Sunix universal PCI Multi-port serial card provides RS-232 Serial connection ports on your system for your application needs. The 4056 card series works on both 32-bit and 64-bit PCI Bus with 3.3V or 5V power, allowing this multi-port serial card to be installed in virtually any PC system and compatible with all major operating systems. The card supports multi independent RS-232 ports, with each port transfer data up to 921.6 Kbps. Sunix universal PCI Multi-port serial cards is the best solution for various industrial communication and automation applications.

• Low RMA rate and high reliability with Sunix's single chipset designed ASIC
• Compliance with PCI ver. 2.2 spec. standard
• Supports both 32 / 64-bit PCI slot with 3.3V / 5V bus power
• Industrial grade design for stability and reliability
• 128K FIFO buffer can reduce CPU loading, less interruption and improving system performance dramatically
• Plug-n-Play, I/O address and IRQ assigned by BIOS
• RS-232 industrial host controller series are certified by WHQL, CE, FCC approval
• Support Microsoft Windows, Linux, and DOS