I-ETS 300 003 : AUG 91

Withdrawn

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

Withdrawn date

10-01-2000

Published date

01-12-2013

Publisher

European Telecommunications Standards Institute

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.

Committee	BT 2
DocumentType	Miscellaneous Product
PublisherName	European Telecommunications Standards Institute
Status	Withdrawn

Standards	Relationship
DIN V I-ETS 300003:1992-03	Identical
I.S. I-ETS 300 003:1992	Identical
PN I-ETS 300 003 : 2005	Identical

ETR 063 : 20001	BUSINESS TELECOMMUNICATIONS (BT) - A SURVEY OF ANALOGUE ACCESSES TO THE PSTN NOT COVERED BY FINAL DRAFT prETS 300 001
I.S. I-ETS 300 004:1992	BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
I.S. I-ETS 300 005:1992	BUSINESS TELECOMMUNICATIONS (BT) - TRANSMISSION CHARACTERISTICS AT 4-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)