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    HOST DEVICE, OPTICAL ACCESS SYSTEM, TRANSFER METHOD AND COMPUTER PROGRAM
    1.
    发明公开
    HOST DEVICE, OPTICAL ACCESS SYSTEM, TRANSFER METHOD AND COMPUTER PROGRAM 审中-公开

    公开(公告)号：US20240022503A1

    公开(公告)日：2024-01-18

    申请号：US18035452

    申请日：2020-11-10

    申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION

    发明人： Satoshi SHIMAZU ,  Tomoaki YOSHIDA ,  Takayoshi TASHIRO ,  Kenta ITO

    IPC分类号： H04L45/24 ,  H04L45/00

    CPC分类号： H04L45/245 ,  H04L45/22

    摘要： 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.

    MIGRATION ASSIST DEVICE, MIGRATION METHOD AND OPTICAL ACCESS SYSTEM
    2.
    发明公开
    MIGRATION ASSIST DEVICE, MIGRATION METHOD AND OPTICAL ACCESS SYSTEM 审中-公开

    公开(公告)号：US20230412272A1

    公开(公告)日：2023-12-21

    申请号：US18035223

    申请日：2020-11-10

    申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION

    发明人： Satoshi SHIMAZU ,  Tomoaki YOSHIDA ,  Takayoshi TASHIRO ,  Kenta ITO

    IPC分类号： H04B10/27

    CPC分类号： H04B10/27

    摘要： A transition assistance device that assists device replacement in an optical access system including a transition source subscriber line terminal station device and a transition destination subscriber line terminal station device, the transition assistance device including: a first member, and a second member that is movable, in which the first member includes a first port for connecting to the transition source subscriber line terminal station device, and a second port for connecting to the transition destination subscriber line terminal station device, the second member includes a third port for connecting to one or more subscriber line terminal devices connected to the transition source subscriber line terminal station device, and at a start of the device replacement, the first port and the third port are connected to each other via a connection line; a cutting unit that cuts the connection line connecting the first port and the third port to each other after the transition assistance device is connected to the transition destination subscriber line terminal station device via the second port; a movement control unit that moves the second member after the connection line is cut; and a connection unit that connects the second port and the third port to each other with connection lines after movement of the second member.

    MIGRATION SUBSCRIBER LINE TERMINAL, TRANSFER METHOD AND OPTICAL ACCESS SYSTEM
    4.
    发明公开
    MIGRATION SUBSCRIBER LINE TERMINAL, TRANSFER METHOD AND OPTICAL ACCESS SYSTEM 审中-公开

    公开(公告)号：US20240015423A1

    公开(公告)日：2024-01-11

    申请号：US18035212

    申请日：2020-11-10

    申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION

    发明人： Satoshi SHIMAZU ,  Tomoaki YOSHIDA ,  Takayoshi TASHIRO ,  Kenta ITO

    IPC分类号： H04Q11/00

    CPC分类号： H04Q11/0067 ,  H04Q2011/009

    摘要： A transition destination subscriber line terminal station device in an optical access system including: a transition source subscriber line terminal station device before device replacement; and the transition destination subscriber line terminal station device that is a device replacement destination, the transition destination subscriber line terminal station device including: a higher-level device side transition unit including a higher-level port for connecting to the higher-level device and a first transition port that transfers data transferred from the higher-level device to the transition source subscriber line terminal station device; a subscriber side transfer unit including subscriber side connection ports for connecting to one or more subscriber line terminal devices, and a second transition port that transfers data transmitted from the subscriber line terminal devices to the transition source subscriber line terminal station device; a transfer table setting unit that changes a setting of a transfer table in which a port at which data is received, a destination of the data, and a port of a transfer destination of the data are associated with each other; and a transfer control unit that performs data transfer to the transition source subscriber line terminal station device via at least the first transition port in accordance with the transfer table.