Aiphone LEF-3L User Manual

– 10 –
6
OPERATIONS
■
Calling a master station or sub station:
1. Push appropriate Station Selector button 1~3. (Audio can now be heard from selected station.)
2. Press and hold TALK button on master station to speak, release to listen.
3. To end, push OFF button.
■
Receiving a call from a sub station:
1. Sub station calls in with tone and LED light indication on master station, Light will stay lit for approximately 20 seconds
before timing out.
2. Push corresponding Station Selector button on LEF-3L.
3. Press and hold TALK button on master station to speak, release to listen.
4. Communication at sub station or door station is ALWAYS hands-free.
5. To end call, push OFF button.
■
Receiving call from another master station:
1. When a master station calls another master station (no tone or LED), responses are hands-free and do not require any
action.
2. The OCCUPIED LED will be on while the initiated master station has a station selected.
Note: There is no designation as to which master station is calling in.
■
Door answering (from a master station only):

1. A call tone will sound and an LED will light up to indicate door station calling in. LED will stay lit for approximately 20
seconds.
2. Push corresponding Station Selector button on LEF-3L.
3. Press and hold TALK button on master station to speak, release to listen.
4. To end call, push OFF button.
■
Door release with LOCK button:

LEF-3L provides selective door release to multiple doors (one RY-PA for each door). When communication is established
with a door station, push the door release (
) button to release the corresponding door strike.
· Use the door release button only when the TALK button is not pressed. Do not operate the door release when talking.
· Proper (relay) operation may not be guaranteed under the following conditions:
· When a master station is called from another sub or master station while talking (including when the call tone is
sounding)
· When a master station is called from another master station while the OCCUPIED LED is on

Aiphone LEF-3L Specifications

Power

power source	12V DC
communication output (receive)	800mW @ 20 ohms
communication output (transmit)	500mW @ 20 ohms

Wiring

wiring distance with 22AWG	650'
wiring distance with 18AWG	1, 600'
dimensions (HxWxD)	7-1/16" x 5-5/8" x 2-3/16"

Relay Specifications

RY-PA contact rating (AC)	1A, 110V
RY-PA contact rating (DC)	1A, 24V
use PS-1225UL	yes