The MIC-3612 is a 4 port RS-232/422/485 PCI communication card. It is compatible with PCI 2.1 bus specification. The MIC-3612 provides four surge protection, RS-232/422/485 ports to meet user’s needs. It features lots of functions such as high transmission speed 921.6 Kbps; four independent RS-232/422/485 ports; optional surge protection etc. The MIC-3612 also comes with high-performance 16PCI954 UART with 128-byte FIFO to reduce CPU load. These components make the i t more stable and reliable. Thus, the MIC-3612 is especially suitable for multitasking environments.