Rfi-V - Cisco ONS 15327 User Documentation

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Chapter 14
Alarm Troubleshooting
Any disruptions to the Ethernet or XTC card can cause an outage of Ethernet traffic for up to 10 minutes.
Note
During this period, reconvergence occurs and Ethernet traffic is restored.
Procedure: Clear the RFI-P Condition on the XTC or E10/100-4 Card
Verify that the ports are enabled and in service on the reporting ONS 15327.
Step 1
To find the path and node failure, verify the integrity of the SONET STS circuit path at each of the
Step 2
intermediate SONET nodes.
Check for alarms in the node with the failure, especially UNEQ-P or UNEQ-V.
Step 3
Resolve alarms in that node.
Step 4

14.4.102 RFI-V

A remote-fault indication VT (RFI-V) alarm occurs when the ONS 15327 detects an RFI in the SONET
overhead because of a fault in another node. Resolving the fault in the adjoining node clears the RFI-V
alarm in the reporting node.
RFI-V indicates that an upstream failure has occurred at the VT layer. The VT (electrical) layer is created
when the SONET signal is broken down into an electrical signal, for example when an optical signal
comes into an ONS 15327. If this optical signal is demultiplexed and one of the channels separated from
the optical signal is cross connected into the XTC-14 port in the ONS 15327, the ONS 15327 reports an
RFI-V alarm.
Always use the supplied ESD wristband when working with a powered ONS 15327. Plug the wristband
Caution
cable into the ESD jack located on the lower-right outside edge of the shelf assembly.
Procedure: Clear the RFI-V Condition on the XTC Card
Check connectors to ensure that they are securely fastened and connected to the correct slot/port.
Step 1
Step 2
Verify that the XTC-14 port is active and in service.
Check the signal source for errors.
Step 3
Login to the far-end node from the reporting ONS 15327.
Step 4
Check for alarms in the far-end node, especially UNEQ-P or UNEQ-V.
Step 5
Find and troubleshoot the far-end node alarms.
Step 6
June 2002
Not Reported (NR)
Cisco ONS 15327 User Documentation, R3.3
Alarm Procedures
14-71

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