The alarms that you can monitor from the UPS differ with the make and model of UPS.
The most common alarms are: Mains OK, Battery Low and Inverter OK.
Other alarms that are available from UPS alarm cards are as follows: Mains Fail, Bypass Active, Battery OK, UPS OK and UPS Fault, some alarm cards even come complete with a UPS Shutdown facility.
Most UPS’s have an external slot where you fit the alarm card into.
The alarms are Volt Free Contacts (VFC) or Dry Contacts, which open or close upon fault depending on the make and model of UPS.
Some more modern makes of UPS come complete with alarms as standard.