4/8 RS-232 or RS-422/485 serial ports. Transmission speeds up to 921.6 kbps. Supports 2 wire or 4 wire operation. Automatic RS-485 data flow control or RTS control.
RS-232, RS-422, RS-485 or current-loop interface. 16C550 UART with 16-byte FIFO. Supports 4-wire or 2-wire operation for RS-422/485. Transmission speeds up to 921.6 kbps
Wide IRQ selection for each port: IRQ 3, 4, 5, 6, 7, 9, 10, 11, 12, 15. Supports 32-bit/64-bit Windows 2000/XP/Vista/7 and Linux. High speed transmission up to 500 kbps
8 x RS-232 or RS- 232/422/485 ports. Speeds up to 921.6 kbps for extremely fast data transmission. PCI Express bus 2.0 compliant. XR17V358 UART with 256-byte FIFOs
8 x RS-232 or RS- 232/422/485 ports. PCI Express bus 2.0 compliant. Speeds up to 921.6 kbps for extremely fast data transmission. XR17V358 UART with 256-byte FIFOs.
PCI bus 2.2 compliant. Supports serial speed up to 921.6 kbps. 2 independent RS-232 or Current-loop serial ports. I/O address automatically assigned by PCI Plug & Play.
Transmission speeds up to 460 kbps (PCM-3641). Shared IRQ settings for each of 4 RS-232 ports (PCM-3641). Standard PC ports: COM1, COM2, COM3, COM4 compatible.
