RAD-32 & RAD-64
The RAD-32 and RAD-64 are 32- and 64-zone interior radio boxes are compliant with NFPA 1221. Each zone is end-of-line resistor type with 4.7K Ohms as the standard value. Ground detection is built in for both sides of each zone connection. The unit consists of 12-VDC battery, AC transformer, microprocessor control board, and AM or FM radio transmitter. Built-in features include battery charger, watchdog timer, auto restart, clock circuit, alarm/trouble visual and audible indicators, zone-bypass, local FORM C trouble relay, AC power fail and low battery detection, fuse blow circuit, and a processor stop circuit should battery voltage drop below 8.5 VDC.