No, they are not compatible. Tl-WA7510N uses passive PoE, not standard PoE like IEEE 802.3af. Contact the shop to see whether they can sell you a PoE injector separately.

Setup 2 is wrong. You cannot use 7210 in this way. You cannot access internet because of the nature of 3-addr WDS. Setup 1 should be OK. When it "freezed", you mentioned signal is 100% in Antenna...

Difficult to figure out what had happened in your network, something maybe changed.. I suggest you to set up AP + Client mode, which is better than the old bridge mechanism on 7510. AP: 192.168.1.254...

Well I guess I will have to talk to any Telmex technician to explain I can't access to the new Tp link router they've just installed with my android phone which is basically what I'm trying to avoid...

davewifi also asked that if he set the 5210 and 7210 with the same SSID and password, will his devices connects to either 7210 and 5210 when he is moving around different locations. And that's what...

On the 7210n in access point client router mode should I use the same SSID and password as in the 5210g? Will this enable devices to connect to either device depnding on their location? It depends on...