Method and apparatus for reliable operation of universal voice grade cards
US6078593A · kind A · utility
14Cited by
46References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1997 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Feb 4, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J2203/0089
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A fiber to the curb communication system providing telephone service to subscribers using line cards which are pluggable into a broadband network unit. The line cards provide telephone service to up to six lines per card. The cards are programmable from a central location, and the system includes self-testing of the cards, ring generator testing and provides for testing of the telephone lines from the system to the subscriber's location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.