Instruction Manual

Introduction
Sealevel Systems COMM+2/EX Page 1
Introduction
Overview
The Sealevel COMM+2/EX provides the PC with 2 asynchronous serial ports providing a versatile interface field
selectable as RS-232 for modems, printers and plotters, as well as RS-422/485 for industrial automation and control
applications.
What’s Included
The COMM+2/EX is shipped with the following items. If any of these items are missing or damaged, contact the
supplier.
• COMM+2/EX Serial I/O Adapter
• Sealevel Software
Factory Default Settings
The COMM+2/EX factory default settings are as follows:
Port # Base Address IRQ Electrical Interface
Port 1 280 5 RS-422
Port 2 288 10 RS-422
To install the COMM+2/EX using factory default settings, refer to
Installation on page 6.
For your reference, record installed COMM+2/EX settings below:
Port # Base Address IRQ Electrical Interface