V2.0 06/13/13
5
System Setup DIP Switch SW1
ON = 1 OFF = 0
Baud rate setting
DIP Switch
8
7
6
5
4
3
2
1
Function
DIP Switch 3, 2 =
00=2400
01=4800
10=9600
ON and OFF are indicated on the DIP Switches to show the DIP positions.
PELCO-D and PELCO-P can be automatically recognized.
J7 pin = if jumpers 2-3 is short circuited, terminal connects
to 120Ω resistance. If jumpers 1-2
short, terminal is not connected to 120Ω resistance.
To select the baud rate set switches 3 and 2 on the System Setup DIP Switch as described
above.
Camera Module Selection
The ST-PTZ550-27 uses the Samsung SDM-270
camera module although various other camera modules
may be compatible with the unit. The DIP switch
settings on the camera module’s PCB board are factory
set for the SDM-270 and are not to be adjusted by the
installer or user.
5. WIRING CONNECTIONS
a. Connect the power supply cable and communications cable to the AC24V and RS485
connections on the main board as shown above.
b. Connect the camera to the monitor with a 75
coaxial video cable.
c.
Connect power supply’s AC plug to a suitable AC power outlet.
d. Make an RS485 connection between the camera and the PTZ controller. Ensure the
connections at the PTZ controller and camera have the same polarities.
1. Power supply and
communication cable:
AC24V power supply
AC24V power RS485
2. Video output
