@KimcheeGUN The scope was initially set to .1 - .254 I changed it to .50 - .254, but that did 't help. Thanks for your patience. I do hope you have more tips for me to try.

@KimcheeGUN I only made a simple network, I don't know what vlan is yet, so I didn't configure it. The ap's are not on the network of the controller, because the controller doesn't see them. That's...

@KimcheeGUN hi, thanks for your reply. As I am still working on the setup, all the devices are in the same room. So I suppose the signal ought to be ok?

Hi everyone The initial setup of a new network is: router ER605 controller OC200 (mesh is enabled) switch SG105 PE AP wired EAP615 Now I want to build the wireless part by adding several AP's EAP615...