Filter
Top Products
x x
Pg. 2
NDR Instr.
0703bkjs
Toll Free Technical Support
Phone: 1-800-692-0200
FAX: 1-800-832-3765
WIRING DIAGRAM: SYSTEM USED FOR SELECTIVE DOOR RELEASE
1
2
3
~
20
E
H
+
-
NDR-20A
+
-
PS-2420UL
NE-JA
1
2
3
4
1
2
3
4
NE-JA
1
2
3
~
20 L
1
2
Blk
Wht
NE-DA
RY-PA
#1
RY-PA
#2
RY-PA
#3
BLK
BLK
BLK
YEL
YEL
YEL
External
Terminal Block
Normally Open contacts
are maintained when the
door release button is
being pressed while a
station button is selected.
Closure for Station #1
Closure for Station #2
Closure for Station #3
Aiphone Communication Systems
1700 130th Ave. N.E.
Bellevue, WA 98005
(425) 455-0510
FAX (425) 455-0071
OPERATION:
* POWER SWITCH MUST BE ON FOR SYSTEM TO BE OPERABLE.
1. When a station calls in, press the selector button corresponding to the lit LED.
2. To speak to the person at the remote station, press the TALK button or pick up the handset. Release TALK
button to hear reply. Communication via the handset is VOX (voice actuated).
3. If the extra contacts are used as shown in the "camera call-up" diagram, activating a device that is to remain
on for the duration of the call, the station's relay will stay activated as long as the selector button is depressed.
4. If the extra contacts are used as shown in the "selective door release" diagram, press the "door release" button
while the selector button is depressed. This will activate the corresponding relay as long as the button is being
pressed, which will activate the door release mechanism.
5. When the conversation is completed, press the OFF button to the left of the station selector button.
Hang up handset.
SPECIFICATIONS
Power Source: 24V DC at master. Use PS-2420UL.
Commun. Output: 500mW at 20 ohms
Communication: Push-to-talk, release-to-listen (TALK button) or VOX handset at master.
Hands free at sub station.
Calling: Master to sub: By voice only after pretone.
Sub to master: Call button on sub activates tone and LED at master,
remaining active until answered.
Wiring: 2 conductors homerun to sub station, or loop multi-conductor with 1 common
+ 1 individual wire per sub station on wire run.
Separate 2 conductor from RY-PA to external device.
Shielded cable is recommended.
Use Aiphone #822202 (22AWG)
or #821802 (18AWG) wire (2 cond.).
Wiring Distance: 420' with 22AWG; 1,000' with 18AWG.
For additional information about this system,
please refer to the standard NEM instructions.
To convert RY-PA to N/C
(normally closed) contact:
Move one yellow wire
from "NO" to "NC".
(Internal connection,
soldering required.)
To activate
door release,
press button
located above
TALK button.
AC Power
for Door
Releases
Common for each closure