JPS5899052A - ハイ・インピ−ダンスモニタ制御方式 - Google Patents

ハイ・インピ−ダンスモニタ制御方式

Info

Publication number
JPS5899052A
JPS5899052A JP19694981A JP19694981A JPS5899052A JP S5899052 A JPS5899052 A JP S5899052A JP 19694981 A JP19694981 A JP 19694981A JP 19694981 A JP19694981 A JP 19694981A JP S5899052 A JPS5899052 A JP S5899052A
Authority
JP
Japan
Prior art keywords
subscriber
test
trunk
line
ltta
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
JP19694981A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0119674B2 (enExample
Inventor
Naohiro Kimura
直弘 木村
Kunihiro Okamoto
岡本　國弘
Shoichi Abe
正一 阿部
Ayafumi Komatsu
小松　礼文
Yoshifumi Koda
幸田　吉文
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 JP19694981A priority Critical patent/JPS5899052A/ja
Publication of JPS5899052A publication Critical patent/JPS5899052A/ja
Publication of JPH0119674B2 publication Critical patent/JPH0119674B2/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
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP19694981A 1981-12-09 1981-12-09 ハイ・インピ−ダンスモニタ制御方式 Granted JPS5899052A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19694981A JPS5899052A (ja) 1981-12-09 1981-12-09 ハイ・インピ−ダンスモニタ制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19694981A JPS5899052A (ja) 1981-12-09 1981-12-09 ハイ・インピ−ダンスモニタ制御方式

Publications (2)

Publication Number Publication Date
JPS5899052A true JPS5899052A (ja) 1983-06-13
JPH0119674B2 JPH0119674B2 (enExample) 1989-04-12

Family

ID=16366333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19694981A Granted JPS5899052A (ja) 1981-12-09 1981-12-09 ハイ・インピ−ダンスモニタ制御方式

Country Status (1)

Country Link
JP (1) JPS5899052A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247359A (ja) * 1984-05-23 1985-12-07 Nec Corp 割込み回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247359A (ja) * 1984-05-23 1985-12-07 Nec Corp 割込み回路

Also Published As

Publication number Publication date
JPH0119674B2 (enExample) 1989-04-12

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