Serial interface board DNx-CSDB-509 series

RS-232RS-485RS-422

8-Port CSDB & RS-232/485 Serial Communications Interface Features DNA-CSDB-509 for use with Cube I/O chassis DNR-CSDB-509 for use with RACKtangle™ I/O chassis 8 independent ports Each port is software-configurable as CSDB, RS-232 or RS-422/485 Supports both 12.5 kbit/s and 50 kbit/s CSDB rates Max speed of 256 kbit/s for RS-232 and 1Mbit/s for RS-422/485 Completely independent bit rate settings for every port 350V isolation between ports, ports and circuitry; 15kV ESD The DNx-CSDB-509 are 8-port serial communications interfaces for Cube/RACKtangle I/O chassis respectively. The boards offer fully isolated software-configurable CSDB (Commercial Standard Digital Bus), RS-232 or RS-485 interfaces. The board is an ideal interface to serial based avionics as well as general purpose serial I/O. The DNx-CSDB-509 support both 12.5 kbaud and 50 kbaud data rates in CSDB mode as well as transfer rates up to 1 Mbaud in RS-485 mode or up to 256 kbaud in RS-232 mode. It also supports communications at 12, 12.5and 50 kbaud with better than 0.1% data rate accuracy. Baud rates based on integer divisors of 4.125 MHz or 1.8415 MHz are also supported. Based upon an industry standard UART on each port, the board supports both half- and full-duplex modes for RS-422/485 operation. The DNx-CSDB-509 are compatible with a wide variety of legacy avionics devices. The board support RS-422 point to point or network applications when used in RS-485 mode and provide 200Ω software selectable TX and/or RX termination for RS-485 communications.