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UE-100TX
USB (Universal Serial Bus) is a general purpose serial interface designed to
connect a computer and low-to-middle speed devices. The standard was
developed by Microsoft, Intel, IBM, Compaq, DEC, Northern Telecom and
NEC, and was officially released in 1996.
USB connection scheme is of a tree structure with one host computer as its
starting point (root). Up to 127 devices may be connected via several USB
hubs. In one USB bus tree, USB hubs may be cascaded up to 5 levels (or 6
levels including the device at the end). The maximum distance between the
host computer and the device at the end is 30 meters, and up to 5 meters of
device-to-device distance is allowed.
Chapter 1
Introduction
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About USB
Summary of Contents for UE-100TX
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