I-ETS 300 004 : AUG 91

Withdrawn

BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)

Withdrawn date

01-10-2000

Published date

12-01-2013

Publisher

European Telecommunications Standards Institute

1 Foreword
2 Scope
3 Related standards
4 Definitions
  4.1 Definitions of interfaces
  4.2 Definition of parameters
5 2-wire interface specifications
  5.1 Characteristics of interfaces
  5.2 Characteristics of half connections
Annex A: Test networks for PABX input impedances at
         interfaces K2 and M2
Annex B: Relative levels for K2 and M22 interfaces
         in dBr
Annex C: Test networks for PABX input impedances at
         interface L2
Annex D: Relative levels at interface L2 and M21 in dBr
Annex E: Test networks for TBRL in different European
         Administrations
Annex F: Compensation of losses on long or short 2-wire
         lines
Annex G: Impedance unbalance about earth in different
         European Administrations
Annex H: Discrimination against out-of-band signals applied
         to the input interface: Signals below 300 Hz
Annex J: Single frequency noise (dBmO)
Annex K: Return loss

Consists of characteristics for 2-wire interfaces which are involved in 2-wire connections with the public switched telephone network (PSTN).

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Status	Withdrawn

Standards	Relationship
DIN V I-ETS 300004:1992-03	Identical
I.S. I-ETS 300 004:1992	Identical
PN I-ETS 300 004 : 2005	Identical

ETR 063 : 20001	BUSINESS TELECOMMUNICATIONS (BT) - A SURVEY OF ANALOGUE ACCESSES TO THE PSTN NOT COVERED BY FINAL DRAFT prETS 300 001
EG 202 192 : 1.1.2	SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); COMPARISON OF PBX TRANSMISSION REQUIREMENTS IN ANSI/TIA-464-C AND ETSI ES 201 168 V1.2.1
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)
I.S. I-ETS 300 003:1992	BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS OF DIGITAL - PRIVATE AUTOMATIC BRANCH EXCHANGES (PABXS)
XP I ETS 300245-4 : 99 XP	INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PART 4: ADDITIONAL EQUIPMENT INTERFACE (AEI)