Connections & Pinout

Pinout

All connectors are JST-GH 4p.

Connector	Pin Number	Function	Notes
Power	1	5v In	Main Power In
	2	3.3v out	3.3v Out (Keep under 0.2 Amps)
	3	Ground	Main Ground
	4	Ground	Main Ground

Connector	Pin Number	Function	Notes
USB	1	5v In	5v Power out for USB Host
	2	D-	USB Data
	3	D=	USB Data
	4	Ground	Main Ground

Connector	Pin Number	Function	Notes
Serial	1	Tx 0	Console Serial Port, 56700 Baudrate
	2	Rx 0	Console Serial Port, 56700 Baudrate
	3	Tx 1	Available to the User at /dev/ttyS0
	4	Rx 1	Available to the User at /dev/ttyS0

Connector	Pin Number	Function	Notes
WAN/LAN*	1	Tx +	Typically Pin 1 of an RJ45
	2	Tx -	Typically Pin 2 of an RJ45
	3	Rx +	Typically Pin 3 of an RJ45
	4	Rx -	Typically Pin 6 of an RJ45