Data/FAX Modem Reference Index

[Copyright 2000,2001,2002,2004 Frank Durda IV, All Rights Reserved.
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This is a collection of documents, tables and materials related to data or FAX modems.

Data/FAX Modem Hardware Documents

These documents describe the transmission methods used between modems, the protocols used to ensure data integrity or provide compression, and the physical interconnect specifications commonly used with these devices.

Data/FAX Modem Transmission Modulation Systems (HTML)
Data/FAX Modem Transmission Reliability and Compression Protocols (HTML)
ITU/CCITT/EIA/Bell RS-232 Connector Pin Assignments (HTML)

AT Command Set Reference

These documents discuss the history, syntax, use available commands and incompatibilities of the AT Command set that has been universally used in modems since 1984.

History and Command Syntax Summary

Section 1: History of the modem AT Command set and its evolution. (HTML)
Section 2: A summary of modem AT Command set language and syntax. (HTML)

AT Data Commands, Use and Compatibility

Section 3: A composite summary of unprefixed AT commands. (HTML)
Section 4: A composite summary of ampersand-prefixed AT commands. (HTML)

NOTICE: Additional sections are under development but are not available at this time.

AT Command Set Programming Documents

Information on dialing out-of-country numbers using a computer modem. (HTML)

[Copyright 2000,2001,2002,2004 Frank Durda IV, All Rights Reserved.
Mirroring of any material on this site in any form is expressly prohibited.
The official web site for this material is:  http://nemesis.lonestar.org
Contact this address for use clearances: clearance at nemesis.lonestar.org
Comments and queries to this address: web_reference at nemesis.lonestar.org]

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