JPS5328345A - Extending device for input/output port - Google Patents

Extending device for input/output port

Info

Publication number
JPS5328345A
JPS5328345A JP10257376A JP10257376A JPS5328345A JP S5328345 A JPS5328345 A JP S5328345A JP 10257376 A JP10257376 A JP 10257376A JP 10257376 A JP10257376 A JP 10257376A JP S5328345 A JPS5328345 A JP S5328345A
Authority
JP
Japan
Prior art keywords
input
output port
extending device
output unit
trouble
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
JP10257376A
Other languages
Japanese (ja)
Inventor
Toshio Ishikawa
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 JP10257376A priority Critical patent/JPS5328345A/en
Publication of JPS5328345A publication Critical patent/JPS5328345A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To minimize the increase of hardware even in case the number of the input/output unit connected to one input/output port increases, and thus to facilitate an easy diagnosis for the trouble of the input/output unit.
COPYRIGHT: (C)1978,JPO&Japio
JP10257376A 1976-08-30 1976-08-30 Extending device for input/output port Pending JPS5328345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10257376A JPS5328345A (en) 1976-08-30 1976-08-30 Extending device for input/output port

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10257376A JPS5328345A (en) 1976-08-30 1976-08-30 Extending device for input/output port

Publications (1)

Publication Number Publication Date
JPS5328345A true JPS5328345A (en) 1978-03-16

Family

ID=14330959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10257376A Pending JPS5328345A (en) 1976-08-30 1976-08-30 Extending device for input/output port

Country Status (1)

Country Link
JP (1) JPS5328345A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825301A (en) * 1981-08-06 1983-02-15 Daicel Chem Ind Ltd Production of cellulose sulfate
JPS60117359A (en) * 1983-11-30 1985-06-24 Toshiba Corp Multiplex input and output processor
JPS61294569A (en) * 1985-06-24 1986-12-25 Nec Corp Interface control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825301A (en) * 1981-08-06 1983-02-15 Daicel Chem Ind Ltd Production of cellulose sulfate
JPS60117359A (en) * 1983-11-30 1985-06-24 Toshiba Corp Multiplex input and output processor
JPH0554142B2 (en) * 1983-11-30 1993-08-11 Tokyo Shibaura Electric Co
JPS61294569A (en) * 1985-06-24 1986-12-25 Nec Corp Interface control system

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