Brainboxes 4 Port PCI 3.0 DB9 Connector 9 Pin Male Serial Card

Universal Serial board provides four RS422/485 serial ports with transient spike protection. Data transfer rates up to 921,6000 baud rates, 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers, deliver uncompromising performance.

4 port RS422/485

PCI Bus: High performance I/O slot in every desktop Pentium, Pentium (II) and Pentium Pro PC. PCI provides improved performance to all running applications by freeing up the CPU.PCI cards are detected and configured automatically by the PC, so avoiding conflicts in address and interrupts. PCI cards automatically implement a shared interrupt system so maximising use of precious system resources.,The Windows and DOS device drivers supplied with each serial card from RS reads the PCI assigned setup and configures your system accordingly.,All the serial boards in this range are Plug and Play, Windows 3.1; 95; 98; Me, NT, 2000; XP ,Vista and 7compatible and PCI 2.1 compliant.