Tail Interface - XIEGU G90 Operation Manual

13 Antenna interface
SL16-K type，impedance 50Ω。
14 KEY interface
The interface is a 3.5mm stereo jack for connection to
manual/automatic telegraph keys.
Telegraph key connection diagram, as shown：
Manual telegraph keys，It is
Necessary to connect "di(滴)"
And "da（嗒）" together.
Tail plate interface
15 COMM interface
Using for the case firmware updates.。
16 I/Q Signal output
The interface is a 3.5mm stereo jack for "I/Q" signal
output.
17 ACC
The interface is an 8-pin mini DIN interface, as defined
in the interface definition.
18 DC power interface
External DC power input interface.
The round hole is "-", the square hole is "+".
19 Ground terminal
7