Connects EPOS and industrial control equipment to the latest generation USB equipped desktop PCs and notebooks Provides two separate RS-422/RS-485 ports (2 x 9 Way D Male) USB 1.1 interface Powered from the USB bus so no separate power supply is required Integrated 60cm USB cable with Type A connector Compatible with Windows 98SE/ME/2000/XP/Vista/7 Linux Mac OS 8.6 & above