Brainboxes PX-335 interface cards/adapter

PCI Express Card providing four RS422/485 serial ports. Up to 921.600data transfer rates and the 128 byte deep transmit and 128 bytereceive FIFOS. coupled with 1Mbit/s line drivers deliver uncompromisingperformance on your laptop/PC.PCI Express is the latest standard in PC connectivity. PX-335 - Low Profileversion; PX-346 - Standard Profile versionWith Brainboxes industry renowned Lifetime Warranty and Lifetime Support!- Fits on x1. x4. x8 or x16 PCI Express expansion slot - 128 Byte FIFOs with user definable trigger level - 921.600 Baud. true megabaud line drivers - Drivers for all popular operating systems - Sample Programs. Test & Terminal software - all with source code.