Method and apparatus for reliable operation of universal voice grade cards
摘要
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.
申请公布号
US6078593(A)
申请公布日期
2000.06.20
申请号
US19970795184
申请日期
1997.02.04
申请人
NEXT LEVEL COMMUNICATIONS
发明人
EAMES, THOMAS R.;TRINH, LAC X.;MANCHESTER, E. BARTON;YEARWOOD, BRADLEY N.;MANLEY, DAVID J.;HICKS, SCOTT T.;JOHAL, JASKARN S.;ELDERING, CHARLES A.