Digi 90000278-B User Manual

Hardware Referen ce Manual
Digi One EM
90000278_B
Digi International Inc. 2002. All Rights Reserved
The Digi logo is a registered trademark of Digi International, Inc. Connectware and Digi One are trademarks of Digi International, Inc. Information in this document is subject to change without notice and does not represent a
implied, including, but not limited to, the implied warranties of fitness or merchantability for a particular purpose. Digi may make improvements and/or changes in this manual or in the product(s) and/or the program(s) described in this manual at any time.
This product could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes may be incorporated in new editions of the publication.
Contents
Chapter 1 Introduction 5
About This Guide.............................................................................5
Introducing the Digi One EM..........................................................6
Support Information.........................................................................7
Chapter 2 About the Digi One EM 8
Digi One EM Drawing.....................................................................8
Connectors: Power and Serial Interface (P4)...................................9
Connectors: Ethernet Interface (P1) ..............................................10
Reset Switch ..................................................................................11
LEDs..............................................................................................11
Chapter 3 About the Development Board 13
Overview........................................................................................13
Cautions.........................................................................................13
Development Board Illustration.....................................................14
DB-9 Serial Interface (P1).............................................................15
Reset Switch (SW1).......................................................................16
Power Jack (P7) .............................................................................17
LEDs (CR4 - CR11) .....................................................................18
Digi One EM Hardware Guide 3
Chapter 4
Sample Application: TTL Signals to EIA-232 19
Appendix A Digi One EM Specifications 20
Network Interfaces.........................................................................20
Serial Interface...............................................................................20
Data Rates (bps).............................................................................20
Modem Control..............................................................................20
Flow Control Options ....................................................................20
Environmental................................................................................20
Power Requirements......................................................................20
Mechanical.....................................................................................20
Appendix B Digi One EM Certifications 21
FCC Part 15 Class A......................................................................21
ICES 003 Class A..........................................................................22
Product Safety................................................................................22
4 Digi One EM Hardware Guide
Chapter 1
Introduction

About This Guide

Purpose
The purpose of this gui de is to enable devel opers to integ rate the Digi One EM into other devices, enabling these devices to make use of the Digi One EM’s rich networking features.
Audience
This document is written for developers tasked with integrating Digi One EM device servers into other devices.
Scope
This document pr ovides the infor mation requir ed for electri cal integration of the Digi One EM into another device. It does not address how to configur e or adm ini ste r the d evice ser ver or how to write applications to use its functionality. These topics are covered in other documents in the libra ry.
Digi One EM Hardware Reference 5

Introducing the Digi One EM

Product Overview
The Digi One EM is part of the Digi One Family of single port device servers that provide simple, reliable and cost-e ffective network connections for serial devices. The Digi One EM provides fully transparent serial device connectivity over industry-standard Ethernet connections and allows both equipment manufacturers and systems integrators to network-enable products at a fraction of the time and co st required to develop a custom solution. It is a highly flexible and compact single component solution with a robust on­board TCP/IP stack and 10/100 Base-T Ethernet support.
From medical systems to building control and industrial automation, in virtually any application where embedded serial connectivity over Ethernet is needed, the Digi One EM is the ideal choice, delivering high-performance functionality.
Cautions
To guard against damage to the Digi One EM due to elec­trostatic discharge (ESD), do not remove it from its pro­tective packagi ng un ti l yo u h ave b een properly grounded. To ground yourself, put the wrist strap on (included in the package) and then attach the clip to a metal surface.
Input voltage for the Digi One EM must be in the range of 5VDC to 9VDC.
6 Digi One EM Hardware Reference

Support Information

To get help with a question or technical problem or to mak e comments and recommendations about our products or documentation, use the following contact information.
General
Digi International 11001 Bren Road East Minnetonka, MN 55343 U.S.A www.digi.com
Customer Service and Support
United States: 1 877-912-3444 Other Locations: 1 952-912-3444 www.support.digi.com
Digi One EM Hardware Reference 7
Chapter 2

Digi One EM Drawing

About the Digi One EM
The following figure shows the Digi One EM layout and dimensions.
8 Digi One EM Hardware Reference
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