PD 7020:1996
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Essential requirements for terminal equipment intended for connection to 2-wire analogue speechband leased lines of the public telecommunications network
Hardcopy , PDF
31-01-2014
English
15-06-1996
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Committees responsible
Foreword
1 Scope
2 References
3 Definitions, abbreviations and notation
4 Conformance principles
5 Connection requirements
6 Electrical requirements
7 Safety
8 Electromagnetic compatibility
Annexes
A (normative) Requirements table
B (informative) Information for test purposes
C (informative) General conditions of test
D (normative) Determination of impedance
E (normative) Measurement of transverse conversion
loss
F (normative) Signal power level determination
Tables
1 Connection arrangements at line jack unit
2 Coordinates of limit curves for power level in
a 10 Hz bandwidth
3 Coordinates of power level limit curve above
4.0 kHz
A.1 Connection requirements
A.2 Electrical characteristics requirements table
B.1 Identification of the implementation
B.2 Environmental test conditions
B.3 Additional information about the terminal equipment
C.1 Tolerances of components and physical quantities
F.1 Test applicable to clauses 6.3 and 6.4
Figures
1 Additional circuitry for testing TE in which
direct currents flow
2 Load ZL for return loss measurements
3 Transverse conversion loss
4 Limits of power level in a 10 Hz bandwidth of the
output signal from the TE
5 Power level limit above 4.0 kHz of the output
from the TE
6 Artificial line segment, 0.1 km length
7 Circuit for the powering of TE
E.1 Circuit for the measurement of transverse
conversion loss
List of references
Specifies the technical requirements under Section 22 of the Telecommunications Act 1984 for terminal equipment meant for connection to 2-wire analogue speechband leased lines of the public telecommunications network. Does not give any guarantee of correct terminal-to-terminal operation.
| Committee |
TCT/301
|
| DevelopmentNote |
Inactive for new design. (07/2001)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
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