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Cisco ONS 15327 Troubleshooting Guide, R3.4
March 2004
Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.6.24 AUTOSW-UNEQ (VTMON)
• Minor (MN), Service Affecting (SA)
AUTOSW-UNEQ (VTMON) indicates that an UNEQ-V alarm (see page 2-123) caused automatic UPSR
protection switching to occur. If the UPSR is configured for revertive switching, it will revert to the
working path after the fault clears.
Procedure: Clear the AUTOSW-UNEQ (VTMON) Alarm
Step 1 Complete the “Clear the UNEQ-V Alarm” procedure on page 2-124.
Step 2 If the alarm does not clear, log onto http://www.cisco.com/tac for more information or call TAC to report
a service-affecting problem (1-800-553-2447).
2.6.25 BAT-A-HGH-VLT
• Not Reported (NR), Non-Service Affecting (NSA)
The High Voltage Battery (BAT) A condition occurs when the voltage level on battery lead A is between
–52 VDC and –56.7 VDC. The condition indicates that the voltage on the battery lead is high. The
condition remains until the voltage remains under this range for 120 seconds.
Procedure: Clear the BAT-A-HGH-VLT Condition
Step 1 The problem is external to the ONS 15327. Troubleshoot the power source supplying battery lead A.
Step 2 If the alarm does not clear, log onto http://www.cisco.com/tac for more information or call TAC
(1-800-553-2447).
2.6.26 BAT-A-LOW-VLT
• Not Reported (NR), Non-Service Affecting (NSA)
The Low Voltage Battery A (BAT-A-LOW-VLT) condition occurs when the voltage on battery feed A is
low. The low voltage battery A condition occurs when the voltage on battery feed A is between –44 VDC
and –40 VDC. The condition clears when voltage remains above this range for 120 seconds.
Procedure: Clear the BAT-A-LOW-VLT Condition
Step 1 The problem is external to the ONS 15327. Troubleshoot the power source supplying battery lead A.
Step 2 If the alarm does not clear, log onto http://www.cisco.com/tac for more information or call TAC
(1-800-553-2447).