Telephone network interface apparatus
US4809323A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1988 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Mar 4, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Telephone network interface apparatus for interconnecting a plurality of incoming telephone lines to a plurality of subscriber premises lines and for providing demarcation points therebetween including a multi-line interface plug provided with a plurality of conductors interconnecting the multi-line interface plug with a plurality of subscriber terminals, a multi-line interface jack mounted on a base and provided with a movable member movable into a plurality of different positions, with the movable member in one of the positions and the multi-line interface plug inserted in the multi-line interface jack, all of the plurality of subscriber lines are interconnected with all the incoming telephone lines, and with the multi-line plug removed, a demarcation point provided between one of the subscriber premises lines and one of the incoming telephone lines facilitating a determination of where a fault exists with respect to the one line and with the movable member positioned in another of the positions, a second demarcation point provided between another of the subscriber premises lines and another of the incoming telephone lines facilitating a determination of where a fault exists with…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.