Comtrol RocketPort EXPRESS Quadcable DB25 - serial adapter - PCIe - RS-232/422/485 x 4

The Comtrol RocketPort EXPRESS Quadcable DB25 Serial Adapter is designed to be used with standard and low-profile PCs and servers. This 4-port serial adapter is compatible with devices that have x1, x4, x8 or x16 PCI Express expansion slots. It is designed to support RS-232, RS-422 and RS-485 serial communications at a transfer speed of 921.6 Kb/s.