Pg. 2
INTERNAL ADJUSTMENT WHEN JA-D/JF-D AUDIO DOOR STATION IS INCLUDED:
INSTRUCTIONS:
1. Open unit by removing 5 small
screws and lifting off cover.
2. Locate Jumper labeled JP1 on the
right side of the PC board, and JP3
on the top of the board.
3. Remove both jumpers completely,
or move them so they're on just
one of the posts.
4. Replace the cover and the 5
screws.
OPERATIONS
Activation of the camera from a Monitor:
1. The CCTV camera can be viewed on any of the JF/JB monitors in the system by pressing the MONITOR button.
This will turn on the video, but not the audio. To initiate 2-way audio with the outdoor location, press and release
the TALK button momentarily.
2. To turn the monitor off, press the MONITOR button again. Otherwise, it will automatically time out after
approximately 1 minute.
Activation of a camera by the Audio Door Station:
1. When the call button is pressed on the JF-D/JA-D door station, the monitor will turn on with the image from the
CCTV camera, and the chime will sound. The monitor will stay on approximately 30 seconds unless answered.
2. Press TALK momentarily to answer, then speak hands free. Press TALK again to conclude, or unit will turn off
automatically in approximately 1 minute.
A1
A2
B1
B2
+
-
JB-2MD
MASTER
A1
A2
AUDIO
1
2
VIDEO IN
VIDEO OUT
SENSOR
NC
NC
RELAY
NO
NO
JBW-M
PS-1820UL
+
-
JA-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 JA-D
installed)
* Signaling device that provides a
Normally Closed momentary
contact.
NOTES:
1. When using the JB-2MD master,
use the JA-D audio door.
2. Video Output is optional. If not
used, set 75 ohm switch to ON
position.
3. SENSOR input can be used only
if there is no JA-D door station
connected. When used, the camera
will turn on when the sensor device
is activated.
WIRING DIAGRAM (cont): JBW-M with JB-2MD master
