User manual for Speed Dome Camera NVAHD-1DN3102SD/IR-1 ver. 1.0
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START-UP AND INITIAL CAMERA CONFIGURATION
2.2 Baud Speed Settings
Use DIP switches to set baud speed in NVAHD-1DN3102SD/IR-1 camera
Controlling through port RS485 all devices should be connected parallel. Each end of the bus should
be ended with 120 Ohm resistor.
AHD camera got internal1 20 Ohm resistor, witch can be on or off depends on switch position.
2.3 Camera Address
Camera address (consistent with the principles of the binary address), is set
with 8 DIP switches. After you connect external keyboard on one bus
RS485 you can control over 255 cameras. But each camera need different
unique address, that you set according to the table:
External resistor ON
External resistor OFF
SW1 Switch Position
Adress
SW1-1
SW1-2
SW1-3
SW1-4
SW1-5
SW1-6
SW1-7
SW1-8
1
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
3
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
4
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
5
ON
OFF
ON
OFF
OFF
OFF
OFF
OFF
6
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF