2-49
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 2 Alarm Troubleshooting
2.6.51 E-W-MISMATCH
Step 9
If any span has an east-to-east or west-to-west connection, physically switching the fiber connectors
from the card that does not fit the pattern to the card that continues the pattern should clear the alarm.
Warning
Invisible laser radiation could be emitted from the end of the unterminated fiber cable or connector.
Do not stare into the beam directly with optical instruments. Viewing the laser output with certain
optical instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of
100 mm could pose an eye hazard.
Statement 1056
Warning
Use of controls, adjustments, or performing procedures other than those specified may result in
hazardous radiation exposure.
Statement 1057
Step 10
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1 800 553-2447) to report a Service-Affecting (SA) problem.
Clear the E-W-MISMATCH Alarm in CTC
Step 1
Log into the misconnected node. A misconnected node has both ring fibers connecting it to its neighbor
nodes misconnected.
Step 2
Click the
Maintenance > MS-SPRing
tabs.
Step 3
From the row of information for the fiber span, complete the
“Identify an MS-SPRing Ring ID or Node
ID Number” procedure on page 2-122
to identify the node ID, ring name, and the slot and port in the
East Line column and West Line column. Record the above information.
Step 4
Click
View > Go to Network View
.
Step 5
Delete and recreate the MS-SPRing by completing the following steps:
a.
Click the
Provisioning > MS-SPRing
tabs.
b.
Click the row from
to select it and click
Delete
.
c.
Click
Create
.
d.
Fill in the ring name and node ID from the information collected in
e.
Click
Finish
.
Step 6
Display node view and click the
Maintenance > MS-SPRing
tabs.
Step 7
Change the West Line drop-down list to the slot you recorded for the East Line in
Step 8
Change the East Line drop-down list to the slot you recorded for the West Line in
Step 9
Click
OK
.
Step 10
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC (1 800 553-2447) to report a Service-Affecting (SA) problem.
Summary of Contents for Cisco ONS 15600 SDH
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