Transmission apparatus, transmission controlling method, and optical supervisory channel (OSC) processing apparatus
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United States of America Patent
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Dec 4, 2012
Grant Date -
Jan 13, 2011
app pub date -
Mar 15, 2010
filing date -
Jul 9, 2009
priority date (Note) -
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Abstract
An integrated transmission apparatus includes a plurality of optical supervisory channel (OSC) processing units for processing OSC signals contained in a wavelength division multiplexing (WDM) signal received from a WDM network and a switching unit for performing the path control of synchronous digital hierarchy (SDH) frames. An OSC processing unit transmits the SDH frame, containing wavelength information indicated by, to the switching unit. Another OSC processing unit acquires the SDH frame, containing wavelength information, from the switching unit and sets an OSC signal which is to be appended to the WDM signal to be transmitted, based on the wavelength information.
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