ACTi Outdoor Dome (B8xI8x) on Tilted Wall with Gang Box Converter - Manual (Page 30)

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Installation Guide
30
To connect output devices (DO), map the pins to one of the pin combinations below:
Device Pin Mapping Instructions
Digital Output 1
(DO1)
2 12V Connect the wires of the first output device to 12V
(Pin 2) and DO1 (Pin 4).
4 DO1
Digital Output 2
(DO2)
6 12V Connect the wires of the second output device to 12V
(Pin 6) and DO2 (Pin 8).
8 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, < 50mA
Typical Connection
Based on these specifications, if the DI device has a voltage of 0V ~ 30V or the DO device has a
voltage of < 24V (<100mA), then the camera can supply internal power to these devices and
there is no need to connect the DI/DO device to an external power source.
In this case, wire connection to Pins 1 to 4. Use the GND and DI1 pins to connect a DI device and
use the 12V and DO1 pins to connect a DO device. See wiring scheme below:
Consequently, to connect a second DI or DO device, wire the connection to Pins 5 to 8.