Panasonic WV-CS850 Operating Instructions Manual page 52

• 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
• 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 colours versus pin functions.
• 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.
Note: Use a relay if the voltage or current of the connected device exceeds the ratings.
52
Alarm IN (8-pin)
Wire Colour
Black
Brown
Red
Orange
Yellow
Light Blue or Green
Blue
Purple
Alarm OUT (4-pin)
Wire Colour
Grey
White
Pink
Yellow Green or Light Blue
Brown
Red
Orange
Yellow
Green
2 ).
Function
IN 1
GND
IN 2
GND
IN 3
GND
IN 4
GND
Function
OUT 1
GND
OUT 2
GND
GND
T (B)
T (A)
R (B)
R (A)