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RS485 Connection
GND
T (B)
T (A)
R{B)
R (A)
Note:
Use the cable that is described below for RS485 site communication.
• Shielded, twisted pair cable
• Low impedance
• Wire gauge size is thicker than AWG #22 (0.33 mm2).
• ALARM IN Connections
An 8-pin and a 4-pin harness are supplied with the camera as standard accessories. Connect exter¬
nal sensors to this connector. Input specifications are low-active, non-voltage contact (ON when
active) or open collector (Low when active). The table below shows wire colors versus pin functions.
Alarm IN (8-pin)
Wire color
Function
Black
IN 1
Brown
GND
Red
IN 2
Orange
GND
Yellow
IN 3
Light blue or green
GND
Blue
IN 4
Purple
GND
• ALARM OUT Connections
Connect an external device, for example, a buzzer or lamp, to this connector. Output specifications
are low-active, open-collector and a drive capacity of 16 V DC 100 mA maximum. The table below
shows wire colors versus pin functions.
Alarm OUT (4-pin)
Wire color
Function
Gray
OUT 1
White
GND
Pink
OUT 2
Yellow green or light blue
GND
Note:
Use a relay if the voltage or current of the connected device exceeds the ratings.
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