KR940018296U - Return Loss Measurement Circuit in Internal Line Test Equipment of Digital Exchange System - Google Patents

Return Loss Measurement Circuit in Internal Line Test Equipment of Digital Exchange System

Info

Publication number
KR940018296U
KR940018296U KR2019920024064U KR920024064U KR940018296U KR 940018296 U KR940018296 U KR 940018296U KR 2019920024064 U KR2019920024064 U KR 2019920024064U KR 920024064 U KR920024064 U KR 920024064U KR 940018296 U KR940018296 U KR 940018296U
Authority
KR
South Korea
Prior art keywords
test equipment
exchange system
measurement circuit
return loss
line test
Prior art date
Application number
KR2019920024064U
Other languages
Korean (ko)
Other versions
KR950005923Y1 (en
Inventor
황용길
Original Assignee
엘지정보통신 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 엘지정보통신 주식회사 filed Critical 엘지정보통신 주식회사
Priority to KR92024064U priority Critical patent/KR950005923Y1/en
Publication of KR940018296U publication Critical patent/KR940018296U/en
Application granted granted Critical
Publication of KR950005923Y1 publication Critical patent/KR950005923Y1/en

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
    • 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
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
KR92024064U 1992-12-01 1992-12-01 Internal line testing device for a digital exchanger KR950005923Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92024064U KR950005923Y1 (en) 1992-12-01 1992-12-01 Internal line testing device for a digital exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92024064U KR950005923Y1 (en) 1992-12-01 1992-12-01 Internal line testing device for a digital exchanger

Publications (2)

Publication Number Publication Date
KR940018296U true KR940018296U (en) 1994-07-30
KR950005923Y1 KR950005923Y1 (en) 1995-07-26

Family

ID=19345357

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92024064U KR950005923Y1 (en) 1992-12-01 1992-12-01 Internal line testing device for a digital exchanger

Country Status (1)

Country Link
KR (1) KR950005923Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100396517B1 (en) * 2001-01-16 2003-09-03 삼성전자주식회사 Method for testing subscriber line by use of dtmf signal in pabx

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100396517B1 (en) * 2001-01-16 2003-09-03 삼성전자주식회사 Method for testing subscriber line by use of dtmf signal in pabx

Also Published As

Publication number Publication date
KR950005923Y1 (en) 1995-07-26

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Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee