Meridian Data 16i manual UPS Message Summary, Message 5 Warning UPS Battery Low 50%

SecurStor 16i Installation and Hardware Reference Manual

default write back to write through. If this message appears, the subsystem should be properly shut down to avoid data loss.

Message 5: “Warning: UPS Battery Low 50%”

This message appears when the UPS battery power level has dipped below 50% of its capacity. The default write policy will be changed from the default write back to write through.

Message 6: “UPS Battery restored to safe level”

This message appears when the UPS battery power level has been restored to above 50% of its capacity. The write policy will be changed from write through to write back.

Message 7: “UPS AC Power Restored”

This message appears when the AC power supply to the UPS has been reconnected. If the UPS battery power level is below 50%, the write policy will remain as write through. If the battery power level is above 50%, the write policy will change from write through to write back.

C.6.3 UPS Message Summary

TableC-1below 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	Write
				Power	Policy
				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-			Disconnected	BPL > 50%	Write through
Loss detected
Warning:	UPS	Battery	Disconnected	BPL < 50%	Write through
Low 50%.	Please shut
down to protect data loss
Warning:	UPS	Battery	Connected	BPL < 50%	Write through
Low 50%.
UPS AC Power Restored			Reconnected	BPL > 50%	Write back
UPS AC Power Restored			Reconnected	BPL < 50%	Write through
UPS Battery restored to			Reconnected	BPL > 50%	Write back
safe level

Table C-1: UPS Status Messages

C-4