120 ohm Termination Resistor

The header for the 120R termination resistor is circled in purple

DFU mode

To put the AFC-Lite into DFU mode, connect it via USB to the Pi using the USB-C port then hold the BOOT button, press and release the RESET button, then count to 5 and release the BOOT button.

Katapult Config

Klipper Config

Additional Info

Manual and schematic and other info can be found at https://github.com/xbst/AFC-Lite/tree/master