC
Major, Service-affecting
The procedural error MS-SPRing out of sync alarm applies to the SDH NE ring. It is raised when a node
ring map is missing or changed.
Warning
The ONS 15454 SDH is a Class I (CDRH) and Class 1M (IEC) laser system.
Warning
Invisible laser radiation may be emitted from the aperture ports of the single-mode fiber optic
modules when no fiber cable is connected. Avoid exposure and do not stare into open apertures.
Procedure: Clear the MSSP-OOSYNC Alarm
Step 1 Verify that all node IDs are correct in the ring.
Step 2 Reaccept the ring map by clicking the Provisioning > Ring tabs.
Step 3 Click OK.
Step 4 If the ring map does not exist, click Create.
Step 5 Create the ring, choosing two- or four-fiber, choosing the Node ID, and choosing the East and West
optical cards as required.
Step 6 Click Yes on the Create MSSPRing dialog box.
Step 7 Check fiber connections.
Step 8 Clean the fiber according to site practices.
Step 9 Complete the “SYNCPRI” procedure on page 1-52.
1.5.54 PRC-DUPID
Major, Non-service affecting
The procedural error duplicate node ID alarm indicates that two identical node IDs exist in the same ring.
The ONS 15454 SDH requires each node in the ring to have a unique node ID.
Procedure: Clear the PRC-DUPID Alarm
Step 1 Find the nodes with identical node IDs:
a. Log into a node on the ring.
b. Click the Provisioning > Ring tabs.
c. Record the node ID number.
d. Repeat Steps a – c for all nodes in the ring.
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