8.4 Power Control
8.4.1 Ignition Sense
When the router is deployed in a vehicle, it can be configured to power-on only when the ignition is on.
In most cases, electronic devices in a vehicle will be shut down when car engine is turned off, but in some circumstances, you
may need devices continue to work. An obvious problem is the power supply to almost all in-vehicle devices will be
terminated when the car engine is off to prevent in-vehicle devices draining the battery. To have a solution for this situation,
the NTC-400 Series Router has been equipped with an Ignition Sense function. The main advantages of this feature are:
Figure 400 – Ignition Sense
The NTC-400 Series Router can continue to operate when car engine is shut down.
The NTC-400 Series Router will enter standby mode automatically when a pre-set timer is due. If in standby mode, the
NTC-400 Series Router will stop consuming battery power to prevent draining power out.
The NTC-400 Series Router will enter standby mode automatically if a low input power voltage is detected.
The NTC-400 Series Router will be return from standby mode to operation mode when the car is started.
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