3D Robotics GPS Mast - Manual (Page 2)

Connect 3DR GPS + Compass
Remove the adhesive backing from the mast and place GPS onto the mast
with the connectors facing the shorter side and the arrow on the GPS
pointing towards the front of the copter.
Connect the four-position cable to the MAG
port and to your autopilot’s I2C port.
Pixhawk APM 2.6
For Pixhawk, connect the six-position
cable to the GPS ports.
Pixhawk
For APM 2.6, connect the five-to-six-position cable
to the GPS ports.
APM 2.6
short
side
arrow points towards
the front of the copter
GPS + Compass
four-position
cable
six-position cable
five-to-six-position cable