Issue
Note : The D4112 is not UL listed for Commercial Fire Applications. This control does not support multiple detectors in alarm. Do not use smoke detectors from different manufacturers on the same circuit.
Radionics
Head D262 / Base D260 (20 per loop)
Detection Systems
Head DS200 / Base MB200-2W (10 per loop)
Head DS200HD / Base MB200-2W (10 per loop)
System Sensor
Head 1400 / Base N/A (10 per loop)
Head 2400 / Base N/A (10 per loop)
Head 2400th / Base N/A (10 per loop)
Head 1451 / Base B401, B401B (10 per loop)
Head 1451DH / Base DH400 (10 per loop)
Head 2451 / Base B401, B401B, DH400 (10 per loop)
Head 2451TH / Base B401, B401B, DH400 (10 per loop)
Head 2300T / Base N/A (10 per loop)