Foreword
Introduction
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Open Network Provision and leased lines
4.1 The ONP concept and its application to leased lines
4.2 Structure of the leased line standards
5 Classification of leased lines
5.1 The CCITT attribute technique
6 Digital leased lines
6.1 Connection characteristics
6.2 Interface presentations (network and terminal equipment)
7 Analogue leased lines
7.1 Selection criteria
7.2 Connection characteristics and network interface
7.3 Terminal equipment interface
Annex A (informative): Standards defining the ONP minimum set
of leased lines
History