Cisco ONS 15310-MA Troubleshooting Manual page 119

Chapter 2 Alarm Troubleshooting
Step 2 To find the path and node failure, verify the integrity of the SDH VC circuit path at each of the
intermediate SDH nodes.
Step 3 Clear alarms in the node with the failure, especially the
Step 4 If the condition does not clear, log into the Technical Support Website at
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.182 LP-RFI
An RFI VT Layer condition occurs when the ONS 15310-MA SDH detects an RFI in the SDH overhead
because of a fault in another node. Resolving the fault in the adjoining node clears the LP-RFI condition
in the reporting node. LP-RFI indicates that an upstream failure has occurred at the VC layer.
Clear the LP-RFI Condition
Verify that the fiber connectors are securely fastened and connected to the correct slot. For more
Step 1
information, refer to the "Install Hardware" chapter in the Cisco ONS15310-MA SDH Procedure Guide.
Caution Always use the supplied electrostatic discharge wristband when working with a powered
ONS 15310-MA SDH.
If connectors are correctly connected, verify that the port is active and unlocked-enabled by completing
Step 2
the following steps:
a.
b.
c.
d.
e.
If the ports are active and in service, use an optical test set to verify that the signal source does not have
Step 3
errors. For specific procedures to use the test set equipment, consult the manufacturer.
If the signal is valid, log into the node at the far-end of the reporting ONS 15310-MA SDH.
Step 4
78-18663-01
If ports managed into unlocked administrative state are not receiving signals, the LOS alarm
Note
is either raised or remains, and the port service state transitions to unlocked-disabled,FLT.
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
SDH Logical Objects: VCMON-LP, VCTRM-LP
Confirm that the green ACT LED is on.
Double-click the ONS 15310-MA SDH in CTC to display the card view.
Click the Provisioning > Optical > Line tabs.
Verify that the Admin State column lists the port as unlocked.
If the Admin State column lists the port as locked, maintenance or locked, disabled, click the
column and choose unlocked. Click Apply.
Note If ports managed into unlocked administrative state are not receiving signals, the LOS alarm
is either raised or remains, and the port service state transitions to unlocked-disabled,FLT.
"HP-UNEQ" alarm on page
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
Alarm Procedures
2-141.
2-119