Configuration Of Baudrate; Configuration Of Address - Dahua IR High Speed Dome Camera User Manual

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6.2 Configuration of Baud Rate
DIP-3 and DIP-4 of the 4-button switch on the PCB board is used to
configure Baudrate of communication, the default configuration is 4800BPS.
Following table shows states of coding switches and cosrresponding
Baudrate.
Remark: If the IR High-speed Dome Camera is used at the farthest terminal,
there should be a parallel connection of a 120Ω terminal matching resistor
between A, B lines of RS485.

6.3 Configuration of Address

Before actual operating of the unit, the address of the IR High-speed dome
camera should be configured. The buttons from DIP-1 to DIP-8 of the
10-button Switch are used to set address of the IR High-speed Dome
Camera from 1 to 255. The coding switches from DIP-1 to DIP-8 are
equivalent to a 8-bit binary figure. The state ―ON‖ of each bit means ―1‖
while ‖OFF‖ means ‖0‖. Corresponding state of coding switches and address
is shown in the table below:.
Correspondence of Address and Coding Switch (DIP1-DIP8 of the 10-button
switch)
No.
4 3
1
0 0
2
0 1
3
1 0
4
1 1
Baudrate
1200 BPS
2400 BPS
4800 BPS
9600 BPS
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