hese cables are typically used to connect PC equipment to devices such as printers, scanners, Fax machines, etc.The extra length of these 10â€² cables allows you to place equipment where you need it, with slack to spare.A Printer Cable to Hook Up Almost Any Device While many computers and printers have USB ports, some have other types of connectors. These specific cords link devices with the same type of connectors or convert between USB and parallel ports. Printer switches are a convenient way to share one or more devices with several computers. Each switch has several input ports and one or more output ports that provide the physical connection between devices. Switches come with application software that manages the connections and schedules print jobs.