The MIC-3620 is a 8 port RS-232 communication card. It is compatible with PCI 2.1 bus specification. The MIC-3620 provides eight optional surge protection RS-232 to meet user’s needs. It features lots of functions such as high transmission speed 921.6 Kbps; eight independent RS-232 ports; optional surge protection etc. The MIC-3620 also comes with high-performance 16PCI954 UART with 128-byte FIFO and 16C954 UART to reduce CPU load. These components make it more stable and reliable. Thus, the MIC-3620 is especially suitable for multitasking environments.