| 摘要 |
An ADM device which is capable of performing LCAS functions, configures a first communication network, and is connected to another ADM device which is connected to a second communication network, comprising an SDH interface for connecting to the other ADM device by SDH connection, an H4 byte monitoring means for monitoring the H4 byte of POH in the SDH interface, an LCAS control information acquisition means for acquiring LCAS control information from the H4 byte monitored by the H4 byte monitoring means, and an LCAS control information transmission means for transmitting LCAS control information acquired by the LCAS control information acquisition means to the other ADM devices, thereby providing an ADM device and signal transmission method which comprises a function for efficiently handling sharp variations in traffic, promotes work efficiency of transmission capacity increase/decrease speed within ADM systems, and actualizes the facilitation of management.
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