DS71-MD4 Serial host and 56k Modem
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ABOUT THIS OWNER’S MANUAL
This document provides information required for installing and operating your Bay Tech equipment. It
should allow the user to connect to, power up, and access an applications menu where peripheral
equipment can be controlled. We recommend reading this manual carefully, while placing special
emphasis on correct cabling and configuration. If you have any problems with your installation, please
contact BayTech’s Technical Support at 228-563-7334, call toll free from anywhere in the United States
using 1-800-523-2702 or contact us at our Web Site, www.baytech.net.
BayTech manufactures many remote site management products, data switches, data collection
multiplexers, and remote power controllers. If you would like information on any of these products,
please contact BayTech Customer Service at the above numbers or visit our web site.
Conventions used in this manual include:
• CAUTION: This term is used to denote any condition that could possibly result in physical
harm to personnel or damage to equipment.
• IMPORTANT: This term is used to denote conditions that could result in the loss of
communications or to highlight the proper functioning of equipment.
• NOTE: This term is used to denote items of interest to the user.
• <cr>: Carriage Return or ENTER
The information in this document is subject to change without notice. The statements, configurations,
technical data, and recommendations in this document are believed to be accurate and reliable, but are
presented without express or implied warranty. Users must take full responsibility for their applications
of any products specified in this document. The information in this document is proprietary to Bay
Technical Associates, Inc.
In the interest of improving internal design, operational function, and/or reliability, Bay Technical
Associates, Inc reserves the right to make changes to the products described in this document without
notice.
Bay Technical Associates, Inc does not assume any liability that may occur due to the use or application
of the product(s) or circuit layout(s) described herein.
BayTech units are in accordance with the general requirements of Standard for Information Technology
Equipment (ETL listed, conforms to ANSI/UL STD 60950-1-2003 CERTIFIED CAN/CSA C22.2 NO.
60950-1-03, UL STD 231 8TH EDITION, UL STD 1950 3RD EDITION CERTIFIED CAN/CSA 22.2
NO. 950-95, CE conforms to IEC 60950-1).
We welcome any comments you may have about our products, and we hope that you will continue to
look to BayTech for your data communication needs.
Connection Description
BayTech's DS71-MD4 host communication modem module provides an interface that controls user
access to the DS Series data switch and other DS Series connected modules. The DS71-MD4 is a system
data controller that directs operations between the base unit, system modules and externally connected
devices.
