Automatic in-hardware or software flow control.None/Even/Odd/Space/Mark parity in 8-bit mode and per-symbol programmable in 9-bit mode.Automatic repeat of the last frame if new data is not sent from the host on time (required to keep “inop” flag happy on many avionic devices).Programmable inter-character delay (required to drive/simulate some avionics instruments)\Programmable inter-frame delay (used to schedule frames at different rate).Fully customizable baud rates generated by programmable PLL on per-channel basis from 300baud to 2Mbaud.In addition to standard serial I/O features, the DNx-SL-501 offers a series of additional functions. The DNx-SL-501 is an ideal solution for connecting serial based data acquisition devices to the Ethernet, as well as interfacing to a wide variety of serial based devices and legacy DAQ systems. The layer provides 200Ω software-selectable TX and/or RX termination for RS-485 communications. The DNx-SL-501 is compatible with RS-422 networks when used in The boards use a 16550C UART emulation on each port (FIFO mode only) and support A special version of the board, designated as the DNx-SL-501-804, supports baud rates up to 4 Mbit/s. The boards offer fully isolated serial interfaces, software-configurable as RS-232 or RS-485.ĭNx-SL-501 supports up to 2 Mbit/s transfer speed in RS-485 mode or up to 256 Kb/s in RS-232 mode. The DNx-SL-501 are 4-port serial communications layers for UEI’s powerful Cube, RACKtangle and FLATRACK I/O chassis.
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