JPS60213159A - 回線障害監視装置 - Google Patents

回線障害監視装置

Info

Publication number
JPS60213159A
JPS60213159A JP6974684A JP6974684A JPS60213159A JP S60213159 A JPS60213159 A JP S60213159A JP 6974684 A JP6974684 A JP 6974684A JP 6974684 A JP6974684 A JP 6974684A JP S60213159 A JPS60213159 A JP S60213159A
Authority
JP
Japan
Prior art keywords
circuit
control signal
abnormal
state
line
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.)
Granted
Application number
JP6974684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0260109B2 (enExample
Inventor
Hideyasu Hashiba
橋場　秀逸
Takao Oshima
大島　隆雄
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 JP6974684A priority Critical patent/JPS60213159A/ja
Publication of JPS60213159A publication Critical patent/JPS60213159A/ja
Publication of JPH0260109B2 publication Critical patent/JPH0260109B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP6974684A 1984-04-06 1984-04-06 回線障害監視装置 Granted JPS60213159A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6974684A JPS60213159A (ja) 1984-04-06 1984-04-06 回線障害監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6974684A JPS60213159A (ja) 1984-04-06 1984-04-06 回線障害監視装置

Publications (2)

Publication Number Publication Date
JPS60213159A true JPS60213159A (ja) 1985-10-25
JPH0260109B2 JPH0260109B2 (enExample) 1990-12-14

Family

ID=13411670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6974684A Granted JPS60213159A (ja) 1984-04-06 1984-04-06 回線障害監視装置

Country Status (1)

Country Link
JP (1) JPS60213159A (enExample)

Also Published As

Publication number Publication date
JPH0260109B2 (enExample) 1990-12-14

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term