StarTechcom 4 Port PCI Express PCIe Serial Combo Card with Breakout Cable 2 x RS232 2 x RS422 RS485 Dual Profile PEX4S232485

Add two RS232 and two RS422/485 serial ports to your PC through a PCI-Express expansion slot, 4 Port PCI Express PCIe Serial Combo Card, 4 port (2 x RS232, 2 x RS422/485) serial combo card, PCI Express RS485 / PCIe RS485 / PCI Express RS422 / PCIe RS422 serial combo card, Dual Profile PCIe serial card adapter with breakout cable, This single PCI Express combo card is compatible with any serial device protocol (RS232, RS422, and RS485), allowing for communication with multiple devices over mixed protocols, Includes both low profile/half-height and full profile brackets to ensure fitment into a broad range of system form factors, The included breakout cable saves expense as an all-in-one solution, and allows the addition of multiple serial ports through a single PCI Express slot, 4 port (2 x RS232, 2 x RS422/485) serial combo card, RS232 data transfer rates up to 460 Kbps, Supports 2-Wire / 4-Wire RS485 modes, 256-byte deep FIFO per transmitter and receiver, Standard and low-profile bracket included