The next generation RocketPort 4-Port Interface has four DB9M connections that can be configured for RS-232/422/485 serial communications at speeds-up-to 460Kbps. The interface also contains an additional connection for the host interface cable. This product is not usable with older RocketPort ISA, PCI, or uPCI products, and is only suitable for use with the RocketPort INFINITY PCI-X and RocketPort EXPRESS PCI-E products. General Information ManufacturerComtrol Corporation Manufacturer Part Number30050-2 Manufacturer Website Addresswww.comtrol.com Product NameRocketPort 4-Port DB9M Interface Hub Product TypeSerial Hub Technical Information Data Transfer RateUp to 460Kbps Serial Port Interfaces/Ports Ports4 x 9-pin DB-9 Male RS-232/422/485 Serial Physical Characteristics Form FactorExternal Dimensions3" x 0.9" x 5.5" Weight10.1 oz Warranty Standard Warranty5 Year Limited