Aiphone JOS-1A2 Installation & Operation Manual page 8

WIRING
Insert wires securely into each terminal as shown.
Video door station
JO-DA
JO-DV JO-DVF
A1 A2
Electric door
strike
AC transformer
EL-12S
Door release
An EL-12S (AC 12 V, 0.125 A, DC 12 V, 0.2 A) or
equivalent part and a separate AC transformer (or
power supply) are required.
Door release contact: AC/DC 24 V, 0.5 A
(Minimum contact: 100 mV DC, 0.1 mA)
(N/O dry closure contact L).
*Run separate cables for audio/video and door release.
Call extension speaker IER-2
Presence of sound from IER-2
Call tone from door station.
8
2
NP
2
NP
(To optional units)
(AC/DC 24V, 0.5A N/O dry closure contact)
(Minimum contact: 100mV DC, 0.1mA)
2
NP
2
NP
Expansion monitor station
JO-1FD
2
NP
(To optional units)
(AC/DC 24V, 0.5A N/O dry closure contact)
(Minimum contact: 100mV DC, 0.1mA)
2
P
2
P
+ -
PS18
PS18
: Power supply
PS-1820D
IN 230V~ 50/60Hz
- ++
-
L N
L
N
230V AC 18V DC 2A
50/60Hz
Without grounding, the units may not operate
normally.
Master monitor station
JO-1MD
NP: Non-polarized
P: Polarized
PS-1820
PS-1820S
PS-1820UL
18V DC 2A
100V - 240V
+
-
50/60Hz