发明名称 |
Apparatus and method for monitoring power loss in a telecommunications system |
摘要 |
A method and apparatus are provided for monitoring power loss in a telecommunications system. Power is received from a permanent power source. A loss of power from the permanent power source is detected. Responsive to the detection of loss of power, a message indicative of a power failure is transmitted at least once on an optical fiber, the message transmission being powered by a temporary power source.
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申请公布号 |
US5523868(A) |
申请公布日期 |
1996.06.04 |
申请号 |
US19940322388 |
申请日期 |
1994.10.12 |
申请人 |
DSC COMMUNICATIONS CORPORATION |
发明人 |
HAWLEY, GEORGE T. |
分类号 |
H04M3/22;H04B10/08;H04M11/00;(IPC1-7):H04B10/08 |
主分类号 |
H04M3/22 |
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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