User's Manual

Troubleshooting Alarms
Page 198 FlexWave Prism Element Management System 7.1 User Manual
©
2011 ADC Telecommunications, Inc ADCP-77-177 • Issue 1 • July 2011
Minor Alarms—Host Unit SFPs
Alarm: Optical RX High BER
Trap:
fwuHstSERFOptRxBERFault
Alarm Code: AC13
Definition: High bit error rate (BER) detected by fiber optic receiver.
Threshold: 0.00001
Remedy: Check/repair optical overdrive conditions (Unit Information > View Optical
Ports). Ensure that fiber optic connections are clean. Check for kinks
or sharp bends in the fiber optic cable; replace fiber optic cable if
unable to correct any problems found.
Alarm: Optical Under Drive
Trap:
fwuHstSERFOptUnderDriveFault
Alarm Code: AC17
Definition: SFP optical receive input power below specification.
Threshold: Threshold for IR is -1 dBm, and for LR is -27 dBm
Remedy: Check fiber optic cable for too much attenuation and/or dirty
connections. Check SFP type (wavelength or IR/LR) being used;
replace the SFP if it is the wrong type.
Minor Alarms—PRU/URU DARTs
The following alarms apply to DARTs installed in a Prism Remote Unit (PRU) or in
a URH Remote Unit (URU).
Alarm: DART Temperature High
Trap:
fwuRmtDARTOverTempFault
Alarm Code: AC99
Definition: DART temperature above operating limit.
Threshold: 85°C
Remedy: Check the PRU/URU fans. Check the air flow around the PRU/URU.
Ensure that the PRU/URU door is closed and that the ambient
temperature is less than 50°C. Check that the heatsink material on
the PRU/URU DARTs has not been damaged. If the alarm persists,
replace RF Module.