Samsung Frame 2019 uses the standard Ex-Link (RS232) port and standard set of Ex-Link commands.
[Link: remotecentral.com]You can use this program to test by connecting your computer to the TV. Connect the Ex-Link cable to the TV:
[Link: amazon.com]The connect the Ex-Link cable to your computer:
[Link: amazon.com]If you want to control with a unit, you can, instead, connect the Ex-Link cable tot he TV and then to one of many Global Cache networked devices:
GC-100 series:
[Link: globalcache.com]iTach series (WF2SL or IP2SL):
[Link: globalcache.com]For activation, try, here:
[Link: wiki.samygo.tv]