Digital Output; Power Modes And Information - Sierra Wireless AirLink GX400 User Manual

AirLink GX400
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• When a container fills or empties.
• When a switch or valve is opened or closed.
• When the tow bar is raised or lowered.
• Connected to a sensor, the level of fuel in a vehicle.
• When the trunk of a vehicle is opened or closed.
• When the ignition is turned on or off.

Digital Output

Digital Output of open collector design is capable of driving an external device
such as a pull-up resistor or relay. As an example, a relay could be connected
between the output pin and an external voltage. The voltage on the relay cannot
exceed 30V. The digital output pin can handle up to 150mA.
Examples of using the digital output with an external relay or pull-up resistor:
• Setting off an alarm or siren.
• Triggering a process to start on another device.
• Opening or closing a valve or switch.
• Locking or unlocking a door. Inputs,
• Turning a light on or off.
• Opening the vehicle's trunk or doors.

Power Modes and Information

By default, AirLink GX400 comes up according to the pre-defined power
sequence. However, provisions are in place such that the CPU can be put into low
power mode. Low power mode turns off the 1.8V (memory interface) and 1.0V
(core) supply voltages connected to the processor to save power.
The AirLink GX400 can be configured to switch power modes in response to
specific events, such as when the voltage to the device drops below a configured
threshold or when ignition is turned off, in order to conserve a vehicle's battery
life. The stand-by state, low-power mode, will prevent the device from draining the
battery while allowing the device to quickly power up to regular operation when it
is needed.
You can configure Low Power mode using ACEmanager.
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