How to check the hardware version: http://www.tp-link.com/en/Article/?id=46 Is it v2? There may be some compatible problem, you may downgrade to the previous firmware.

1. Plug them into one power extension board to pair them (pair TL-PA211 for 5 seconds and then pair TL-WPA281 for 1s). Wait about 1 minute till the powerline LED comes on. Then connect them back to...

The downlink seems OK now. Hope it works properly after your upgrade. Please do reset it to make it take effect and reconfigure it.

500Mbps refers to high-speed data transfer rates between PLC kit, while 10/100Mbps or Gigabit means data transfer rate between ethernet ports on your PLC device and your router/PC.

In my case, it is set up in this way. Have a try... You said you are able to get it work internally. Just skip 1. 1. Startup the WoL on your computer. Step 1 Go to BIOS,in Power Management...

Try to reset your two TL-PA211 and pair them. You may install TP-LINK powerline utility and reset it. An FAQ link for you here. http://tp-link.com/en/article/?faqid=312 If not working, try to reduce...