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CHAPTER 2: Introduction
2.3 Technical Description
The USB Single-Port Hub (RS-422/485) uses a USB
UART. This chip features programmable baud rate, data
format, a 128-byte dual-port TX buffer, and a 384-byte
dual-port RX buffer. The RS-422/485 transceiver
supports data rates up to 921.6 kbps.
2.4 Features
• Hot-pluggable device that doesn’t require opening
the case.
• No system resources are required (no I/O ports or
IRQs).
• LED status indicators for “USB Enabled,” “TX,”
and “RX.”
