please can any one give me the solution ?

Hi all ,
i have 2 question
first one : what is the super channel in mikrotik ? i read it from the documentation but i did not understand it
second one : i bought a routerboard 600A with card (R52H)
i want to connect it with mikrotik server that i have
my server has the pppoe users and the dhcp server
only thing i want how to make the routerboard only for wireless and the user can authenticate via the server and give him the ip address from the dhcp server ?

thank you very much :frowning: