4-Port
RS-232 Expansion: Instantly adds four RS-232 (DB9) serial ports to any PCI Expressenabled computer - perfect for connecting industrial equipment, POS systems, and serial devices ^^
High-Speed Performance: Built-in 16950 UART with 256-byte FIFO buffers supports baud rates up to 921.6 Kbps for fast, stable data communication ^^ Selectable Power Output (5V / 12V): Each port can supply 5V or 12V power for devices such as barcode scanners, POS displays, and serial printers easily configured via onboard jumpers ^^ Broad
System Compatibility: PCI Express x1 interface works with x1, x4, x8, and x16 slots; supports 59 bit serial formats and hardware/software flow control ^^
Reliable & Durable Design: Onboard power connector ensures a stable power source for powered serial devices; ideal for multitasking environments and industrial applications ^^
Dual-Profile Brackets Included: Includes full-height and low-profile brackets, fitting both standard and compact computer systems