MOXA 4-Port RS-422/485 Universal PCI Serial Boards

Over 700 kbps data throughput for top performance 921.6 kbps maximum baudrate for super fast data transmission ADDC® provides automatic data direction control for RS-485 signals 128-byte FIFO and on-chip H/W, S/W flow control Compatible with 3.3/5 V PCI and PCI-X Drivers provided for a broad selection of operating systems, including the latest Windows and Linux Added bonus! Ports 1 and 2 support RS-232 and RS-422/485 Wide temperature model available for -40 to 85°C environments   Overview: The CP-134U and CP-134U-I 4-port universal PCI boards are designed for industrial automation applications that require a long distance, multipoint, PC-based data acquisition solution.   On-chip Automatic Data Direction Control for precise RS-485 communication: RS-485 communication requires precise timing control to enable and disable the line driver. The Moxa Turbo Serial Engine™ chip that powers the CP-134U board comes with on-chip ADDC®, which makes RS-485 as easy to use as RS-232.   RS-485 multidrop for up to 31 devices within 1.2 km: The CP-134U universal PCI board has 4 RS-422/485 serial ports, each of which can achieve data rates up to 921.6 kbps. In RS-485 mode, the board can connect up to 31 daisy-chained RS-485 devices within a range of 1.2 km. For long distance RS-485 communication, choose the CP-134U-I, which comes with 2 kV electrical isolation protection to prevent equipment damage.   Drivers Provided for Windows, Linux, and Unix: Moxa continues to support a wide variety of operating systems, and the CP-134U and CP-134U-I boards are no exception. Reliable Windows and Linux/Unix drivers are provided for all Moxa boards, and other operating systems, such as WEPOS, are also supported for embedded integration.