cabin and NOT crossing the vehicle’s firewall protection).
3.3.2 Connecting the power cable to the device
3.3.2.1 Connecting
• Ensure the power supply cable is disconnected from the device.
• Connect the data cables.
• Locate the power connector on the front of the device.
• Insert the power cable connector.
3.3.2.2 Disconnecting
• Disconnect the power supply cable from the device.
• Disconnect the data cables.
3.3.2.3 Power connector pinout
PIN
Signal
Description
1
GND
GND
2
VCC
Battery. +12V to +24V
3
ACC / IGNITION
Ignition control. Input signal.
4
DO (Digital Output)
Digital output capable of sinking 250mA
3.3.3 Cable features
In the United States and Canada, the cable should be a UL listed, SAE type GPT cable (min. 18AWG).
Note
The cable features may vary depending on the recommendations in the country in which the equipment
is installed. The cable must always be 18 AWG or above.
3.3.3.1 Power cord pinout
bintec elmeg GmbH provides a 100cm 23 AWG power cord with the following pin assignment.
PIN
Color
Signal
1
Black
GND / BATTERY (-)
2
Red
VCC / BATTERY (+)
3
Yellow
ACC / IGNITION
4
Green
DO (Digital Output)
3.3.4 Power Management
The power management system in the bintec H2 Aut is always ON.
In this operating mode, the device expects to be constantly powered and the ACC / IGNITION signal operates as a
bintec elmeg GmbH
3 Components and power supply
bintec H2 Aut
11
