PCIe Combo Serial Parallel Port Card RS232 LPT Adapter Expansion for Desktop PC
Supports RS232, RS485 & RS422. On Chip 256 FIFOs in Transmit & Receive of each Serial Port. Serial Port transceiver shutdown support. 5, 6, 7, 8, 9-bit Serial format support. Supports Slow IrDA on all Serial PortsSoftware Support.