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AS/NZS 4162:1994

AS/NZS 4162:1994

$15.60

Information technology – Galvanic isolation of balanced interchange circuits

Published By Publication Date Number of Pages
AS 1994-03-21 11
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Specifies galvanic isolation of balanced interchange circuits using optocoupler integrated circuit technology and provides for data transmission in the two-condition code. This Standard is identical with, and has been reproduced from, ISO/IEC 9549:1990.

Scope

This International Standard specifies galvanic isolation of balanced interchange circuits using optocoupler integrated circuit technology and is provided for data transmission in the two-condition code (e.g. NRZ).
The electrical characteristics are compatible with both ISO 8482 and CCITT Recommendation V.11
NOTE – Compatible means to allow interoperation with devices having interchange circuits conforming to the electrical characteristics specified in the referenced standards.
Annex A shows interoperation with CCITT Recommendation V.11 interchange circuits in a point-to-point environment.
The specifications are given in terms of parameters and measurements for an isolated generator and an isolated receiver. These components may be used in twisted pair 2-wire or 4-wire point-to-point connections up to 1 000 m or multipoint connections up to 500 m for speeds up to 2 Mbit/s for point-to-point connections and 1 Mbit/s for multipoint connections. For data signalling rates up to 20 kbit/s, device manufacturers may optimize their component design.
Options are provided to meet special application requirements, such as
– isolated generator high impedance control:
– isolated receiver circuit failure detection capability;
– line termination in point-to-point configuration.
This International Standard does not describe a complete equipment interface in terms of mechanical, electrical and functional/procedural specifications.

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AS/NZS 4162:1994
$15.60