The Panasonic Toughbook FZ-55 MK2 is a rugged laptop designed for durability and performance. [1 ,2 ,3 ]. FZ-VCN553U: Includes VGA, Serial, and Rugged USB (Fischer) [1 ,2 ,3 ,4 ,5 ]. The FZ-VCN552U/W module acts as a "second" LAN port, providing dedicated network connectivity in addition to the built-in Ethernet port on the laptop's main chassis.
