Aiphone MYW-MD INSTALLATION INSTRUCTIONS
Special
Order
Products
MYW-MD
Video Modulator/Demodulator for MY series Video Systems
- INSTRUCTIONS -
The MYW-MD adaptor converts the video from a 2-wire signal to a standard coaxial video signal
(Demodulator mode). It can also be used to convert a standard CCTV camera's signal to a 2-wire signal,
compatible with Aiphone's MY series video monitors (Modulator mode).
MODULATOR
MYW-MD to integrate a Standard CCTV camera with an Aiphone Monitor
MY-DC
A1
A2
CCTV Camera
75 Ohm, 1V Peak-to-peak
(Independently powered)
JUMPER CLIP: (Located under rubber cover in upper right corner of the faceplate of the MYW-MD)
Set in Modulator (top) position from factory.
Ensure that jumper clip is
between the top two pins.
Center cond. to MV+
Braid to MV-
MYW-MD
MA1
MA2
MV+
MV-
+
-
Polarized
PS-18C
MY-2CD*
1A1
1A2
2A1
2A2
*MYW-MD Can also be used with:
MY-1CD
MY-CU
MYW-P1L
MYW-P3L (input only)
B1
B2
+
-
+
-
MYW-MD TERMINAL DEFINITIONS:
MODULATOR:
MA1 2-Wire output to
MA2 MY monitor/adaptor
MV+ Coax input: center cond.
MV- Coax input: Braided shield
+ Positive 18V DC
- Negative
Input signal requirements:
75 ohm, 1V peak-to-peak.
Coax: Solid copper core with copper braid.
DEMODULATOR:
DA1 2-Wire input from
DA2 MY monitor/adaptor
DV+ Coax output: center cond.
DV- Coax output: Braided shield
+ Positive 18V DC
- Negative
Output signal:
75 ohm, 1V peak-to-peak.
Coax: Solid copper core with copper braid.
Pg. 1
MODULATOR
Pg. 2
Master Sentry Intercom and Video System with Standard CCTV Cameras
MY-DC
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+
Braid to MV-
Braid to MV-
MYW-MD
MA1
MA2
MV+
MV-
+
-
MYW-MD
MA1
MA2
MV+
MV-
Polarized
LE-DA*
1
E
-
* Any LE or LS series
door station may be used.
Polarized
MYW-P3L
1A1
1A2
2A1
2A2
DA
DB
E
R
12+
12-
EL2
KA
KB
18+
18-
3A1
3A2
B1
B2
U1
U2
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
+
-
JUMPER CLIP: (Located under rubber cover in upper
right corner of the faceplate of the MYW-MD)
Set in Modulator (top) position from factory.
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.)
PS-18C
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 (MY-DC), 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 RELATING TO THIS APPLICATION
IS SHOWN HERE. SEE PRODUCT INSTRUCTIONS
FOR COMPLETE WIRING INFORMATION.
+
-
* Use MYH-CU for surface
mount applications.
+
-
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