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Hitachi Home Security System HV-D37A
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REMOTE connector (HR10A-7R-4S)
Pin No.
Signal Designation
1
+12V OUT
2
RXD/SD IN
3
TXD/SD OUT
4
GND
Plug: HR10A-7P-4P
DC IN connector (R03-R3M2)
Pin No.
Signal Designation
A
GND
B
+12V IN
C
NC
P
l
u
g
:
R
0
3
-
P
3
F
1
4
2
3
A
C
B
1
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