TP-Link soho routers can support it, but not in official fw. If you have good project, just write to your country tp-link support and they would probably help. If you want to do it just for yourself,...

Topology is not only physical connection, but also subnets (ip/mask/gw, etc.). Physically it is totally OK, I would say it is one of the most popular usage of APs.

Firstly, it is SOHO device, so it's better to write in SOHO community. However, yeah, some Archers can work now only with MAC-addresses for QoS. The main point is the same though, for example, you...

For some time on some firmware for Smart switches TP-Link made "security option" for telnet, so if you type wrong password 3 times, it will block telnet connections. Absurd, but some firmwares had...

As it doesn't have console-port, you can only try to reset it via Reset button and just in case, try to check/change power cord. Otherwise, it is broken and nothing you can do, go to service-center.

Everytime it's better to start troubleshooting with ping. Ping AP1, AP2 and Camera, then you understand, what step is wrong.