Aiphone - LEF-3 3 CALL MASTER

Analog 3-Channel Master Station The LEF-3 is a selective calling open voice style master station with the capacity of up to 4 total stations. Features Supports up to 4 total master, sub, or door stations LED and tone to announce incoming calls Push-to-talk to calling master station Hands-free communication at responding station Selective monitoring 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) Communication Press-to-talk, release-to-listen at master station. Hands-free at responding station. 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 Capacity Up to 4 stations, intermixable Wiring Distance: 650' w/22A