JPS5366108A - Trouble supervisory system of switch matrix device - Google Patents

Trouble supervisory system of switch matrix device

Info

Publication number
JPS5366108A
JPS5366108A JP14131476A JP14131476A JPS5366108A JP S5366108 A JPS5366108 A JP S5366108A JP 14131476 A JP14131476 A JP 14131476A JP 14131476 A JP14131476 A JP 14131476A JP S5366108 A JPS5366108 A JP S5366108A
Authority
JP
Japan
Prior art keywords
switch matrix
supervisory system
matrix device
trouble
trouble supervisory
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
JP14131476A
Other languages
Japanese (ja)
Inventor
Hideo Tomita
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 JP14131476A priority Critical patent/JPS5366108A/en
Publication of JPS5366108A publication Critical patent/JPS5366108A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22—Automatic arrangements
    • H04Q1/24—Automatic arrangements for connection devices

Abstract

PURPOSE:To make it possible to discriminate whether a trouble is occurring in a switch driving circuit or a switch matrix circuit by constituting a current detection circuit connected in parallel to the switch matrix circuit.
JP14131476A 1976-11-26 1976-11-26 Trouble supervisory system of switch matrix device Pending JPS5366108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14131476A JPS5366108A (en) 1976-11-26 1976-11-26 Trouble supervisory system of switch matrix device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14131476A JPS5366108A (en) 1976-11-26 1976-11-26 Trouble supervisory system of switch matrix device

Publications (1)

Publication Number Publication Date
JPS5366108A true JPS5366108A (en) 1978-06-13

Family

ID=15289009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14131476A Pending JPS5366108A (en) 1976-11-26 1976-11-26 Trouble supervisory system of switch matrix device

Country Status (1)

Country Link
JP (1) JPS5366108A (en)

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