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What is the maximum number of Quatech USB to serial adapters I can use on my system?

April 26, 2017adapters maximum quatech serial system USB

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What is the maximum number of Quatech USB to serial adapters I can use on my system?

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A. The USB specification allows for up to 127 USB peripheral devices to be used in a single system. Quatech 1-8 port adapters require one USB port, 16-port adapters require two USB ports. Thus, by using a series of hubs, up to 127 Quatech 8-port adapters or 63 16-port adapters can be used. This means that (using 127 eight port adapters) a single USB port can be used to connect 1016 serial devices.