www.acti.com
Hardware Manual
36
Understanding the DI/DO Cables
You can connect up to two DI and two DO devices to your camera.
Device
Cable Color
Connection
Digital Input 1
(DI1)
Black
Ground (GND)
Red
Digital Input 1 (DI1)
Digital Input 2
(DI2)
Yellow
Ground (GND)
Blue
Digital Input 2 (DI2)
Digital Output 1
(DO1)
Brown
12V DC
Orange
Digital Output 1 (DO1)
Digital Output 2
(DO2)
Green
12V DC
Purple
Digital Output 2 (DO2)
The table below shows the DI/DO connection specifications:
Device
DI
Connection design
TTL - compatible logic levels
Voltage
To trigger (low)
Logic level 0: 0V ~ 0.4V
Normal (high)
Logic level 1: 3.1V ~ 30V
Current
10mA ~ 100mA
DO
Connection design
Transistor (Open Collector)
Voltage & Current
< 24V DC, < 100mA
