The Advantech PCIE-1612C-AE is an industrial-grade 4-port RS-232/422/485 PCIe communciations card with isolation. It is designed to add high speed and reliable communication ports to PCs and embedded systems without taking up a lot of space or consuming a lot of system resources. The product features an integrated four-port transceiver device for effortless connection to a wide variety of devices, supports a wide variety of communication rates up to 921.6 Kbps with automatic handshake, and it includes a serial port isolation techonology to provide advanced ESD protection for better signal integrity. The card also supports a wide range of data formats, including five, six, seven and eight-bit, and can be used in both point-to-point and multipoint configurations. The card is suitable for a variety of appliations such as factory automation, medical, surveillance, and audio/visual systems.