Expert Electronics SunSDR2 DX - EXT CTRL Connector Pin-Out

22
SunSDR2 DX User Manual
© 2020 Expert Electronics
CONNECTORS PIN-OUT
6
PTT TNG
РТТ signal input
Connection of the PTT to the GND will turn the
transceiver to the TX mode
Input
7
GND
Ground
--
8
FST TNG
Not implemented in the software
--
MD15 microphone pinout
4.3 EXT CTRL
Out #
Output name
Description
Note
1
X1
Programmable key with open collector
Output
2
X4
Programmable key with open collector
Output
3
X7
Programmable key with open collector
Output