mini PCIe 2S Serial RS-422/485 card (MosChip chipset)

The EX-48052 Mini PCI-Express adapter provides two high performance 16C950-type UART compatible RS-422/485 serial ports. It is designed for Computer system or Boards to provide instant COM port expansion via the Mini PCI-Express Bus. The card is fully PCI Plug-and-Play compatible and there are no IRQ and I/O address configuration problems. Support RS-485 Auto Transceiver turn around by unique feature ATTA hardware.

• Interface: RS-422/485 with FIFO Buffer 16C950 and 128Byte
• I/O addresses and Interrupt: Setting from the System BIOS with IRQ Sharing
• Data Bits: 5, 6, 7, 8, 9 / Stop Bits: 1, 1.5, 2
• Parity: None, even, odd, space, mark
• Signal: Three modes are selectable:
  • 4-Wire RS-422 (TXD+/-, RxD+/-) (Fullduplex)
  • 4-Wire RS-485 (TxD+/-, RxD+/-) (Fullduplex)
  • 2-Wire RS-485 (Data+/-, Data+/-) (Halfduplex)
• Support ATTA Auto Transmitter
• Terminator RS-422/485 120 Ohm can be enable– and disable
• Chipset: MosChip MCS9901CV