JPS5226104A - Back-up system in data transmission - Google Patents

Back-up system in data transmission

Info

Publication number
JPS5226104A
JPS5226104A JP10212775A JP10212775A JPS5226104A JP S5226104 A JPS5226104 A JP S5226104A JP 10212775 A JP10212775 A JP 10212775A JP 10212775 A JP10212775 A JP 10212775A JP S5226104 A JPS5226104 A JP S5226104A
Authority
JP
Japan
Prior art keywords
data transmission
multiplexing
establishing
shall
transmission line
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
JP10212775A
Other languages
Japanese (ja)
Inventor
Seiichi Miyazaki
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.)
NIPPON SHISUTEMU KOUGIYOU KK
NIPPON SYST KOGYO KK
NIPPON SYSTEM KOGYO KK
Original Assignee
NIPPON SHISUTEMU KOUGIYOU KK
NIPPON SYST KOGYO KK
NIPPON SYSTEM KOGYO KK
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 SHISUTEMU KOUGIYOU KK, NIPPON SYST KOGYO KK, NIPPON SYSTEM KOGYO KK filed Critical NIPPON SHISUTEMU KOUGIYOU KK
Priority to JP10212775A priority Critical patent/JPS5226104A/en
Priority to GB10444/76A priority patent/GB1530405A/en
Priority to US05/667,415 priority patent/US4078228A/en
Priority to DE19762612311 priority patent/DE2612311A1/en
Priority to FR7608451A priority patent/FR2305899A1/en
Publication of JPS5226104A publication Critical patent/JPS5226104A/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
    • H04L12/427—Loop networks with decentralised control
    • H04L12/43—Loop networks with decentralised control with synchronous transmission, e.g. time division multiplex [TDM], slotted rings

Landscapes

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

Abstract

PURPOSE:By multiplexing a handset equipment and establishing one spare interface in each data station of a common transmission line, an economical backup shall be performed and a system reliability be improved with a simple structure.
JP10212775A 1975-03-24 1975-08-25 Back-up system in data transmission Pending JPS5226104A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10212775A JPS5226104A (en) 1975-08-25 1975-08-25 Back-up system in data transmission
GB10444/76A GB1530405A (en) 1975-03-24 1976-03-16 Loop data highway communication system
US05/667,415 US4078228A (en) 1975-03-24 1976-03-16 Loop data highway communication system
DE19762612311 DE2612311A1 (en) 1975-03-24 1976-03-23 DATA LOOP BUSWAY INTERCONNECTION SYSTEM
FR7608451A FR2305899A1 (en) 1975-03-24 1976-03-24 COMMON LINE LOOP DATA TRANSMISSION SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10212775A JPS5226104A (en) 1975-08-25 1975-08-25 Back-up system in data transmission

Publications (1)

Publication Number Publication Date
JPS5226104A true JPS5226104A (en) 1977-02-26

Family

ID=14319107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10212775A Pending JPS5226104A (en) 1975-03-24 1975-08-25 Back-up system in data transmission

Country Status (1)

Country Link
JP (1) JPS5226104A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5765940A (en) * 1980-10-11 1982-04-21 Meidensha Electric Mfg Co Ltd Relieving system for station down in loop transmission processing system
JPS63318839A (en) * 1987-06-22 1988-12-27 Nippon Telegr & Teleph Corp <Ntt> Terminal office equipment incorporating switching function
JPH06324951A (en) * 1991-10-31 1994-11-25 Internatl Business Mach Corp <Ibm> Computer system with error inspection / correction function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828102A (en) * 1971-08-13 1973-04-13
JPS4947307A (en) * 1972-09-12 1974-05-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828102A (en) * 1971-08-13 1973-04-13
JPS4947307A (en) * 1972-09-12 1974-05-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5765940A (en) * 1980-10-11 1982-04-21 Meidensha Electric Mfg Co Ltd Relieving system for station down in loop transmission processing system
JPS63318839A (en) * 1987-06-22 1988-12-27 Nippon Telegr & Teleph Corp <Ntt> Terminal office equipment incorporating switching function
JPH06324951A (en) * 1991-10-31 1994-11-25 Internatl Business Mach Corp <Ibm> Computer system with error inspection / correction function

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