Aiphone - LEF-3L 3-CALL MST W/SEL DR REL

Analog 3-Channel Master Station with Selective Door Release The LEF-3L is a selective calling open voice style master station with selective door release capability with a maximum capacity of four stations, including itself. Features Up to 4 stations Flexible system, mix any 4 master and submaster stations LED and tone to announce incoming calls Push-to-talk to calling master station Hands-free communication at responding station Selective monitoring Selective door release Voice and call tone volume controls Specs Power Source 12V DC, 300mA per station. Use PS‑1208UL, or PS-1225UL for systems with BG-10C. Output 800mW @ 20Ω (reception)500mW @ 20Ω (transmission) Talk Channel 1 talkpath. Occupied LED when in use. Wiring 5 common wires (E, R, Y, +, -), plus 1 individual wire per station, looped.Sub stations: 2 wires homerun in single master systems, or 2 common wires (E, -), plus 1 individual wire per station, looped or homerun. Relay Contact RY-PA, normally open or normall