JPS53107204A - Communication control unit for ring data - Google Patents

Communication control unit for ring data

Info

Publication number
JPS53107204A
JPS53107204A JP2254377A JP2254377A JPS53107204A JP S53107204 A JPS53107204 A JP S53107204A JP 2254377 A JP2254377 A JP 2254377A JP 2254377 A JP2254377 A JP 2254377A JP S53107204 A JPS53107204 A JP S53107204A
Authority
JP
Japan
Prior art keywords
control unit
communication control
ring data
troubel
discriminate
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.)
Pending
Application number
JP2254377A
Other languages
Japanese (ja)
Inventor
Shoji Aizawa
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2254377A priority Critical patent/JPS53107204A/en
Publication of JPS53107204A publication Critical patent/JPS53107204A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Abstract

PURPOSE:To make it possible to send the information to a loop synchronizing device, which can discriminate the troubel point of a single system or duplex system, by providing a frame-pattern generating circuit to each terminal equipment.
JP2254377A 1977-03-01 1977-03-01 Communication control unit for ring data Pending JPS53107204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2254377A JPS53107204A (en) 1977-03-01 1977-03-01 Communication control unit for ring data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2254377A JPS53107204A (en) 1977-03-01 1977-03-01 Communication control unit for ring data

Publications (1)

Publication Number Publication Date
JPS53107204A true JPS53107204A (en) 1978-09-19

Family

ID=12085726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2254377A Pending JPS53107204A (en) 1977-03-01 1977-03-01 Communication control unit for ring data

Country Status (1)

Country Link
JP (1) JPS53107204A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116353A (en) * 1980-02-19 1981-09-12 Nec Corp Transmission/reception synchronizing system for monitor
JPS6169234A (en) * 1984-09-04 1986-04-09 Oki Electric Ind Co Ltd Loop transmitter and control system for countermeasure to loop transmission fault
JPS62290234A (en) * 1986-06-10 1987-12-17 Nec Corp Frame synchronizing system for loop-type communication network

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116353A (en) * 1980-02-19 1981-09-12 Nec Corp Transmission/reception synchronizing system for monitor
JPS6336587B2 (en) * 1980-02-19 1988-07-20 Nippon Electric Co
JPS6169234A (en) * 1984-09-04 1986-04-09 Oki Electric Ind Co Ltd Loop transmitter and control system for countermeasure to loop transmission fault
JPH0695687B2 (en) * 1984-09-04 1994-11-24 沖電気工業株式会社 Loop transmission failure countermeasure control method
JPS62290234A (en) * 1986-06-10 1987-12-17 Nec Corp Frame synchronizing system for loop-type communication network

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