Four Style B (Class B) Initiating Device Circuits (IDCs).
All zones accept two-wire smoke detectors and any normally-open
contact devices.
One built-in, Style Y (Class B) Notification Appliance (Signal)
Circuits (NACs).
Alarm, Trouble and Supervisory, Form-C relays standard.
**-volt operation.
Resettable four-wire smoke detector *@********************ettable power
