JPS6161303B2 - - Google Patents

Info

Publication number
JPS6161303B2
JPS6161303B2 JP54030245A JP3024579A JPS6161303B2 JP S6161303 B2 JPS6161303 B2 JP S6161303B2 JP 54030245 A JP54030245 A JP 54030245A JP 3024579 A JP3024579 A JP 3024579A JP S6161303 B2 JPS6161303 B2 JP S6161303B2
Authority
JP
Japan
Prior art keywords
optical
circuit
signal
loop
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP54030245A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55123248A (en
Inventor
Takeshi Sawai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP3024579A priority Critical patent/JPS55123248A/ja
Publication of JPS55123248A publication Critical patent/JPS55123248A/ja
Publication of JPS6161303B2 publication Critical patent/JPS6161303B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04L12/437Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
JP3024579A 1979-03-15 1979-03-15 Light loop data transmission system Granted JPS55123248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3024579A JPS55123248A (en) 1979-03-15 1979-03-15 Light loop data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3024579A JPS55123248A (en) 1979-03-15 1979-03-15 Light loop data transmission system

Publications (2)

Publication Number Publication Date
JPS55123248A JPS55123248A (en) 1980-09-22
JPS6161303B2 true JPS6161303B2 (enrdf_load_stackoverflow) 1986-12-25

Family

ID=12298314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3024579A Granted JPS55123248A (en) 1979-03-15 1979-03-15 Light loop data transmission system

Country Status (1)

Country Link
JP (1) JPS55123248A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149133A (en) * 1980-04-21 1981-11-18 Nec Corp Optical data link
JPS611147A (ja) * 1984-06-14 1986-01-07 Nec Corp ル−プ型のロ−カルエリアネツトワ−ク方式
US4654889A (en) * 1985-02-05 1987-03-31 Westinghouse Electric Corp. Multi-star fiber optic network with improved access time
DE19529376A1 (de) * 1995-08-10 1997-02-13 Sel Alcatel Ag Optisches TDMA-Ringnetz mit einer zentralen Sende- und Empfangseinrichtung
JP4545756B2 (ja) * 2004-09-27 2010-09-15 三菱電機株式会社 光波長分岐挿入装置および障害回復方法

Also Published As

Publication number Publication date
JPS55123248A (en) 1980-09-22

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