Original: It typically has a single LAN connector, such as an RJ-45 socket, and one or more physical ports (e.g. serial, parallel or USB (Universal Serial Bus)) to provide connections to printers.
Simplified: It typically has a single LAN connector, such as an RJ-45 socket or a wireless connection,and one or more physical ports (e.g. serial, parallel or Universal Serial Bus (USB) ) to provide connections to printers.