Clear The E-W-Mismatch Alarm In Ctc - Cisco ONS 15600 SDH Troubleshooting Manual

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