发明名称 |
Optical network connection test apparatus and methods |
摘要 |
A way of testing a wavelength division multiplexed (WDM) system without requiring connection to data source/sink equipment. A test signal is introduced onto a light path of interest in the system, and the test signal is monitored downstream for signal integrity. Lack of signal integrity is used to identify a fault in the lightpath. Alternatively, optical loopbacks may be used to localize and identify a fault in the lightpath. The lightpath includes a source optical node connected to a sink optical node via intermediate optical nodes. An optical signal introduced at the source node with a destination at the sink node may be looped back at any one of the intermediate nodes or the sink node to localize and identify a fault in the lightpath.
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申请公布号 |
US7110668(B2) |
申请公布日期 |
2006.09.19 |
申请号 |
US20040784972 |
申请日期 |
2004.02.25 |
申请人 |
TELLABS OPERATIONS, INC. |
发明人 |
GERSTEL ORNAN A.;RAMASWAMI RAJIV R.;WARD ROBERT R. |
分类号 |
H04B10/00;H04B10/02;H04B10/08;H04J14/00;H04J14/02 |
主分类号 |
H04B10/00 |
代理机构 |
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地址 |
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