Interfaces
This page describes general information and interface location for SmartLink Air and Ground modules.
Air Module
Top
Antenna SMA connectors

Left
5V DC power input socket
Reset button
CSI camera Port
USB for firmware upgrade
SPI 0 / 1
I2C 0 / 1
UART 0 / 1 (console and autopilot telemetry)

SPI1 Connector pinout - MOLEX 53261-0671
1
5V OUT
2
SPI1 SCLK
3
SPI1 MISO
4
SPI1 MOSI
5
SPI1 CS0
6
GND
I2C Connector pinout - MOLEX 53261-0671
1
5V OUT
2
I2C1 SCL
3
I2C1 SDA
4
I2C2 SCL
5
I2C2 SDA
6
GND
UART Connector pinout - MOLEX 53261-0671
1
5V OUT
2
DBG RX
3
DBG TX
4
TEL RX
5
TEL TX
6
GND
SPI0 Connector pinout - MOLEX 53261-0671
1
5V OUT
2
SPI0 SCLK
3
SPI0 MISO
4
SPI0 MOSI
5
SPI0 CS0
6
GND
TEL (Telemetry) port: TTL 3V3, Baudrate 57600
DBG (Debug) port: TTL 3V3, Baudrate 9600
Front
Front side has an integrated fan. It is important to have a clear space to allow for air flow circulation in front of this side.

Right
Mini HDMI input
Micro SD card slot
Camera status LEDs

Rear
USB A connectors for peripherals connection, for instance:
4G / LTE modem
Rockblock satellite communication system
FLARM ADSB system

Bottom

Ground Module
Top
The top side has an a heatsink and mounting holes for an optional fan. It's important to have a clear space to allow for airflow circulation in front of this side.

Left

Front
SMA antenna connectors for antennas
Status LEDs:
TX: blinking when packets are being transmitted
RX: blinking when packets are being received
CPU: module operating
RSSI: signal quality

Right
Reset button
Fan port

Rear
USB to connect to computer / tablet
Ethernet port (RJ45)
Power supply, 7-35V DC
Serial port

Bottom

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