Optical termination apparatus and optical transmission system
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United States of America Patent
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-
N/A
Issued Date -
Mar 22, 2007
app pub date -
Aug 15, 2006
filing date -
Aug 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A Triple-Player PON system is configured to have an optical line terminal (OLT) and an element management system (EMS), which are placed in a central office, an optical network terminal (ONT) placed in a subscriber's house, an optical splitter, a trunk line optical fiber, and a termination optical fiber. A variable optical attenuator is provided before a video optical receiver of the ONT, thereby to control the optical attenuation of the variable optical attenuator by a controller so that an input into the video optical receiver becomes an appropriate power.
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