Bay Technical Associates BayTech DS72 User Manual

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DS72 Host Module 
 
5
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, 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 a BayTech Applications Engineer at 228-563-7334, or 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). 
 
Connection Description 
BayTech's DS72 host communication module provides an interface that controls user access to the DS 
Series data switch and other DS Series connected modules. The DS72 is a system data controller that 
directs operations between the base unit, system modules and externally connected devices. 
EIA-232 SERIAL CONNECTION  
The DS-Series host communications modules have an RJ-45 port which uses an 8-pin crossed modular 
cable to connect to a local EIA-232 device such as a computer terminal or external modem. Most serial 
computers do not have RJ-45 connections; therefore an adapter is provided with this unit to convert 
from a DE-9 connector to an RJ-45 connector (Bay Tech Part No. 9FRJ45PC-4). An adapter to convert