HOST DEVICE, OPTICAL ACCESS SYSTEM, TRANSFER METHOD AND COMPUTER PROGRAM
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
Nov 10, 2020
filing date -
Nov 10, 2020
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Abstract
A higher-level device in an optical access system including: the higher-level device; a transition source subscriber line terminal station device before device replacement, the transition source subscriber line terminal station device communicating with the higher-level device and one or more subscriber line terminal devices; and a transition destination subscriber line terminal station device that is a device replacement destination, the higher-level device including a transfer control unit that transfers, in a case where data transmitted from the transition destination subscriber line terminal station device is received at a time of device replacement, to the transition destination subscriber line terminal station device, data addressed to one of the subscriber line terminal devices that is a transmission source of the data transmitted from the transition destination subscriber line terminal station device.
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