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USB SINGLE-PORT HUB (RS-422/485)
2. Introduction
2.1 Overview
The USB Single-Port Hub (RS-422/485) equips the PC
with one USB to RS-530/422/485 asynchronous serial
port, providing a versatile interface for common
RS-530/422/485 needs. The advantage of this product
over more traditional approaches is that it doesn’t
require opening the computer case, nor does it require
resources such as I/O ports or IRQs. It does require a
system that supports USB both in terms of hardware and
operating system.
2.2 What the Package Includes
The USB Single-Port Hub (RS-422/485) is shipped with
the following items.
• USB Single-Port Hub (RS-422/485)
• USB cable for connecting to upstream host/hub
• Software
• This users’ manual