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Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 2 Alarm Troubleshooting
2.6.22 CHANLOSS
Clear the CARLOSS Alarm
Step 1
Ensure that the GIGE client is correctly configured by completing the following steps:
a.
Double-click the ASAP card to display the card view.
b.
Click the
Provisioning > Pluggable Port Modules
tabs.
c.
View the Pluggable Port Modules area port listing in the
Actual Equipment Type
column and
compare this with the client equipment. If no SFP (referred to as a PPM in CTC) is provisioned,
refer to the “Install Cards and Fiber-Optic Cable” chapter in the
Cisco ONS 15600 SDH Procedure
Guide
for provisioning instructions.
d.
If an SFP (PPM) has been created, view the contents of the Selected PPM area
Rate
column for the
port and compare this rate with the client equipment data rate. In this case, the rate should be
ETHER. If the SFP (PPM) rate is differently provisioned, select the SFP (PPM), click
Delete
, then
click
Create
and choose the correct rate for the equipment type.
Step 2
If there is no SFP (PPM) misprovisioning, check for a fiber cut.
Step 3
If there is no fiber cut or provisioning error, check the client-side equipment for any transmission errors
on the line.
Step 4
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) in order to report a Service-Affecting (SA)
problem.
2.6.22 CHANLOSS
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Object: STMN
The SDH Section Layer DCC Termination Failure condition occurs when the ONS 15600 SDH receives
unrecognized data in the section layer DCC bytes.
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
Clear the CHANLOSS Condition
Step 1
In the absence of other alarms, determine whether the alarmed port is connected to another vendor’s
equipment. If so, you can mask the alarm on this path using a custom alarm profile. For more information
about custom profiles, refer to the “Manage Alarms” chapter in the
Cisco ONS 15600 SDH Procedure
Guide
.
Содержание Cisco ONS 15600 SDH
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