KR930024528U - 톤 신호를 이용한 교환기의 고장상태 검출회로 - Google Patents

톤 신호를 이용한 교환기의 고장상태 검출회로

Info

Publication number
KR930024528U
KR930024528U KR2019920006906U KR920006906U KR930024528U KR 930024528 U KR930024528 U KR 930024528U KR 2019920006906 U KR2019920006906 U KR 2019920006906U KR 920006906 U KR920006906 U KR 920006906U KR 930024528 U KR930024528 U KR 930024528U
Authority
KR
South Korea
Prior art keywords
exchange
detection circuit
fault detection
tone signal
tone
Prior art date
Application number
KR2019920006906U
Other languages
English (en)
Other versions
KR970001294Y1 (ko
Inventor
박영현
이승우
Original Assignee
금성정보통신 주식회사
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 금성정보통신 주식회사 filed Critical 금성정보통신 주식회사
Priority to KR92006906U priority Critical patent/KR970001294Y1/ko
Publication of KR930024528U publication Critical patent/KR930024528U/ko
Application granted granted Critical
Publication of KR970001294Y1 publication Critical patent/KR970001294Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/05—Aspects of automatic or semi-automatic exchanges related to OAM&P

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
KR92006906U 1992-04-24 1992-04-24 톤 신호를 이용한 교환기의 고장상태 검출회로 KR970001294Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92006906U KR970001294Y1 (ko) 1992-04-24 1992-04-24 톤 신호를 이용한 교환기의 고장상태 검출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92006906U KR970001294Y1 (ko) 1992-04-24 1992-04-24 톤 신호를 이용한 교환기의 고장상태 검출회로

Publications (2)

Publication Number Publication Date
KR930024528U true KR930024528U (ko) 1993-11-27
KR970001294Y1 KR970001294Y1 (ko) 1997-02-22

Family

ID=19332229

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92006906U KR970001294Y1 (ko) 1992-04-24 1992-04-24 톤 신호를 이용한 교환기의 고장상태 검출회로

Country Status (1)

Country Link
KR (1) KR970001294Y1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100303983B1 (ko) * 1999-08-28 2001-11-01 서평원 장애보고용 링을 이용한 교환 시스템의 장애 처리 장치 및 방법
KR100362871B1 (ko) * 1995-12-29 2003-02-07 삼성탈레스 주식회사 디지털 시험치구를 이용한 자동 시험장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100362871B1 (ko) * 1995-12-29 2003-02-07 삼성탈레스 주식회사 디지털 시험치구를 이용한 자동 시험장치
KR100303983B1 (ko) * 1999-08-28 2001-11-01 서평원 장애보고용 링을 이용한 교환 시스템의 장애 처리 장치 및 방법

Also Published As

Publication number Publication date
KR970001294Y1 (ko) 1997-02-22

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REGI Registration of establishment
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