Panasonic WV-CS850B Operating Instructions Manual page 49

• 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.
Brown
Red
Orange
Yellow
Green
Function
IN 1
GND
IN 2
GND
IN 3
GND
IN 4
GND
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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 con-
nected device exceeds the ratings.
GND
T (B)
T (A)
R (B)
R (A)
Function
OUT 1
GND
OUT 2
GND