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ITU-T - P.53

Psophometers (Apparatus for the Objective Measurement of Circuit Noise) - Telephone Transmission Quality (Study Group XII) 1 pp

inactive, Most Current
Organization: ITU-T
Publication Date: 1 January 1989
Status: inactive
Page Count: 1

Document History

P.53
January 1, 1989
Psophometers (Apparatus for the Objective Measurement of Circuit Noise) - Telephone Transmission Quality (Study Group XII) 1 pp
A description is not available for this item.

References

This document is referenced by:
IEC 60870-2-1 - Telecontrol equipment and systems - Part 2: Operating conditions - Section 1: Power supply and electromagnetic compatibility
Published by IEC on December 1, 1995
Scope and object This section of IEC 870-2 applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and control of geographically widespread processes. It...
This document is referenced by:
BS 7940 - Analogue PSTN Terminal Support Interface
Published by BSI on October 15, 1999
This standard applies to apparatus having an interface for the connection of Terminal Equipment (T.E.) intended for a Direct Exchange Line (D.E.L.) and specifies the performance requirements of the...
This document is referenced by:
IEC 61097-7 - Global maritime distress and safety system (GMDSS) – Part 7: Shipborne VHF radiotelephone transmitter and receiver – Operational and performance requirements, methods of testing and required test results
Published by IEC on January 1, 2018
This part of IEC 61097 specifies the minimum performance requirements, technical characteristics and methods of testing with required test results for VHF radio installations capable of voice...
This document is referenced by:
IEC 62238 - Maritime navigation and radiocommunication equipment and systems VHF radiotelephone equipment incorporating Class "D" Digital Selective Calling (DSC) Methods of testing and required test results
Published by IEC on March 1, 2003
This International Standard covers the minimum requirements for general communication for shipborne fixed installations using a VHF radiotelephone incorporating class "D" Digital Selective Calling....
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