JPS5429938A - Data transmission controller - Google Patents

Data transmission controller

Info

Publication number
JPS5429938A
JPS5429938A JP9513177A JP9513177A JPS5429938A JP S5429938 A JPS5429938 A JP S5429938A JP 9513177 A JP9513177 A JP 9513177A JP 9513177 A JP9513177 A JP 9513177A JP S5429938 A JPS5429938 A JP S5429938A
Authority
JP
Japan
Prior art keywords
data transmission
transmission controller
auxiliary
controller
diagnosing
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
JP9513177A
Other languages
Japanese (ja)
Inventor
Takeshi Hirayama
Yasuo Kaminaga
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9513177A priority Critical patent/JPS5429938A/en
Publication of JPS5429938A publication Critical patent/JPS5429938A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enhance the reliability at the switching time to the auxiliary side by multiplexing a data transmission controller, which manages and controls data transmission between stations, and self-diagnosing the auxiliary-side controller beforehand by the management and control of itself.
COPYRIGHT: (C)1979,JPO&Japio
JP9513177A 1977-08-10 1977-08-10 Data transmission controller Pending JPS5429938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9513177A JPS5429938A (en) 1977-08-10 1977-08-10 Data transmission controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9513177A JPS5429938A (en) 1977-08-10 1977-08-10 Data transmission controller

Publications (1)

Publication Number Publication Date
JPS5429938A true JPS5429938A (en) 1979-03-06

Family

ID=14129258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9513177A Pending JPS5429938A (en) 1977-08-10 1977-08-10 Data transmission controller

Country Status (1)

Country Link
JP (1) JPS5429938A (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
JPS59186439A (en) * 1983-04-07 1984-10-23 Mitsubishi Electric Corp Optical transmitter of vehicle
JPS60233735A (en) * 1984-05-04 1985-11-20 Hitachi Ltd Switching system of information processor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5195750A (en) * 1975-02-19 1976-08-21
JPS5290791A (en) * 1976-01-27 1977-07-30 Toshiba Corp Information transmission system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5195750A (en) * 1975-02-19 1976-08-21
JPS5290791A (en) * 1976-01-27 1977-07-30 Toshiba Corp Information transmission system

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
JPS59186439A (en) * 1983-04-07 1984-10-23 Mitsubishi Electric Corp Optical transmitter of vehicle
JPS60233735A (en) * 1984-05-04 1985-11-20 Hitachi Ltd Switching system of information processor

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