NV-KBD30 ver. 2.0 - User’s manual
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9
KEYBOARD OVERVIEW
3.3. Back panel description
Rear panel view.
RJ-45
for connecting the DVR
Pin descrpition:
1 -
2 -
3 -
4 - RS-485 (-)
5 - RS-485 (+)
6 -
7 -
8 -
Power supply socket
Polarisation:
+ 9V DC in the middle pin
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