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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter2 Alarm Troubleshooting
2.7.189 PWR-FAIL-B
Step4 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call CiscoTAC (1-800-553-2447).
2.7.189 PWR-FAIL-B
Default Severity: Minor(MN), Non-Service-Affecting (NSA)
SONET Logical Object: EQPT
The Equipment Power Failure at Connector B alarm occurs when there is no power supply from the main
power connector to the equipment. This alarm occurs on the electrical interface or the controller card.
Warning
Before working on equipment that is connected to power lines, remove jewelry (including rings,
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals.
Statement 43

Clear the PWR-FAIL-B Alarm

Step1 Complete the “Clear the PWR-FAIL-A Alarm” procedure on page2-117.
Step2 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call CiscoTAC (1-800-553-2447).
2.7.190 RAI
Default Severity: NotAlarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: DS1, DS3
The Remote Alarm Indication (RAI) condition signifies an end-to-end failure. The error condition is sent
from one end of the SONET path to the other. RAI on a DS-3 port indicates that the far-end node is
receiving a DS-3 AIS.

Clear the RAI Condition

Step1 Complete the “Clear the AIS Condition” procedure on page2-18.
Step2 If the condition does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call CiscoTAC (1-800-553-2447).
2.7.191 RFI-L
Default Severity: NotReported (NR), Non-Service-Affecting (NSA)
SONET Logical Objects: EC1, OCN