4.3 Power On/Off Control
In order to power the Asset Tracker ON, press the ON/OFF button once. You’ll see dim lights
around the edge of the PCB light up. In order to power the Asset Tracker OFF, press the
ON/OFF button again.
Figure 5:
Power On/Off Button.
4.4 Serial Data Interface
The serial data interface is a CMOS serial UART 3-wire (serial Rx, serial Tx, and ground)
interface at 3.3V digital signal levels over which the Modem transfers commands, responses,
and message data. The FTDI header for the serial data interface is accessible inside the
enclosure after removing the 4 screws at the bottom. The serial communication parameters can
be found below.
© 2022 SWARM TECHNOLOGIES
SWARM ASSET TRACKER PRODUCT MANUAL · REV 1.00 · SEPTEMBER 2022
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