Chipset : Moschip 9904
4 x DB9 serial port
Single-Lane (x1) PCI-Express throughput up to 2.5 Gbps
Compliant with PCI-Express Revision 1.0
Compatible with industrial standard 16C450/16C550 UART
On Chip 256-byte Depth FIFO in Transmit
Supports RS232, RS485 & RS422 modes
Data transfer rate up to 250Kbps
5, 6, 7, 8 and 9-bit Serial format Support
Support Hardware, Software flow control
Support remote wakeup and power management features
Serial Port transceiver shutdown support
Support slow IrDA on all Serial Ports
PCI Express-enabled system with an available PCI Express slot
Hot Swappable, Plug & Play
Package Bundle : CD driver