Invention Grant
- Patent Title: Optical transmission apparatus, optical interface device, and optical transmission method
- Patent Title (中): 光传输装置，光接口装置和光传输方法
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Application No.: US12320074Application Date: 2009-01-15
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Publication No.: US08032026B2Publication Date: 2011-10-04
- Inventor: Tomoko Sato , Sunao Itou
- Applicant: Tomoko Sato , Sunao Itou
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Staas & Halsey LLP
- Priority: JP2008-138570 20080527
- Main IPC: H04J14/02
- IPC: H04J14/02
Abstract:
When an XFP is plugged into an optical interface unit by live-line plugging, an external bias voltage higher than an internal bias voltage is kept applied to a CDR incorporated in the optical interface unit until the XFP starts up. This prevents exertion of a negative effect on the CDR.
Public/Granted literature
- US20090297150A1 Optical transmission apparatus, optical interface device, and optical transmission method Public/Granted day:2009-12-03
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