RadioLink RC8X Instruction Manual page 18

The connection wire for receiver is shown in the picture above. The common ones are
white/red/black wire or yellow/red/brown wire. The two types of servo cables both are the
light-colored wire as the signal wire, the dark-colored wire as the ground wire, and the middle is
5V power supply, and the three wires correspond to "
Note: RadioLink receivers are all designed with anti-polarity connect protection. When the servo
cable is plugged reversely, the receiver will not work. The receiver operating voltage is 3V-12V.
When the receiver uses a separate battery for independent power supply, the receiver will not be
damaged if the battery polarity is reversed, but if the servo is connected at this time, it will cause
damage to the servo.
1.3.3.2 How to Connect R8FG Correctly for Telemetry
R8FG supports telemetry of model battery voltage, receiver voltage and RSSI. The model
voltage will display by connecting the wire to the ESC, battery, and Telemetry port of receiver
R8FG. Telemetry of maximum 8S battery(33.6V) supported. Model battery voltage telemetry can
be easily achieved by connecting the male end of the battery wire to ESC while the female end to
the battery and the wire with a JST head connects Telemetry (+-) of R8FG as below picture shown.
No extra module is needed. Once connect with success, the returned model voltage will be
displayed on the interface of returned flight information. The connection is as shown below.
".
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