So i cant configure the router if he is not connected to a modem or other router? I saw some videos where they just had the tp link router connected to the computer and power, no modem or other...

Disclaimer: the Archer C5 is not on the list so i picked the Archer C50 that i think the only difference is that the 50 has 100mbps ports instead of gibabit on the C5. So i just got this router, I...