发明名称 |
State machine based 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.
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申请公布号 |
US6574333(B1) |
申请公布日期 |
2003.06.03 |
申请号 |
US19990442870 |
申请日期 |
1999.11.18 |
申请人 |
NEXT LEVEL COMMUNICATIONS, INC. |
发明人 |
MANCHESTER E. BARTON;YEARWOOD BRADLEY N. |
分类号 |
H04J3/14;H04Q3/42;H04Q11/04;(IPC1-7):H04M3/00;H04M1/00 |
主分类号 |
H04J3/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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