I-ETS 300 004 : AUG 91
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
01-10-2000
12-01-2013
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Withdrawn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) |
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