•Provides 4 RS-232 ports•128-byte Hardware FIFO for Each Port•Built-in COM-Selector•128 KB Software Buffer (max.) for Each COM Port Under Windows•+/-4 kV ESD Protection for i versions•Short Card Design•2500 VDC Isolation for i versions•Supports 3.3 V/5 V PCI bus, Plug and Play for VXC-114(i)U•Supports PCI Express x1, Plug and Play for VEX-114(i)