ETR 087 : 20001
Current
The latest, up-to-date edition.
BUSINESS TELECOMMUNICATIONS (BT) - OPEN NETWORK PROVISION (ONP) TECHNICAL REQUIREMENTS; STANDARDISATION REQUIREMENTS FOR ONP LEASED LINES - HIGHER ORDER LEASED LINES
Hardcopy , PDF
English
Foreword
Executive summary
1 Introduction
2 References
3 Definitions
4 Symbols and abbreviations
5 General considerations
5.1 Existing standards concerning 34 and 140 Mbit/s
5.2 Existing Plesiochronous Digital Hierarchy (PDH) network
5.3 Existing terminal equipment
5.4 Service structure
6 Service offering
6.1 Scenario
6.2 Opinions
7 Proposed standardisation
7.1 General
7.2 Network interface presentation
7.3 Connection characteristics
7.4 Terminal equipment interface presentation
7.5 Terminal equipment attachment requirements (TBR)
7.6 Testing
8 Format of standards
8.1 Configuration
8.2 Word processorMbit/s standards
9 Conclusions
Annex A (informative): Frame structure proposed by TM3 for 34
and 140 Mbit/s leased lines
Annex B (informative): Proposed titles for 34 and 140 Mbit/s
standards
B.1 Titles for structured leased line standards
Annex C (informative): Proposed contents and scopes for
34 Mbit/s and 140 Mbit/s standards
C.1 D34S Network interface presentation
C.2 D34S Connection characteristics
C.3 D34S Terminal interface presentation
C.4 D34S Terminal equipment attachment requirements
C.5 D140S Network interface presentation
C.6 D140S Connection characteristics
C.7 D140S Terminal interface presentation
C.8 D140S Terminal equipment attachment requirements
Annex D (informative): Bringing into service limits
D.1 CCITT Recommendations M.550 and M.2100
Annex E (informative): 8 Mbit/s Leased Line
Annex F (informative): Bibliography
History
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