Cisco ONS 15454 SDH Specifications Page 50

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Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 1 Alarm Troubleshooting
Alarm Procedures
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1.5.22 EHIBATVG-A
Major, Service-affecting
The extreme high voltage battery A alarm occurs when the voltage level on battery lead A exceeds
-56.7 V DC. The alarm indicates that the voltage on the battery lead is extremely high and power
redundancy is no longer guaranteed. The alarm remains until the voltage remains below -56.7 V DC for
120 seconds.
Procedure: Clear the EHIBATVG-A Alarm
Step 1 The problem is external to the ONS 15454 SDH. Troubleshoot the power source for battery lead A.
1.5.23 EHIBATVG-B
Major, Service-affecting
The extreme high voltage battery B alarm occurs when the voltage level on battery lead B exceeds
-56.7 V DC. The alarm indicates that the voltage on the battery lead is extremely high, and power
redundancy is no longer guaranteed. The alarm remains until the voltage remains below -56.7 V DCfor
120 seconds.
Procedure: Clear the EHIBATVG-B Alarm
Step 1 The problem is external to the ONS 15454 SDH. Troubleshoot the power source for battery lead B.
1.5.24 ELWBATVG-A
Major, Service-affecting
The voltage on battery feed A is extremely low or has been lost, and power redundancy is no longer
guaranteed. The extreme low voltage battery A alarm occurs when the voltage on battery feed A drops
below -40.5 V DC. The alarm clears when voltage has remained above -40.5 Vdc for 120 seconds.
Procedure: Clear the ELWBATVG-A Alarm
Step 1 The problem is external to the ONS 15454 SDH. Troubleshoot the power source for battery lead A.
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