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2.6.63 FAN-PWR
Troubleshoot with the
does not clear, log on to http://www.cisco.com/tac for more information or call Cisco TAC at
1-800-553-2447.
2.6.63 FAN-PWR
The Fan Power Failure alarm occurs when a power feed (A or B) from the shelf to Fan Tray 1, 2, or 3
fails. Because fans are not able to differentiate the power feeds, there is only one alarm for A or B failure.
Clear the FAN-PWR Alarm
Remove the reporting fan trays from the ONS 15600 SDH.
Step 1
Always use the supplied electrostatic discharge wristband when working with a powered
Caution
ONS 15600 SDH. Plug the wristband cable into the ESD jack located on the lower-right edge of the shelf
assembly.
Step 2
Reinsert the fan trays, making sure you hear the fans start to operate.
Fans should run immediately when correctly inserted.
If the alarm does not clear or if the fans do not run, replace the fan trays using the procedure located in
Step 3
the "Maintain the Node" chapter in the Cisco ONS 15600 SDH Procedure Guide.
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).
2.6.64 FE-FRCDWKSWBK-SPAN
The FE-FRCDWKSWBK-SPAN condition is not used in this platform in this release. It is reserved for
development.
2.6.65 FE-FRCDWKSWPR-RING
The Far End Ring Working Facility Forced to Switch to Protection condition occurs when a far-end node
ring is forced from working to protect using the FORCE RING command. This condition is only visible
on the network view Conditions tab.
The prefix FE means the main alarm is occurring at the far-end node and not at the node reporting the
FE-FRCDWKSWPR-RING condition. Troubleshoot the FE condition by troubleshooting the main alarm
at its source. The secondary alarms or conditions clear when the primary alarm clears.
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
2-58
"Clear the FAN-FAIL Alarm" procedure on page 2-57
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Logical Object: FAN
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Object: STMN
Chapter 2 Alarm Troubleshooting
procedure. If the alarm
July 2010
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Troubleshooting
