Instruction Manual

Introduction
Sealevel Systems SeaPORT+4/485 Page 1
Introduction
Overview
The Sealevel Systems SeaPORT+4/485 equips the PC with 4 USB to
RS-422/485 Asynchronous serial ports providing a versatile interface for
common serial needs. The advantage of this product over more traditional
approaches is that it does not require opening the computer case, nor does it
require resources such as I/O ports or IRQ’s. It does require a system that
supports USB both in terms of hardware and operating system.
What’s Included
The SeaPORT+4/485 is shipped with the following items. If any of these items
is missing or damaged, contact the supplier.
• SeaPORT+4/485 USB to RS-422/485 Serial I/O Adapter
• USB Cable Part Number CA179 for Connecting to Upstream
Host/Hub
• Sealevel Software