
LEF-LD Long Distance and Elevator Intercom System
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ARCHITECTS/ENGINEERS’ SPECIFICATIONS:
The intercom system shall be of an open voice, selective
calling type with three channels for communication and
selective control.
Master station shall have selector buttons with associated
LEDs for call-in indication, and a directory for station labeling.
A call-in shall light the LED for approximately 20 seconds
and activate a momentary call tone. The call shall be
answered by pressing the station’s selector button, then
pressing TALK button to transmit, releasing to listen. The
person at the remote speaks hands free.
SPECIAL ORDER PRODUCTS:
Surface Mount Master Stations
LEF-3-LD
3-call master for L.D./elevators
LEF-5-LD
5-call master for L.D./elevators
LEF-10-LD
10-call master for L.D./elevators
LEF-10S*-LD
10-call master for L.D./elevators
*Incl. All Call button. Add BG-10C
and PS-12F for All Call
Flush Mount Master Stations
LEF-3C-LD
3-call master for L.D./elevators
LEF-5C-LD
5-call master for L.D./elevators
LEF-10C-LD
10-call master for L.D./elevators
Console Style Master Stations
LAF-20C-LD
20-call master for L.D./elevators
LAF-20CA-LD 20-call hndst. mstr. for L.D./elevators
LAF-40C/CA-LD available upon request
LDF-LD available upon request
STANDARD PRODUCTS:
Sub Stations
IF-DA-LD
Remote station, surface mount
IE-JA-LD
Remote station, flush mt. stainless steel
Accessories
RY-AC
External signaling relay
PS-12C
12V DC power supply, 1A
BG-10C
All Call, Chime, and Music Adaptor
PS-12F
Power supply for system with BG-10C
NP-25V
Non-polarized, 33
µ
fd, 25V Capacitor
(Required for each sub when using
the BG-10C.)
Master station shall be capable of transmitting and receiving
audio communication with remotes up to 2,000’ away with
22AWG wire, and 4,000’ with 18AWG wire. Controls on the
master stations shall include TALK and OFF buttons, voice
and call tone volume controls, and an “Occupied” LED to
indicate if the system is in use.
Compatible remote stations shall include surface or flush
mount styles designed for outdoor use, rated as weather
resistant.
System shall be manufactured by Aiphone.
LEF-LD (2)
SYSTEM LAYOUT EXAMPLE:
LEF-3-LD
IF-DA-LD
IE-JA-LD
IF-DA-LD
2
3
3
3
PS-12C