KR900019423A - Loop shape optical data transmission device and branch repeater - Google Patents

Loop shape optical data transmission device and branch repeater Download PDF

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Publication number
KR900019423A
KR900019423A KR1019900006804A KR900006804A KR900019423A KR 900019423 A KR900019423 A KR 900019423A KR 1019900006804 A KR1019900006804 A KR 1019900006804A KR 900006804 A KR900006804 A KR 900006804A KR 900019423 A KR900019423 A KR 900019423A
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South Korea
Prior art keywords
branch
transmission path
loop
optical data
switching
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KR1019900006804A
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Korean (ko)
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KR930010275B1 (en
Inventor
쯔토무 사꾸라이
요시후미 하라
히로유끼 오까모토
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다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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Priority to US07/621,814 priority Critical patent/US5075926A/en
Publication of KR900019423A publication Critical patent/KR900019423A/en
Application granted granted Critical
Publication of KR930010275B1 publication Critical patent/KR930010275B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42Loop networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)

Abstract

내용 없음No content

Description

루우프형상 광데이터 전송장치 및 그 분기중계기Loop shape optical data transmission device and branch repeater

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 루우프형상 광데이터 전송장치의 1실시예의 전체 구성도, 제2도는 접속하는 분기전송로에 의한 지연시간이 이미 알려진 경우의 분기중계기의 구성도, 제3도는 동 신호파형도.1 is an overall configuration diagram of one embodiment of the loop-shaped optical data transmission apparatus of the present invention, and FIG. 2 is a configuration diagram of a branch repeater when a delay time by a branch transmission path to be connected is known, and FIG. 3 is a signal waveform diagram. .

Claims (6)

모국과 복수의 자국을 광전송로에 의해 루우프현상으로 접속한 루우프 형상 광데이터 전공장치에 있어서, 모국에 루우프형상으로 접속된 주전송로에, 주전송로로부터의 입력단부와 중계수단과 주전송로에 대한 출력단부, 및 상기 중계수단으로부터 분기전송로에의 출력단부와 분기전송로로부터의 입력단부와 주전송로와 분기전송로의 절환수단을 구비한 분기중계기를 개장하고 분기중계기에 단일의 또는 분기전송로에 의해 접속된 복수의 자국을 접속한 것을 특징으로 하는 루우프형상 광 데이터 전송장치.A loop-shaped optical data major device in which a mother station and a plurality of stations are connected in a loop through an optical transmission path, comprising: an input end, relay means, and a main transmission path from a main transmission path to a main transmission path connected in a loop shape to a mother station; And a branch repeater having an output end for the branch, and an output end from the relay means to the branch transmission path, an input end from the branch transmission path, and switching means for the main transmission path and the branch transmission path. A loop-shaped optical data transmission device comprising a plurality of slave stations connected by branch transmission paths. 주전송로로부터의 입력단부와 중계수단과 주전송로에 대한 출력단부 및 상기 중계수단으로부터 분기전송로로의 출력단부와 분기전송로로부터의 입력단부와 주전송로와 분기전송로의 절환수단을 구비하고, 분기전송로로부터의 입력단부의 수광레벨 검출수단을 설치하고, 그 검출신호에 의거하여 상기 전환수단을 전환하도록 한 것을 특징으로 하는 루우프형상 광데이터 전송장치의 분기중계기.The input end and relay means from the main transmission path and the output end to the main transmission path, the output end from the relay means to the branch transmission path, and the input end from the branch transmission path and the switching means of the main transmission path and the branch transmission path. And a light receiving level detecting means for the input end portion from the branch transmission path, and switching the switching means based on the detection signal. 제2항에 있어서, 분기전송로로부터의 입력신호의 연속전송에러 검출수단을 설치하고 그 검출신호에 의거하여 절환수단을 절환하도록 한 것을 특징으로 하는 루우프형상 광데이터 전송장치의 분기중계기.The branch repeater according to claim 2, characterized in that a continuous transmission error detection means for input signal from the branch transmission path is provided and the switching means is switched based on the detection signal. 제2항 또는 제3항에 있어서, 중계수단과 절환수단과의 사이에 분기전송로의 등가지연회로를 개장한 것을 특징으로 하는 루우프형상 광데이터 전송장치의 분기중계기.The branch repeater of a loop-shaped optical data transmission device according to claim 2 or 3, wherein an equal branch circuit of a branch transmission path is provided between the relay means and the switching means. 제2항 또는 제3항에 있어서, 중계수단으로부터의 전송신호 및 분기전송로로부터 입력된 전송신호의 각 프레임의 종단부를 검출하는 프레임 완료 검출수단을 설치하고, 그들의 검출신호에 의거하여 절환수단을 절환하도록 한 것을 특징으로 하는 루우프형상 광 데이터 전송장치의 분기중계기.4. The apparatus according to claim 2 or 3, wherein frame completion detecting means for detecting the end of each frame of the transmission signal from the relay means and the transmission signal input from the branch transmission path is provided, and the switching means is switched on the basis of those detection signals. A branch repeater of a loop-shaped optical data transmission device, characterized in that for switching. 분기전송로로부터의 입력단부의 수광량레벨이 일정치 이하가되면 이것을 검출하는 수광량 다운검출수단과, 중계수단으로부터 전송신호가 출력되지 않고 있는 것을 검출하는 비전송중 검출수단을 설치하고, 이들의 검출신호에 의거하여 절환수단을 절환하도록한 것을 특징으로 하는 루우프형상 광데이터 전송장치의 분기중계기.A light receiving amount down detecting means for detecting when the light receiving amount level at the input end from the branch transmission path is equal to or lower than a predetermined value, and non-transmitting detecting means for detecting that no transmission signal is output from the relay means; A branch repeater of a loop-shaped optical data transmission device, characterized in that for switching the switching means based on a signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900006804A 1989-05-12 1990-05-12 Loop type optical data transfer apparatus and distributed relay for the same KR930010275B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/621,814 US5075926A (en) 1990-05-12 1990-12-04 Handle for electronic equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1118909A JPH02299340A (en) 1989-05-12 1989-05-12 Looped optical data transmitter and its branching repeater
JP1-118909 1989-05-12

Publications (2)

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KR900019423A true KR900019423A (en) 1990-12-24
KR930010275B1 KR930010275B1 (en) 1993-10-16

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Publication number Priority date Publication date Assignee Title
WO2024134827A1 (en) * 2022-12-22 2024-06-27 日本電信電話株式会社 Core wire switching method

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KR930010275B1 (en) 1993-10-16

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