Error Performance and Availability Objectives for the Local-Grade Portion at Each End of an Integrated Services Digital Network Connection at a Bit Rate Below the Primary Rate Utilizing Digital Radio-Relay Systems
No Hypothetical Reference Digital Path (HRDP) is proposed for local-grade applications. Administrations are advised to develop their own representative network model in accordance with Annex A of ITU-T Recommendation G.801 in order to validate prima facie