PD 7010:1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 a handset telephony facility provided by terminal equipment intended for direct connection to an analogue interface of the public switched telephone network
Hardcopy , PDF
English
15-11-1997
20-08-2013
Committees responsible
Foreword
1 Scope
2 References
3 Abbreviations and definitions
4 General
5 TE on-line (non-signalling state)
6 Speech transmission process
7 TE with facility for suppressing transmission
8 Call control
9 Conformity principles
Annexes
A (normative) General
B (normative) Methods of test
C (informative) Information required for type testing
D (normative) Procedure for conditioning carbon microphones
E (informative) Information for test purposes
F (informative) Telephony for elderly and disabled
people
Tables
1 Coordination of voltage limit curve for d.c.
characteristics
2 Coordinates of sending sensitivity limit curves
3 Coordinates of receiving sensitivity limit curves
4 Coordinates of sending loudness rating limit curves for
line lengths up to 7.5 km
5 Coordinates of receiving loudness rating limit curves
for line lengths up to 7.5 km
B.1 Parameters required to calculate SLR, STMR and RLR
E.1 General information
E.2 Options list
E.3 Features implementation
Figures
1 D.C characteristics lower limit
2 Sending sensitivity limits for line lengths of 0 km
3 Sending sensitivity limits for line lengths over 0 km
and up to 3 km
4 Sending sensitivity limits for line lengths over 3 km
and up to 7.5 km
5 Receiving sensitivity limits for line lengths of 0 km
6 Receiving sensitivity limits for line lengths over 0 km
and up to 3 km
7 Receiving sensitivity limits for line lengths over 3 km
and up to 7.5 km
8 Sending loudness rating limits
A.1 Limits of ambient noise for speech transmission tests
B.1 The local telephone system (LTS)
B.2 Artificial line segment 0.1 km length
B.3 Feeding bridge
B.4 Circuit for measurement of signal levels
B.5 Circuit for instability test
B.6 Handset position for instability test
List of references
Defines technical requirements under Section 22 of the Telecommunications Act 1984 for voice telephony justified case under article 4(g) of Directive 91/263/EEC for terminal equipment incorporating a handset for direct attachment to the public switched telephone network (PSTN).
| Committee |
TCT/2
|
| DevelopmentNote |
Inactive for new design. (07/2001)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| BS 2045:1965 | Preferred numbers |
| BS 6312-1:1994 | Connectors for analogue telecommunication interfaces Specification for plugs |
| BS 3593:1963 | Recommendation on preferred frequencies for acoustical measurements |
| PD 6568:1992 | Draft standard to match to and work with ETS 300 001/NET4. Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators |
| BS 4669:1971 | Specification for an artificial ear of the wide band type for the calibration of earphones used in audiometry |
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