Agilent 82357B USB/GPIB Interface High-Speed USB 2.0 with CD / Operation Manual The Agilent 82357B USB/GPIB Interface provides a direct connection from a USB port on your laptop or desktop PC to GPIB instruments. There are no switches to set, no PC cards to install, and no external power supplies required. Getting connected has never been easier. Easy connection  plug-and-play interface USB 2.0 interface (USB 1.1 compatible) and IEEE-488 interface (connect up to 14 GPIB instruments) High-speed - transfer over 1.15MB/sec Parallel Polling (check response of up to 8 devices at one single poll) Standard industry libraries with Agilent IO Libraries Suite