dji Naza - Port Description; Main Controller Ports; Versatile Unit Ports; Optional GPS & Compass

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Port Description
Main Controller
A
For roll control (left/right)
E
For pitch control (front/back)
T
For throttle control
R
For rudder control
U
For Control Mode Switch
X1
For gimbal pitch control
Or for gain tuning
X2
For D-Bus (S-Bus compatible)
Or for gain tuning
Or for IOC switch
X3
For voltage monitor (Connect with VU V-SEN port)
M1
To #1 rotor
M2
To #2 rotor
M3
To #3 rotor
M4
To #4 rotor
M5
To #5 rotor
M6
To #6 rotor
F1
To gimbal roll servo
F2
To gimbal pitch servo
LED
LED port, for LED wire connection from Versatile Unit
EXP.
GPS port, for GPS module wire connection.
(In three-pin ports, pins near the nicks are signal pins.)
Versatile Unit
V-SEN
V-SEN port: To MC X3 port, for monitoring battery voltage and supplying power
 Orange wire (signal wire) output: ±3.3V
 Red wire (power wire) output: 4A@5V
LED
LED wire, to MC LED port.
Micro-B USB port: PC connection for configuration and firmware upgrades.
Optional GPS & Compass
Connect to the EXP. port.