T-interface: For basic rate access in an Integrated Services DigitalNetwork (ISDN) environment, a user-to-network interfacereference point[?] that (a) is characterized by a four-wire, 144-kb/s (2B+D) user rate, (b) accommodates the link access and transport layer function in the ISDN architecture, (c) is located at the user premises, (d) is distance sensitive to the servicing network terminating equipment, and (e) functions in a manner analogous to that of the Channel Service Units (CSUs) and the Data Service Units[?] (DSUs).
... with no husband present, and 16.2% are non-families. 12.0% of all households are made up of individuals and 3.4% have someone living alone who is 65 years of ag ...