Thank you for your reply - much appreciated. Below, I copy a reply from TP-LINK's tech helpdesk (Bessie Liang) which I also found helpful (including the link she gives, &...

Model : Hardware Version : Firmware Version : ISP : Hi - I installed the AV1200 Gigabit Powerline ac Wi-Fi L-WPA8630 KIT yesterday to our router. I connected the powerlines & wired download from...