Table of Contents
1Scope
2Purpose
3References
4Compositionofhypotheticalreferenceconnections
5Numberofmodulationanddemodulationequipments
6Developmentsarisingfromtheongoingintroduction
ofPCMdigitalprocesses
AnnexAAnexplanationofhowhypotheticalreference
connectionscanbedrawnassumingallsend
switchinglevelsare0dBr Abstract
Introduces Integrated Services Digital Network and Integrated Digital Network Hypothetical Reference Connections, and for allowing the ATM Technology into the PSTN. Gives a number of Hypothetical Reference Connections for use in performance of transmission impairment studies.
