And no need to get your breathing rates high in case you have changed the username/ password of Rosewill RNX-EasyN4 and forgot them, as you can just. View and Download Rosewill RNX-EASYN4 user manual online. Samsung Network Router User Manual. RNX-EASYN4 Wireless Router pdf manual download. The Rosewill RNX-EasyN router has mbps WiFi, 4 mbps ETH-ports and 0 USB-ports. Quick links: Default password/Login Login instructions.