| 摘要 |
A channel allocation apparatus of an OSU in a WDM system includes: an optical signal converter for performing a conversion operation between an E1 data frame and an optical signal; a channel allocating unit for performing a counting operation by a certain unit on the E1 data, detecting an channel allocated to the E1 data or allocating a channel to the E1 data; an E1 framer for reframing the E1 data frame outputted from the optical signal converter to output it to the channel allocating unit, and framing the E1 data outputted from the channel allocating unit to output it to the optical signal converter; and a microprocessor for controlling an operation of the E1 framer. After the E1 data is counted by a certain unit to sequentially identify a plurality of channels, a channel data is assigned to a corresponding channel or a channel data assigned to the channel is detected.
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