7
Please refer to the protocol sheets for detailed information.
Protocol
Baud rate
Parity
120
Ω
Connect to the 120
Ω
1 2 3 4
5
6
7 8 ON
Please note the speed dome cans automatically recognize the DH-SD, PELCO-D. PELCO-P. Usually
you do not need to set.
1
2
3
Communication Protocol
OFF OFF OFF
DH-SD
（
Compatible with China
industrial standard protocol
）
ON OFF OFF PELCO-D
OFF ON
OFF
PELCO-P
X X X
Reserved
Please refer to the baud rate sheet for detailed information.
4
5
Baud Rate
OFF OFF 9600bps
ON OFF
4800bps
OFF ON 2400bps
ON ON 1200bps
Please refer to the parity setup sheet for detailed information.
6
7
Parity
OFF OFF NONE
ON OFF
EVEN
OFF ON ODD
ON ON NONE
2.2
Set address dial switch
SW1
Figure 2-3
The encode mode adopts binary system. 1 to 8 is the valid bit. The highest address bit is 255. You can refer