12
1.3
Initial Setup
The default setup is:
Address: 1
Baud rate: 9600
1.4
Dial Switch Setup
The two dial switches of the speed dome are SW1 and SW2. These are to specify the sp eed
dome parameter such as protocol, baud rate, address and etc. When the button is ON, it is 1. In
the SW1 and SW2, 1 is the lowest bit and the 8 is the highest bit. See Figure 1-8.
Please note this series speed dome cans automatically recognize the DH-SD, PELCO-D.
PELCO-P. Usually you do not need to set the protocol.
Figure 1-8
1.4.1 Communication protocol and Baud rate
Please refer to the protocol sheets for detailed information.
Protocol
Baud rate
Parity
1
2
3
4
5
6
7
8
1
2
3
4
Communication Protocol
OFF
OFF
OFF
OFF
DH-SD
（
Compatible with China
industrial standard protocol
）
ON
OFF
OFF
OFF
PELCO-D
OFF
ON
OFF
OFF
PELCO-P
X
X
X
X
Reserved
Please refer to the baud rate sheet for detailed information.
5
6
Baud Rate
OFF
OFF
9600bps
ON
OFF
4800bps
