
LEM-1DL/C Multi-Master Door Answering System
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ARCHITECTS/ENGINEERS’ SPECIFICATIONS:
The intercom system shall be of an open voice, selective
calling type with one channel for communication to a remote
station. Up to six master stations shall be able to be
connected, each answering the remote, and requiring their
own power source. Distance from the door to the last master
station shall be within the specified limitations.
A call signal from a remote station shall activate a call tone
on the master stations. The call tone shall last as long as the
call button is being pressed on the remote. Any master shall
be able to answer by pressing the “TALK” button, holding
the “TALK” button to transmit, and releasing to listen. The
person at the remote station speaks hands free.
SPECIAL ORDER PRODUCTS:
Master Station
LEM-1DL/C Master station w/ occupied LED
Sub Stations
LS-NVP/A Vandal proof, weather resistant
sub station
STANDARD PRODUCTS:
Sub Stations
LE-D Door station, surface mount
LE-DA Door station, flush stainless steel
AH-108 10W 8 ohm horn w/ built-in capacitor
Accessories
NP-B Call button for use with AH-108
NP-W Surface mount box for NP-B
RY-AC External signaling relay
(Req’s 12VDC power)
SBX-NVP Surface mount box for LS-NVP/A
EL-9S Electric door strike
PT-1210N 12V AC, 10VA power supply,
1 per master (and for EL-9S)
There shall be no master-to-master communication.
Master station shall be equipped with a door release button,
providinga normally open contact.Othercontrols shall include
TALK and OFF buttons, voice and call tone volume controls.
An “Occupied” LED shall indicate if the system is in use.
Compatible remote stations shall include surface or flush
mount styles, indoor or outdoor stations, and vandal proof
stations.
System shall be manufactured by Aiphone.
LEM-1DL/C (2)
SYSTEM LAYOUT EXAMPLE:
LEM-1DL/C
LE-D
DoorStrike
LEM-1DL/C
3
2
2
2
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PT-1210N
PT-1210N