4 Port RS-422/RS-485 Multi Serial PCI Card - DB9 32 Byte FIFO minimizes data loss and optimizes host efficiency and data integrity Compatible with most major OS platforms including Windows, Linux, UNIX and DOS Easily fits 5 volt and 3.3 volt PCI and PCI-X slots Plug & Play support for Windows O/S environments RS-485 configuration supports Automatic Data Direction Control (ADDCTM Additional Details SKU : PCI4S422DB9 UPC : 065030804332
|