JPS551714A - Remote power supply switching control system for communication control unit - Google Patents

Remote power supply switching control system for communication control unit

Info

Publication number
JPS551714A
JPS551714A JP7380378A JP7380378A JPS551714A JP S551714 A JPS551714 A JP S551714A JP 7380378 A JP7380378 A JP 7380378A JP 7380378 A JP7380378 A JP 7380378A JP S551714 A JPS551714 A JP S551714A
Authority
JP
Japan
Prior art keywords
power supply
cut
units
control unit
communication control
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
JP7380378A
Other languages
Japanese (ja)
Inventor
Hiroshi Ogawa
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 JP7380378A priority Critical patent/JPS551714A/en
Publication of JPS551714A publication Critical patent/JPS551714A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Power Sources (AREA)

Abstract

PURPOSE:To prevent the lowering in the system reliability by constituting the system that all the registers in the communication control unit receiving power supply failure code from all the communication terminal units memorize the power supply failure permission memory signal and the power supply is cut off with the logical output. CONSTITUTION:The power supply failure code 4 received via the communication lines L-1...L-n from the communication terminal units 11-1...11-n is decoded 6 and it is fed to the register 7 corresponding to the units 11-1...11-n and memorized as the power supply cut off permission memory signal. In this case, when the power supply cut off code 4 is received from all the units 11-1...11-n, all the registers 7 memorize the power supply cut off permission memory signal and the power supply is cut off with the logical product output. Thus, the units can always be used as far as the communication terminal unit does not feed the power supply cut off signal to the communication control unit, thus preventing the lowering in the system reliability due to interruption of job.
JP7380378A 1978-06-20 1978-06-20 Remote power supply switching control system for communication control unit Pending JPS551714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7380378A JPS551714A (en) 1978-06-20 1978-06-20 Remote power supply switching control system for communication control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7380378A JPS551714A (en) 1978-06-20 1978-06-20 Remote power supply switching control system for communication control unit

Publications (1)

Publication Number Publication Date
JPS551714A true JPS551714A (en) 1980-01-08

Family

ID=13528683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7380378A Pending JPS551714A (en) 1978-06-20 1978-06-20 Remote power supply switching control system for communication control unit

Country Status (1)

Country Link
JP (1) JPS551714A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134301A (en) * 1981-02-12 1982-08-19 Bridgestone Corp Wheel of tubeless tire for truck and bus
JPH0296820A (en) * 1988-10-04 1990-04-09 Fujitsu Ltd System for compulsorily disconnecting power supply of station controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134301A (en) * 1981-02-12 1982-08-19 Bridgestone Corp Wheel of tubeless tire for truck and bus
JPH0296820A (en) * 1988-10-04 1990-04-09 Fujitsu Ltd System for compulsorily disconnecting power supply of station controller

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