KR970047900U - Subscriber circuit pack for all electronic exchanges - Google Patents

Subscriber circuit pack for all electronic exchanges

Info

Publication number
KR970047900U
KR970047900U KR2019950050489U KR19950050489U KR970047900U KR 970047900 U KR970047900 U KR 970047900U KR 2019950050489 U KR2019950050489 U KR 2019950050489U KR 19950050489 U KR19950050489 U KR 19950050489U KR 970047900 U KR970047900 U KR 970047900U
Authority
KR
South Korea
Prior art keywords
subscriber circuit
circuit pack
electronic exchanges
exchanges
electronic
Prior art date
Application number
KR2019950050489U
Other languages
Korean (ko)
Other versions
KR200164529Y1 (en
Inventor
이윤식
Original Assignee
엘지정보통신주식회사
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 엘지정보통신주식회사 filed Critical 엘지정보통신주식회사
Priority to KR2019950050489U priority Critical patent/KR200164529Y1/en
Publication of KR970047900U publication Critical patent/KR970047900U/en
Application granted granted Critical
Publication of KR200164529Y1 publication Critical patent/KR200164529Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/80—Electronic components, circuits, software, systems or apparatus used in telephone systems line protection circuits such as current or overvoltage protection circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/034—Codec; PCM compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
KR2019950050489U 1995-12-28 1995-12-28 Subscriber circuit for tdx KR200164529Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950050489U KR200164529Y1 (en) 1995-12-28 1995-12-28 Subscriber circuit for tdx

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950050489U KR200164529Y1 (en) 1995-12-28 1995-12-28 Subscriber circuit for tdx

Publications (2)

Publication Number Publication Date
KR970047900U true KR970047900U (en) 1997-07-31
KR200164529Y1 KR200164529Y1 (en) 2000-01-15

Family

ID=19440464

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950050489U KR200164529Y1 (en) 1995-12-28 1995-12-28 Subscriber circuit for tdx

Country Status (1)

Country Link
KR (1) KR200164529Y1 (en)

Also Published As

Publication number Publication date
KR200164529Y1 (en) 2000-01-15

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20050929

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee