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The Aiphone LEF-10S 10-Call Surface Mount Audio Master Station with All Call Button is a selective-calling open-voice style master station with capacity of up to 11 total stations. The system can be designed to meet a wide variety of needs, including any combination of master and sub stations up to its maximum capacity. In addition, the master station can be wall or desk mounted.
Incoming calls from a sub or door station are annunciated with a momentary electronic mono-tone and an LED, remaining lit for approximately 20 seconds. Communication at the calling master is press-to-talk, release-to-listen, and hands-free at the responding 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. The privacy feature on the master and selected subs prevent eavesdropping from the master station.
An All Call announcement can be made from the master station, heard through all stations in the system.
Note: The BG-10C All Call/Chime Adapter needs to purchased separately for All Call.
Supports up to 11 stations
Fully intermixable system, including any number of masters and subs up to the maximum capacity
LED annunciation and momentary tone from the calling sub or door station
Push-to-talk at the calling master, with hands-free communication at the responding station
All Call button (requires BG-10C All Call/Chime Adapter)
Supports variety of sub stations (surface or flush mount)
Video door entry can be integrated
Privacy button to prevent eavesdropping
Voice and call tone volume controls
Selective door release
In the Box
Aiphone LEF-10S 10-Call Surface Mount Audio Master Station with All Call Button
Limited 1-Year Warranty
Table of Contents
12 VDC, 300 mA per station (use PS-1225UL power supply)
Press-to-talk, release-to-listen at master station. Hands-free response
1 Talkpath (occupied LED when in use)
Up to 11 stations, intermixable
5 common wires (E, R, Y, +, -), plus 1 individual wire per station, looped All Call: 3 additional common wires (P1 to P3) 1 additional common wire (L) for door release 1 additional wire for each door to be released (K1 to K10) Sub stations: 2 wires homerun in single master system, or 2 common wires (E, -), plus 1 individual wire per station, looped or homerun
Wiring 650.0' (198.1 m) with 22AWG; 1600.0' (487.6 m) with 18AWG, 1000.0' (304.8 m) with 20AWG
Select Switch Extra: 12 VDC, 30 mA ("K1 to K10" terminals for external device control) Door Release Button: 30 VDC, 100 mA (resistance load) RY-PA: 110 VAC, 1 A; or 24 VDC, 1 A
40 dB (speaker)
Less than 5% at rated output power
Signal to Noise Ratio
-3 dB, 770 to 6800 Hz
LEF or LAF Series Master Stations LE-, LA-, or LS-series Sub/Door Stations • BG-10C All Call/Chime/Music Adapter PS-1225UL Power Supply
Dimensions (H x W x D)
8.1 x 7.5 x 1.1" (20.5 x 19.0 x 2.7 cm)
22.9 oz (650.0 g)
Aiphone LEF-10S 10-Call Surface Mount Audio Master Station with All Call Button Review