LEF-3L Aiphone Master Selective Call Station w/Selective Door Release
LEF-3L is a surface mount open voice style master with door control ability.
A maximum of 4 stations can be used in one system and any combination of doors and masters can be used to reach its maximum capacity.
Intermixable system with any number of masters and subs to maximum capacity
Selective calling, monitoring, and optional All Call Push-to-talk at master, hands-free reply at called station
Call tone and LED annunciation at master
Selective door release(w/ RY-PA per door) on LEF 3L/5/10 Call Masters

Specifications:
Maximum Capacity: 4
Dimensions: 5-5/8" W X 7-1/16" H X 2-1/8" D
Power Source - 12V DC - Use PS-1225UL
Communication - Sub calls in with call-tone and LED, 20 sec. Depress the LED selector button, use TALK/LISTEN switch. Master calls in with tone or voice (no LED lit), reply hands-free. To call, depress a selector, and call by voice or tone Chime available with BG-10C
Communication Output - 500mW
Door release - RY-PA Contact rating: 24V DC, 1A Use 1 RY-PA per door being released
Wiring - Varies by system, see instruction manual or contact technical support