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The LEF-3C 3-Call Semi-Flush Mount Master Station from Aiphone is a selective-calling open-voice style master station, used to answer calls from other remotes or masters. The LEF-3C can be part of a larger system with the ability to communicate with three other stations, and make an All Call and/or receive background music (requires All Call/Chime Adapter, available separately). The master station flush-mounts into a wall.
Incoming calls from a sub or door station are annunciated with a momentary electronic mono-tone and an LED that remains alight for approximately 20 sec. Communication at the calling master is press-to-talk, release-to-listen, and hands-free at the receiving station. The person at the master station can selectively call and talk with a person at any other sub or master station in the system.
Supports up to 4 stations
Fully intermixable system, including any number of master and sub stations up to the maximum capacity
LED annunciation and momentary tone from calling sub or door station
Communication at the calling master is press-to-talk, release-to-listen
Hands-free communication at responding station
Privacy button to prevent eavesdropping
Voice and call tone volume controls
In the Box
Aiphone LEF-3C 3-Call Semi-Flush Mount Master Station for LEF Series Hands-Free Selective Call Intercom System
Limited 1-Year Warranty
Table of Contents
LE-series Sub/Door Stations
BG-10C All Call/Chime Adapter
PS-1225UL Power Supply
12 VDC, 300 mA per station
Use PS-1225UL power supply (sold separately); one power supply is required per system
Press-to-talk, release-to-listen at
Hands free response at responding station
1 talk path, occupied LED glows when in use
Up to 4 stations, intermixable
Communication only: 5 common wires + 1 per station in the system, looped
Communication and All Call: 8 common wires + 1 per station in the system, looped
Communcation, All Call, Door Release: 9 common wires + 1 per station in the system, looped.
Standard Sub: 2 common wires + 1 per station on the loop
LE-C/CN: 4 common wires + 2 per station on the loop
Single Master System: 2 wires per sub station, homerun
Wiring: 650.0' (198.1 m) with 22AWG
1,000' (304.8 m) with 20AWG
1,600' (488 m) with 18AWG
110 VAC / 1A, 24 VDC / 1A (selective door release or control of external
capacity for door release devices), on output of RY-PA relay.)
K Terminal: 12 VDC, 1A (selector switch contact capacity)