Copyright and Technical Support
Multi-Tech Systems, Inc. RJModem Developer's Guide (S000363I)
2
RJModem™ Developer's Guide
MT5656RJ
PN S000363I, Version I
Copyright
This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-
Tech Systems, Inc. All rights reserved.
Copyright © 2004-6 by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically
disclaim any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Multi-Tech
Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof
without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.
Revisions
Revision Level Date
Description
A
09/24/04
Initial
release.
B
10/05/04
Added one drawing (bottom view) to the Dimensions page.
C
10/14/04
Changed the RJModem drawing on page 10. Changed 5 V Serial Electrical to
VDDMAX=5.5 V. In the same table, removed the Current Drive cell.
D
05/12/05
Added the EMI filtering diagram. Updated the PCB footprint. Added panel-mounting
kit and board-mounting diagrams.
E
06/30/05
Added one more panel-mounting diagram. Add information on Transmit Clock
(TXCLK) and Receive Clock (RXCLK). Added reference to the separate AT
Command document for RJModem. Added Waste Electrical and Electronic
Equipment (WEEE) Notice.
F
07/08/05
Changed the Waste Electrical & Electronic Equipment (WEEE) Statement to Rev. B.
G
07/12/05
Added more text to the Pin Descriptions drawings.
H
11/30/05
Changed panel-mounting diagrams.
Changed board drawing.
I
12/22/06
Changed the pin drawing. Changed the order of the drawings on pages 6 to 9.
RXCLK is now labeled
output
. Reversed the columns of pin numbers on the
schematic on page 17. Updated the following specifications: Certifications, DAA
isolation, power requirements.
Trademarks
Trademarks and registered trademarks of Multi-Tech Systems, Inc. are RJModem and the Multi-Tech logo.
Microsoft and Windows are registered trademarks or trademarks of Microsoft Corporation in the United States and/or
other countries.
Patents
This device covered by one or more of the following patents: 6,031,867; 6,012,113; 6,009,082; 5,905,794; 5,864,560;
5,815,567; 5,815,503; 5,812,534; 5,809,068; 5,790,532; 5,764,628; 5,764,627; 5,754,589; 5,724,356; 5,673,268;
5,673,257; 5,644,594; 5,628,030; 5,619,508; 5,617,423; 5,600,649; 5,592,586; 5,577,041; 5,574,725; 5,559,793;
5,546,448; 5,546,395; 5,535,204; 5,500,859; 5,471,470; 5,463,616; 5,453,986; 5,452,289; 5,450,425; 5,355,365;
5,309,562; 5,301,274; 7,082,106; 7,082,141; 7,092,406. Other Patents Pending.
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: 763-785-3500 or 800-328-9717
Fax: 763-785-9874
Technical Support
Country
By Email
By Phone
France:
+(33) 1-64 61 09 81
India:
+91 (124) 2340780
Europe, Asia, Africa:
+(44) 118 959 7774
U.S., Canada, all others:
(800) 972-2439 or (763) 717-5863
Internet Address:
http://www.multitech.com
