This product is a USB2.0-compatible terminal that expands the input or output function of a PC for digital signals. Being bus-powered, it does not need an external power supply. It has the 8ch of unisolated TTL level input and 8ch of unisolated open-collector output. In addition, it uses a protection circuit (surge protection) as its I/O circuit as well as an easily-wired terminal connector. Windows driver is provided for this product.
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