Specifications

Chapter 7 - Sources of Additional Information RS-422 And RS-485 Applications Ebook
Page 82 of 137 Manual Documentation Number: <DocNumber>
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List of EIA/TIA Standards
EIA/TIA data interface standards include:
EIA-232-E Interface between data terminal equipment and data
circuit-terminating equipment employing serial binary data
interchange (ANSI/IEA-232-D)
EIA-422-A Electrical characteristics of balanced voltage digital
interface circuits
EIA-423-A Electrical characteristics of unbalanced voltage digital
interface circuits
EIA-485 Standard for electrical characteristics of generators and
receivers for use in balanced digital multipoint systems
EIA-449 General purpose 37-position and 9-position interface for
data terminal equipment and data circuit-terminating equipment.
EIA-530 High speed 25-position interface for data terminal
equipment and data circuit-terminating equipment
EIA/TIA-562 Electrical characteristics for an unbalanced digital
interface
Integrated Circuit Manufacturers
Manufacturers of integrated circuit data transceivers often offer
practical application information for RS-422 and RS-485 systems.
National Semiconductor's Interface Data Book includes a number of
excellent applications notes. These notes are also available online at
http://www.national.com/. A search engine is provided to search the
text of the available application notes. Entering "422" or "485" as
search criteria to get a current list of related application notes.