• RS485 Connection
Data transmission
Data reception
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 mm
2
).
• ALARM IN Connections
An 8-pin and a 4-pin harness are supplied with the
camera as standard accessories. Connect external
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 colours versus pin functions.
Alarm IN (8-pin)
Wire colour
Black
Brown
Red
Orange
Yellow
Light blue or green
Blue
Purple
• 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 colours
versus pin functions.
Red
Orange
Yellow
Green
Function
IN 1
GND
IN 2
GND
IN 3
GND
IN 4
GND
-18-
Alarm OUT (4-pin)
Wire colour
Grey
White
Pink
Yellow green or light blue
Note:
Use a relay if the voltage or current of the connected
device exceeds the ratings.
T (B)
T (A)
R (B)
R (A)
Function
OUT 1
GND
OUT 2
GND