- INSTRUCTIONS -
The JBW-M adaptor converts a standard CCTV camera's signal to a 2-wire signal, compatible with the JF and JB
Open Voice Color Video systems. This allows the utilization of a color CCTV camera and a separate audio door
station (JF-D or JA-D) to be used in place of a JF/JB video door station. A motion detector or other activation
device can be connected to the Sensor input to trigger the system. The CCTV camera can also be connected to a
standard CCTV system for continual viewing and/or recording. The unit is equipped with a relay output to trigger
an external device, such as a DVR or video switcher whenever the audio and video to the Aiphone monitor is on.
Video Modulator with Audio Door Station and CCTV Interface
MASTER
A1
A2
AUDIO
1
2
VIDEO IN
VIDEO OUT
SENSOR
NC
NC
RELAY
NO
NO
JBW-M
PS-1820UL
+
-
Pg. 1
WIRING DIAGRAM:
JBW-M Modulator for Standard CCTV camera and Audio-only door station (JF-2MED System)
OUT
IN
VIDEO
OFF ON
75 OHM
AIPHONE
SENSOR RELAY MASTER AUDIO
NC NC NO NO A1 A2 1 2
JF-D
(Optional, only if Sensor
input is not used)
1
2
CCTV Camera
75 Ohm, 1V Peak-to-peak
(Independently powered)
Constant video output for
CCTV monitor, DVR, etc.
Normally Open contact for
remote device activation
(i.e. video switcher, DVR, etc.)
When VIDEO OUT is connected,
set 75ohm switch to OFF position.
Remote Activation*
(Optional, only with no JF-D
installed)
* Signaling device that provides a
Normally Closed momentary
contact.
NOTES:
1. When using the JF-2MED master,
use the JF-D audio door station.
2. Video Output is optional. If not
used, set 75 ohm switch to the
ON position.
3. SENSOR input can be used only
if there is no JF-D door station
connected. When used, the
camera will turn on when the
sensor device is activated.
JF-2MED
Door 1
JF-DA/DV/DVF
A1
A2
+
A1
A2
B1
B2
A1
A2
D
O
OR
2
-
D
O
OR 1
