4 Port RS422/485 PCI Express Serial Port Card With Opto IsolationPCI Express card providing four Opto Isolated RS422/485 serial ports. Data transfer rates up to 921.600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS. coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000. XP. Server 2003. Vista. Server 2008 and Windows 7.
