Originally Posted By: peter
I have an APC Smart-UPS and the alarm can be turned off over the serial port; there's an option in the apcupsd config file.

Although, following today's thunderstorms, I can now reveal that just setting it in the apcupsd config file doesn't actually do anything to the UPS: you have to use apctest's "set EPROM data" facility to set the alarm timeout to "N".

Peter