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4.4 Control Protocol and Baud Rate
Control protocol and baud rate must be set correctly in the dome camera in order to
establish proper control communication between the camera and control device.
Be sure that the same protocol and baud rate must be implemented in control
device, too.
3 types of protocol and 3 levels of baud rate are provided by this speed dome,
through an 8-bit DIP switch labeled DS1.
. .
User’s manual 12
First, installer needs to choose a communication protocol with bit number 3, 4
and 5. Watch that the same protocol is chosen for speed dome and controller.
The following table shows the three protocols provided in this speed dome.
Check what are available in the controller before choosing the protocol.
3 4 5
Protocol
-- -- --
Pelco-D
on -- --
Pelco-P
-- on --
Reserved
on on --
Reserved
Bit 1 and 2 are for baud rate setup. Same baud rate must be set up for the
speed dome and control device, or communication fro control will fail.
1 2 Baud rate
-- --
2,400 bps
on --
4,800 bps
-- on
9,600 bps
DS 1
remark:
1. “--“ means to set the bit to “OFF” position
2. Bit 1 and 2 are for baud rate setup
3. Bit 3, 4 and 5 are for protocol selection
4. Bit 6 is reserved future use
5. Bit 7 is for firmware upgrade
6. Bit 8 is for cooling fan on / off switching