| 摘要 |
Provided is a mode of alarm transfer for use in a system for transmitting an encapsulated Ethernet signal between an Ethernet termination device (110) connected to a terminal (100) and an Ethernet termination device (120) connected to a terminal (200) being disposed opposite to each other. The Ethernet termination device (110) detects notification form the Ethernet termination device (120) regarding a link down between the terminal (200) and the Ethernet termination device (120), or detects occurrence of a failure on a transmission path between the Ethernet termination device (110) and the Ethernet termination device (120). When a link between the terminal (100) and the Ethernet termination device (110) is disconnected forcibly based on the detection, notification to the Ethernet termination device (120) regarding the link down between the terminal (100) and the Ethernet termination device (110) is withheld.
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