# The Telecommunications (Open Network Provision and Leased Lines) Regulations 1997, Schedule 4: Private circuits the provision of which is to be encouraged in accordance with regulation 11


Private circuit type
Technical characteristics
Interface presentation specifications
Connection characteristics and performance specifications
34 368 kbit/s digital structured
ETS 300 686
ETS 300 687
34 368 kbit/s digital unstructured
ETS 300 686
ETS 300 687
139 264 kbit/s digital structured
ETS 300 686
ETS 300 688
139 264 kbit/s digital unstructured
ETS 300 686
ETS 300 688
155 Mbit/s digital (STM-1)
Based on ITU-T G.708
Based on ITU-T G.708

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Source: https://www.legislation.gov.uk/uksi/1997/2932/schedule/4 (the official version)
Page: https://openlegislation.uk/telecommunications-open-network-provision-and-leased-lines-regulations-1997/schedule-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.