StarTech.com 2 Port RS-422/RS-485 Serial PCI Card (DB9) interface cards/adapter

2 Port RS-422/RS-485 Serial PCI Card (DB9) Need some high-speed serial ports? The high performance, low maintenance PCI2S422DB9 lets you quickly and easily add two high-speed RS422/RS485 Serial interface ports to your system. This versatile card features on-card jumpers that let you configure each port as full or half-duplex depending on your needs.

The card comes with two DB9 connectors for use with common serial peripherals like POS devices, monitoring equipment, or printers. The 32-Byte transmit-receive FIFO optimizes your data transfer, with transfer speeds reaching up to 921 kbits/sec.