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I.S. I-ETS 300 003:1992

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS OF DIGITAL - PRIVATE AUTOMATIC BRANCH EXCHANGES (PABXS)

Available format(s)

Hardcopy , PDF

Withdrawn date

23-07-2013

Language(s)

English

Published date

01-01-1992

€64.00
Excluding VAT

1 Foreword
2 Scope
3 Related standards
4 Definitions
  4.1 Test points, PABX input and output and
      half connections
  4.2 Relative levels
  4.3 Transmission loss
  4.4 Loss distortion with frequency
  4.5 Digital parameters
  4.6 Characteristics of interfaces
  4.7 Voice frequency parameters of a connection between
      two interfaces of the same PABX
5 Voice frequency characteristics specified with reference
  to the entire connection (between two interfaces of the
  same PABX)
  5.1 Measurement conditions
  5.2 Round trip delay
  5.3 Weighted noise
  5.4 Total distortion including quantizing distortion
  5.5 Crosstalk
  5.6 Discrimination against out-of-band signals applied
      to the input interface
  5.7 Spurious out-of-band signals received at the
      output interface
  5.8 Echo and stability

Deals with the transmission properties of digital PABX-Systems to be connected to the public switched telephone network (PSTN), for PABX-Systems which have Digital Test Points.

DocumentType
Standard
Pages
29
PublisherName
National Standards Authority of Ireland
Status
Withdrawn

Standards Relationship
I-ETS 300 003 : AUG 91 Identical

ETR 004 : 20001 BUSINESS TELECOMMUNICATIONS (BT); OVERALL TRANSMISSION PLAN ASPECTS OF A PRIVATE BRANCH NETWORK FOR VOICE CONNECTIONS WITH ACCESS TO THE PUBLIC NETWORK
I-ETS 300 006 : AUG 91 BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT DIGITAL INTERFACES OF A PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
I-ETS 300 005 : AUG 91 BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 4-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
I-ETS 300 004 : AUG 91 BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)

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