发明名称 |
Method and apparatus for making wavelength adjustments in a wavelength division multiplex system |
摘要 |
<p>Method and apparatus for making wavelength and power adjustments to a laser in a wavelength division multiplex system includes an extender card containing fiber optic transmission devices and path attenuators is inserted in the system in place of a card containing the laser to be adjusted. The extender card includes switches to put the laser under adjustment in known states for making power adjustments and wavelength adjustments without affecting system operation. After adjustments have been made, the extender card is removed and the laser card is reinstalled in the system.</p> |
申请公布号 |
EP0740432(A2) |
申请公布日期 |
1996.10.30 |
申请号 |
EP19960105775 |
申请日期 |
1996.04.12 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
JANNIELLO, FRANK JAMES;NEUNER, RICHARD ANDREW |
分类号 |
H04J14/02;H04J14/00;H04B10/02;H04B10/08;(IPC1-7):H04B10/145 |
主分类号 |
H04J14/02 |
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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