your Dlink is 192.168.1.1 your 730RE has to be 192.168.1.254 If not change your 730 Network Lan to same sub-net as the Dlink

How to configure TL-WA701ND/ TL-WA801ND V2 working on Client Mode http://www.tp-link.com/en/article/?faqid=493 on step #4 reads Client acting as a wireless adapter to connect your wired devices (e.g....

use mode Universal Repeater http://www.tp-link.com/en/article/?faqid=492

Client only gives you internet via Lan cable, use Universal Repeater it does both Lan and Wireless, http://www.tp-link.com/en/article/?faqid=492

about the Expert Advice we are people like you, aficionados that share. config to use external antenna in wireless setting done means you did it right clients conected and internet working OK so far...

amazing answer, but in my country this is what TP-lLINK answered, if its your poe, TP-LINK does not sale a poe that can replace the original you have to use your warranty