Advertisement
LDF-C/CA
Console Master System with Selective Controls
SPECIAL ORDER PRODUCTS:
Master Stations
LDF-20C
20-call Master station
LDF-20CA
20-call Master station w/handset
LDF-40C
40-call Master station
LDF-40CA
40-call Master station w/handset
Add-on Selectors
LD-20AS
20-call Add-on selector
LD-40AS
40-call Add-on selector
Sub Stations
LS-NVP/A
Vandal proof, weather resistant
sub station
Accessories
BA-1
Paging adaptor
SYSTEM LAYOUT EXAMPLE:
LE-DA Door Stations
3
2
ARCHITECTS/ENGINEERS' SPECIFICATIONS:
The intercom system shall be of an open voice, selective
calling type, available in 20 or 40 station sizes, with 20 and
40 station add-on selectors for expansion capability.
Master station shall have individual 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 the TALK button to transmit, releasing to listen.
The person at the remote speaks hands free. The system
shall provide master-to-master communication with hands
free reply from the responding station.
STANDARD PRODUCTS:
Sub Stations
Same as LAF-C/CA Series See Pages 15
Accessories
RY-PA
All other accessories: same as the LAF-C/CA series.
See Page 15.
5
4
3
4
LDF-20CA
Master station shall be equipped with power ON/OFF switch,
transmit and receive volume controls, CALL and TALK buttons.
Station selectors shall be in rows of five, with an OFF button
for each row. An "Occupied" LED shall indicate if the system
is in use. All Call transmission from a master shall be available
with additional equipment.
Compatible remote stations shall include surface or flush
mount styles, with or without privacy, outdoor stations, and
vandal proof stations (surface or flush mounted, weather
resistant).
System shall be manufactured by Aiphone.
- 17 -
Relay for each selective output
(One required for each function controlled
from LDF master. If both momentary and
maintained closures are required on the
same channel, an isolation diode is
required for each set of relays.)
LE-D Door Stations
3
4
2
3
= RY-PA relays
Power source for intercom
and door strikes not shown.
LDF-C/CA (2)
Advertisement
