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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
commitment on the part of Digi International.
Digi provides this document “as is,” without warranty of any kind, either expressed or
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 1Introduction5
About This Guide.............................................................................5
Introducing the Digi One EM..........................................................6
Support Information.........................................................................7
Chapter 2About the Digi One EM8
Digi One EM Drawing.....................................................................8
Connectors: Power and Serial Interface (P4)...................................9
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 Reference5
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.
6Digi 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 Reference7
Chapter 2
Digi One EM Drawing
About the Digi One EM
The following figure shows the Digi One EM layout and
dimensions.
8Digi One EM Hardware Reference
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