1.
    发明专利
    未知

    公开(公告)号:DE69633591T2

    公开(公告)日:2005-10-27

    申请号:DE69633591

    申请日:1996-04-12

    Applicant: IBM

    Abstract: 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.

    2.
    发明专利
    未知

    公开(公告)号:DE69633591D1

    公开(公告)日:2004-11-18

    申请号:DE69633591

    申请日:1996-04-12

    Applicant: IBM

    Abstract: 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.

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