PWR ON output for controlling the SSR relay - turning on the hamshack during remote operation
reads the frequency from TRX and sends it to MQTT (typically for controlling antenna switching) and makes it available on http port 81
receives ascii characters on UDP port 89, which it sends via Bluetooth to the IC-705, and transmit them as a CW message
receives ascii characters on UDP port 89, which it sends in RTTY mode by keying FSK and PTT TRX inputs
CI-V output (galvanically isolated) for connecting PA or other devices
receives CAT command on UDP port 90 (currently filtered to clear RIT only)
serial terminal with a speed of 9600 baud on USB-C for finding out the currently assigned IP address from DHCP, or for uploading firmware