RocketPort®4-端口DB9M接口This RocketPort 4-Port DB9M serial card interface has four DB9 male connections, communication speeds up to 460Kbps, and features a 66Mhz BUS speed via Comtrol’s Unity ASIC chipPart Number: 30050-2 32 or 64 bit 3.3 Volt PCI or PCI-X Compatible Low-profile or standard height compatible RS-232/422/485 software-selectable ports 66Mhz BUS speed via Comtrol’s Unity ASIC chip Communications speeds-up-to 460Kbps 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. Includes: RocketPort 4 Port DB9M Interface Device Loopback Plug Bumper Brackets (4)