Specifications

Appendix B Uninterruptible Power Supply
B.6.3 UPS Message Summary
The table (Table B-1) below summarizes the UPS messages described above. It is
important that you become familiar with these messages and their meanings to help
maintain the integrity of the data running through your subsystem.
Message AC Power Battery Power
Level (BPL) Status
UPS connection is absent N/A N/A Write back
UPS connection detected N/A N/A Write back
Warning: UPS AC Power-Loss
detected
Disconnected BPL > 50% Write through
Warning: UPS Battery Low 50%.
Please shut down to protect data
loss
Disconnected BPL < 50% Write through
Warning: UPS Battery Low 50%. Connected BPL < 50% Write through
UPS AC Power Restored Reconnected BPL > 50% Write back
UPS AC Power Restored Reconnected BPL < 50% Write through
UPS Battery restored to safe level Reconnected BPL > 50% Write back
Table B-1: UPS Status Messages
UPS Status Monitoring B-5