Complete details are in AqualinkD wiki

You will need a wired serial RS485 connection to the Jandy Power Center (Control Panel).
  • If you have an inside controller / keypad mounted on your wall this is usually the best place.
  • If not, The outside control panel is the next best place.

If your installer followed the Jandy wiring, below are the colors, and where to connect them to on a USB2RS485 adapter, or AqualinkD RS485 HAT.
RS Power CenterDescriptionUSB AdapterRS485 Hat
Pin #1 RedPower +Do not connectPin #1 (+)
Pin #2 BlackData +APin #3 (A)
Pin #3 YellowData -BPin #4 (B)
Pin #4 GreenGroundDo not connectPin #2 (-)