JPS52124828A - Diagnosis - Google Patents

Diagnosis

Info

Publication number
JPS52124828A
JPS52124828A JP4085476A JP4085476A JPS52124828A JP S52124828 A JPS52124828 A JP S52124828A JP 4085476 A JP4085476 A JP 4085476A JP 4085476 A JP4085476 A JP 4085476A JP S52124828 A JPS52124828 A JP S52124828A
Authority
JP
Japan
Prior art keywords
diagnosis
subchannel
interface
control
increment
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
JP4085476A
Other languages
Japanese (ja)
Inventor
Shoji Kajizuka
Isao Naito
Masanari Hata
Katsuhiko Yazawa
Kazuo Furukawa
Toshio Awaji
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Oki Electric Industry Co Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP4085476A priority Critical patent/JPS52124828A/en
Publication of JPS52124828A publication Critical patent/JPS52124828A/en
Pending legal-status Critical Current

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Landscapes

  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE: To prevent the increment of hardware by executing the diagnosis of subchannel with the time-sharing control of the interface line between the channel multiplexing unit and the subchannel used in common by the other interface control at the diagnosis of subchannel.
COPYRIGHT: (C)1977,JPO&Japio
JP4085476A 1976-04-13 1976-04-13 Diagnosis Pending JPS52124828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4085476A JPS52124828A (en) 1976-04-13 1976-04-13 Diagnosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4085476A JPS52124828A (en) 1976-04-13 1976-04-13 Diagnosis

Publications (1)

Publication Number Publication Date
JPS52124828A true JPS52124828A (en) 1977-10-20

Family

ID=12592138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4085476A Pending JPS52124828A (en) 1976-04-13 1976-04-13 Diagnosis

Country Status (1)

Country Link
JP (1) JPS52124828A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539967A (en) * 1978-09-12 1980-03-21 Nec Corp Channel automatic switching device
JPS60144851A (en) * 1983-12-30 1985-07-31 Fujitsu Ltd Channel controller
JPH01211043A (en) * 1988-02-18 1989-08-24 Nec Corp Data transfer equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4868146A (en) * 1971-12-20 1973-09-17
JPS5099649A (en) * 1973-12-29 1975-08-07
JPS50142130A (en) * 1974-05-04 1975-11-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4868146A (en) * 1971-12-20 1973-09-17
JPS5099649A (en) * 1973-12-29 1975-08-07
JPS50142130A (en) * 1974-05-04 1975-11-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539967A (en) * 1978-09-12 1980-03-21 Nec Corp Channel automatic switching device
JPS60144851A (en) * 1983-12-30 1985-07-31 Fujitsu Ltd Channel controller
JPH01211043A (en) * 1988-02-18 1989-08-24 Nec Corp Data transfer equipment

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