Installation and Startup
Rev. 7 August 2021 23 41110485
3 On/Off Yellow (28 AWG)
On/Off: Control line to turn the gateway on and off. Pin 3 must
be connected either to the input power source or to an on/off
switch between power and pin 3.
The gateway switches on (Pin 3 goes high) with a voltage range
from 2.5–32 V.
The FX30S is off when this pin is low, but you also have the
option to monitor this pin using GPIO 24, and holding the power
on while a Legato-designed application executes. For more
information, see On/Off Installation on page 24 and OFF Mode
on page 51.
4 IO 1 Brown Digital input
Wake from Low Power Active State
a
Internal pull-up control
5 IO 2 Green Digital input
Internal pull-up control
Analog input
6 IO 3 Orange Digital input
Internal pull-up control
Digital output
Note: See Table D-1, FX30S Hardware Feature to Linux Interface Mapping, on page 78 for the
radio module GPIO and Linux interface mapping of pins 3 to 6.
a. For more information on power modes, see Power Modes on page 51.
Table 2-1: Power Connector Pin and DC Cable Wires
Pin Function Associated
DC Cable
Wire Color
Description
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