Check the listing for details. NI-9401 cDAQ 8-Channel TTL High-Speed Digital Input / Output Module. Condition: Used. Listed at 195.00 USD. This NI-9401 cDAQ module is designed for high-speed digital input and output functions. With 8 channels, it's perfect for use in data acquisition, measurement, and inspection applications. The device is manufactured in Hungary by National Instruments, a leading brand in the field of digital I/O technology. The NI-9401 cDAQ module is ideal for use in business and industrial settings, as well as for researchers and engineers. It is categorized under data acquisition modules, data acquisition and loggers, analyzers and data acquisition, test, measurement and inspection. With its advanced features, this device is a must-have for any user in need of efficient and reliable digital I/O capabilities. National Instruments NI-9401 5 V/TTL, 8 Bidirectional Channels, 100 ns C Series Digital Module The NI‑9401 is a configurable digital I/O interface for input or output in 4‑bit increments. Therefore, the NI‑9401 can create three configurations: 8 digital inputs, 8digital outputs, or four digital inputs and four digital outputs. With reconfigurable I/O (RIO) technology(CompactRIO only), you can use the LabVIEW FPGA Module to program the NI‑9401 for implementing custom, high-speed counter/timers; digital communication protocols; pulse generation; and more. Each channel features transient isolation between the I/O channels and the backplane. Note! Barely used. There are not included any accessories, extra components, software, or manual books. You will receive only what you see in photos. You should read the item description carefully and email me to clarify any questions before buying. You can find user Manuals, Knowledgebase, Compatibility Documentation, and Getting Started Tutorials on NI web.