National Instruments Corporation NI 9403E w/ DSUB 32Ch, TTL Digital I/O Module, Board-Only
The NI 9403E with DSUB (part number 780539-01) is a 32-channel, board-only digital input/output module designed by National Instruments. It features TTL/CMOS-compatible digital I/O lines, supporting both input and output operations. The module is engineered for high-speed digital communication and is suitable for a variety of industrial and laboratory applications. The board-only version is intended for integration into custom systems where a compact form factor is required. The DSUB connector provides reliable connectivity for all 32 channels. The NI 9403E is compatible with NI CompactDAQ and CompactRIO platforms, enabling flexible deployment in measurement and control systems. It is designed for use in environments requiring robust digital signal interfacing and offers software-configurable direction control for each channel.