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MODULATOR
Master Sentry Intercom and Video System with Standard CCTV Cameras
MK-DBC
A1
A2
CCTV Camera
75 Ohm, 1V Peak-to-peak
(Independently powered)
Center cond. to MV+
CCTV Camera
75 Ohm, 1V Peak-to-peak
(Independently powered)
Center cond. to MV+
JUMPER CLIP & DEVIATION CONTROL:
under rubber cover in upper right corner of the faceplate of the
MYW-MD/B.
To control contrast, adjust
with a small screwdriver.
Ensure that jumper clip is
between the top two pins.
System Configurations:
1 Aiphone video door station and 2 CCTV cameras
or
2 Aiphone video door stations and 1 CCTV camera
Optional:
Part #261380 - Video Output connector for MYW-P3L.
(Provides a 1V peak-to-peak video signal output when
the Aiphone monitor is on.)
Pg. 2
MYW-MD/B
MA1
MA2
MV+
MV-
Braid to MV-
* Any LE or LS series
door station may be used.
+
-
MYW-MD/B
MA1
MA2
MV+
MV-
Braid to MV-
+
-
Located
MYW-P3L
1A1
1A2
2A1
Polarized
2A2
LE-DA*
DA
1
DB
E
E
R
12+
12-
-
EL2
KA
KB
18+
18-
3A1
Polarized
3A2
B1
B2
U1
U2
18+
18-
NOTES:
1. In the above system example, the CCTV
cameras are addressed by pressing the
MONITOR button on the MYH-CUB. Press once
to turn on camera 1 (MK-DBC), press again to
switch to camera 2 (CCTV #1). Pressing
MONITOR a third time will switch to Camera 3
(CCTV #2), and a fourth time turns the monitor
off.
2. The LE-DA will become active by selecting
station #9 on the LEF-10C. Selecting this station
will also activate CCTV camera #2. The camera
will not activate when the LE-DA calls in.
ONLY WIRING CONCERNING THIS APPLICATION
IS SHOWN HERE. SEE PRODUCT INSTRUCTIONS
FOR COMPLETE WIRING INFORMATION.
LEF-10C*
10
9
E
R
12+
12-
L
K10
K9
* Any 5 or 10 call LEF
series master can be
used.
Separate video cable from
intercom cable
MYH-CUB*
A1
A2
U1
U2
PS-18C
+
+
-
-
* Use MYH-CU for surface
mount applications.
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