JPS5779744A - Connection system for input and output controller - Google Patents

Connection system for input and output controller

Info

Publication number
JPS5779744A
JPS5779744A JP55154836A JP15483680A JPS5779744A JP S5779744 A JPS5779744 A JP S5779744A JP 55154836 A JP55154836 A JP 55154836A JP 15483680 A JP15483680 A JP 15483680A JP S5779744 A JPS5779744 A JP S5779744A
Authority
JP
Japan
Prior art keywords
input
output device
termination circuit
master station
connection system
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
JP55154836A
Other languages
Japanese (ja)
Inventor
Hosaku Nakamura
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 JP55154836A priority Critical patent/JPS5779744A/en
Publication of JPS5779744A publication Critical patent/JPS5779744A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks

Abstract

PURPOSE:To easily extend input and output devices, by removing a termination circuit from an input and output device at the end and providing the termination circuit in a master station. CONSTITUTION:A transmission line 70 is provided between a master station 50 and the 1st input/output device 60 and input and output devices 61-63 are connected with transmission lines 71-73. No termination circuit is provided in the input/output device 60 at the end different from conventional examples, and the termination circuit is provided in the said master station. The same termination function can be obtained by connecting the device 63 and the terminal station in the master station 50 with a line 74. With this constitution, when a input/ output device is extended on and after the input/output device 63 at the end, it is not necessary to move the termination circuit as conventional cases, allowing to make easy the extension work.
JP55154836A 1980-11-04 1980-11-04 Connection system for input and output controller Pending JPS5779744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55154836A JPS5779744A (en) 1980-11-04 1980-11-04 Connection system for input and output controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55154836A JPS5779744A (en) 1980-11-04 1980-11-04 Connection system for input and output controller

Publications (1)

Publication Number Publication Date
JPS5779744A true JPS5779744A (en) 1982-05-19

Family

ID=15592936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55154836A Pending JPS5779744A (en) 1980-11-04 1980-11-04 Connection system for input and output controller

Country Status (1)

Country Link
JP (1) JPS5779744A (en)

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