AIPHONE GF-BC 2-WIRE BUS CONTROL UNIT FOR GF SYSTEM

Two wire, Audio Bus Control Unit. Features: Full module panel construction Vandal-proof zinc alloy diecast panels Multiple bus lines from junction point to room station stations (max. 50) or entrance stations (max. 3) One or two room stations Optional doorbell button with different tone from entrance (one inside station only) Call tone cutout with switch Door release and light control from room station System setup without using extra tools Max 980' (300m) distance from junction to the farthest room station per bus line