trying to add a STDL4-4 to a new system to start to program outlets. It does not show up when i go to the System --> PAB page.

Followed the tutorial here, plugged into 1st red port (1-4)...why is it not showing up?

Want to have STDL4-4 as outlets 1 thru 4 and Powerbar 6E as 5-10

Screen Shot 2021-03-16 at 10.38.45 PM.jpg

For tonight, here's my profilux4 extension cord.