JPH0537559Y2 - - Google Patents

Info

Publication number
JPH0537559Y2
JPH0537559Y2 JP1987064591U JP6459187U JPH0537559Y2 JP H0537559 Y2 JPH0537559 Y2 JP H0537559Y2 JP 1987064591 U JP1987064591 U JP 1987064591U JP 6459187 U JP6459187 U JP 6459187U JP H0537559 Y2 JPH0537559 Y2 JP H0537559Y2
Authority
JP
Japan
Prior art keywords
communication
bus
redundant
broadcast
abnormality
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 - Lifetime
Application number
JP1987064591U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63171046U (US20100056889A1-20100304-C00004.png
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 filed Critical
Priority to JP1987064591U priority Critical patent/JPH0537559Y2/ja
Publication of JPS63171046U publication Critical patent/JPS63171046U/ja
Application granted granted Critical
Publication of JPH0537559Y2 publication Critical patent/JPH0537559Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Safety Devices In Control Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)
JP1987064591U 1987-04-28 1987-04-28 Expired - Lifetime JPH0537559Y2 (US20100056889A1-20100304-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987064591U JPH0537559Y2 (US20100056889A1-20100304-C00004.png) 1987-04-28 1987-04-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987064591U JPH0537559Y2 (US20100056889A1-20100304-C00004.png) 1987-04-28 1987-04-28

Publications (2)

Publication Number Publication Date
JPS63171046U JPS63171046U (US20100056889A1-20100304-C00004.png) 1988-11-08
JPH0537559Y2 true JPH0537559Y2 (US20100056889A1-20100304-C00004.png) 1993-09-22

Family

ID=30900888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987064591U Expired - Lifetime JPH0537559Y2 (US20100056889A1-20100304-C00004.png) 1987-04-28 1987-04-28

Country Status (1)

Country Link
JP (1) JPH0537559Y2 (US20100056889A1-20100304-C00004.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964120A (en) * 1989-09-08 1990-10-16 Honeywell Inc. Method of detecting a cable fault and switching to a redundant cable in a universal local area network

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559225A (en) * 1978-06-30 1980-01-23 Nissin Electric Co Ltd Check method of double bus
JPS57124950A (en) * 1981-01-27 1982-08-04 Nippon Telegr & Teleph Corp <Ntt> Duplicated bus connecting system
JPS6232739A (ja) * 1985-08-05 1987-02-12 Nec Corp 切換制御方式
JPS62126734A (ja) * 1985-11-27 1987-06-09 Nec Corp ロ−カルエリアネツトワ−クの切換方式

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559225A (en) * 1978-06-30 1980-01-23 Nissin Electric Co Ltd Check method of double bus
JPS57124950A (en) * 1981-01-27 1982-08-04 Nippon Telegr & Teleph Corp <Ntt> Duplicated bus connecting system
JPS6232739A (ja) * 1985-08-05 1987-02-12 Nec Corp 切換制御方式
JPS62126734A (ja) * 1985-11-27 1987-06-09 Nec Corp ロ−カルエリアネツトワ−クの切換方式

Also Published As

Publication number Publication date
JPS63171046U (US20100056889A1-20100304-C00004.png) 1988-11-08

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