Aiphone LEF-3 Specifications page 2

ARCHITECTS/ENGINEERS' SPECIFICATIONS:
The intercom system shall be of an open voice,
selective calling type with individual selector switches
for each station. Capacity shall be 4 stations, fully
intermixable with any number of master or sub
stations. Master station shall be simplex operation,
with hands free response from the called station.
Master station shall be equipped with station selector
switches, OFF button for standby mode, TALK button
for simplex operation, and PRIV (privacy) button to
block unauthorized monitoring. Voice volume control
shall adjust transmit and receive volume at the calling
master station, and a call tone volume control shall
be located beneath the operation plate. An incoming
call shall be annunciated by a momentary electronic
call tone, and the corresponding station LED shall
light for approximately 20 seconds. The LED shall
not light if a master station calls another master
station. LEDs above selector buttons shall illuminate
when the station button is pressed at the calling
master. The Occupied LED shall light to indicate
that the system is in use, and the Off LED shall light
on the master station that has a station selected.
Master station shall wall mount on a 1-gang box or
ring or be desk mounted. Sub stations shall be
available in the following configurations: (1) surface
or flush mount styles, with or without privacy; (2)
surface mount with three call buttons, with or without
privacy; (3) weather resistant door stations in surface
or flush mount styles, mounted on or in standard 1-
gang or 2-gang boxes; (4) vandal proof sub station,
indoor or outdoor styles, with optional surface mount
box.
An optional adaptor shall be available to provide
chime from up to three door stations, and provide
an auxiliary input to distribute background music to
all or selected sub or master stations in the system.
Wiring shall be multiple conductors with an overall
shield inside a single jacket, including five (5)
common wires, plus one (1) individual wire per
station in the system between masters. Maximum
9 conductors. Wiring to sub stations shall be two
(2) conductors in a 1-master system, and three (3)
conductors in a system with two or more masters.
Manufacturer must have earned
certification on all intercommunication products.
Intercom Solutions For
Communications and Security
Aiphone Communication Systems • 1700 130th Ave. NE • Bellevue, WA 98005
(425) 455-0510 • FAX: (425) 455-0071 • (800) 692-0200 • http://www.aiphone.com
SPECIFICATIONS:
Power source:
Output:
Communication:
Talk channel:
Capacity:
Wiring:
Wiring Distance:
Speaker sensitivity:
Total Harmonic
Distortion:
Signal to Noise
Ratio:
Frequency Response: -3dB, 770-6800Hz.
Dimensions
(H x W x D):
ISO 9001
12V DC, 300mA per station.
Use PS-1225UL
800mW @ 20 ohms (reception),
500mW @ 20 ohms (transmission)
Press-to-talk, release-to-listen at
master station. Hands free response.
1 talkpath. Occupied LED when in use.
Up to 4 stations, intermixable
5 common wires (E, R, Y, +, -), plus 1
individual wire per station, looped.
Sub stations: 2 wires homerun in
single master system, or 2 common wires
(E, -), plus 1 individual wire per
station, looped or homerun.
650' w/22AWG; 1600' w/18AWG
40dB
Less than 5% at rated output power
60dB
LEF-3
7-1/16" x 5-5/8" x 2-3/16"
LEF-3-SS 92322 1104