User Manual

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Hardware Manual
25
Understanding the DI/DO Cables
You can connect up to one (1) DI and one (1) DO device to your camera.
Digital Input Cables
Cable Color
Wiring Connection
Ground Pin (GND)
Black
To connect a digital input device, map the
digital input device wires to DI (red) and
GND (black) wires.
Digital Input (DI)
Red
Digital Output Cables
Cable Color
Wiring Connection
12V (12V)
Yellow
To connect digital output devices, map the
digital output device wires to 12V (yellow)
and DO (brown) wires.
Digital Output (DO)
Brown
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, < 50mA