KR900013753A - Subscriber Loop Expansion Circuit at Switch - Google Patents

Subscriber Loop Expansion Circuit at Switch Download PDF

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Publication number
KR900013753A
KR900013753A KR1019890002477A KR890002477A KR900013753A KR 900013753 A KR900013753 A KR 900013753A KR 1019890002477 A KR1019890002477 A KR 1019890002477A KR 890002477 A KR890002477 A KR 890002477A KR 900013753 A KR900013753 A KR 900013753A
Authority
KR
South Korea
Prior art keywords
relay
subscriber
circuit
ring
voice
Prior art date
Application number
KR1019890002477A
Other languages
Korean (ko)
Other versions
KR910006054B1 (en
Inventor
심재권
Original Assignee
강진구
삼성전자 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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890002477A priority Critical patent/KR910006054B1/en
Publication of KR900013753A publication Critical patent/KR900013753A/en
Application granted granted Critical
Publication of KR910006054B1 publication Critical patent/KR910006054B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

내용 없음No content

Description

교환기에서의 가입자 루우프 확장회로Subscriber Loop Expansion Circuit at Switch

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 블록도.2 is a block diagram according to the present invention.

제3도는 본 발명에 따른 제2도의 구체회로도.3 is a detailed circuit diagram of FIG. 2 in accordance with the present invention.

Claims (4)

교환기(1)와 교환기(1)의 가입자회로로부터 루우프를 확장하는 회로에 있어서, 제1, 2 음성라인(a,b)에 브리지 및 링 중계 계전기가 접속되어 입력되는 링 신호를 직류로 변환하여 릴레이 구동으로 링소스를 가입자 측으로 전달하도록 제어하는 링 중계회로(30)와 음성용 트랜스포머로 구성되어 가입자 측과 교환기 측을 매칭시키는 트랜스포머(50)와, 복수의 릴레이로 구성되어 원거리의 전송전력을 공급하고 가입자의 후크 온/오프상태가 상기 릴레이에 의해 감시되어 교환 측과의 신호를 전달하도록 제어하는 감시계선기960)와, 상기 감시계전기(60)의 감지에 따라 가입자 측으로 -48V를 인가하고 루우프확장부로 ±48V를 공급하는 공급부(70)와, 교환기 측의 라인테스트시 라인(h)을 통해 입력되는 신호에 의해 루우프 확장에 따른 통로를 거치지 않고 직접 교환기와 가입자간 음성라인(a,b)이 연결되도록 제어하는 바이패스 제어부(20)와, 상기 바이패스 제어부(20)의 제어에 따라 렐레이가 구동되어 교환기와가입자간 음성 라인(a,b)을 직접 스위칭하는 바이패스 계전기(10)로 구성됨을 특징으로 하는 교환기에서의 가입자 루우프 확장회로.In a circuit for extending a loop from the subscriber circuit of the switch 1 and the switch 1, a bridge and a ring relay are connected to the first and second voice lines a and b to convert an input ring signal into a direct current. It is composed of a ring relay circuit 30 for controlling the ring source to be delivered to the subscriber side by relay driving, a transformer for voice, and a transformer 50 for matching the subscriber side and the exchange side, and a plurality of relays to transmit the remote transmission power. A monitoring relay 960 for supplying and controlling the hook on / off state of the subscriber to be monitored by the relay and transmitting a signal to the switching side, and -48V is applied to the subscriber side according to the detection of the monitoring relay 60; Supply part 70 supplying ± 48V to the loop expansion part, and a signal input through the line h during the line test of the exchanger, and directly exchanged without passing the passage along the loop expansion. Bypass control unit 20 for controlling the voice line (a, b) between the subscriber and the subscriber, and the relay is driven under the control of the bypass control unit 20, the voice line between the exchange and the subscriber (a, b) Subscriber loop expansion circuit in the exchange, characterized in that consisting of a bypass relay (10) for switching directly. 제1항에 있어서, 링 중계회로(30)가 링 신호를 직류로 정류하는 브리지 회로와, 상기 브리지 회로의 출력에 따라 구동되어 음성 라인을 개폐하는 링 중계 계전기로 구성됨을 특징으로 하는 교환기에서의 가입자 루우프 확장회로.2. The switch relay as claimed in claim 1, wherein the ring relay circuit 30 comprises a bridge circuit for rectifying a ring signal to a direct current and a ring relay relay driven according to an output of the bridge circuit to open and close a voice line. Subscriber loop expansion circuit. 제1항에 있어서, 감시계전기(60)가 상기 릴레이(Ry3)의 일단은 상기 음성용 트랜스포머(50)의 2차에 접속되고, 상기 릴레이(Ry3)의 타단에 전원단(Vcc, -Vcc)에 각각 연결되도록 구성됨을 특징으로 하는 교환기에서의 가입자 루우프 확장회로.2. The power supply terminal (Vcc, -Vcc) of claim 1, wherein the monitoring relay (60) is connected to one end of the relay (Ry3) to the secondary of the voice transformer (50) and the other end of the relay (Ry3). Subscriber loop at the exchange characterized in that it is configured to be connected to each other. 제3항에 있어서, 릴레이(Ry3)가 가입자 전환기(2)의 후크 온/오프 상태를 검출하도록 구성됨을 특징으로 하는 교환기에서의 가입자 루우프 확장회로.4. The subscriber loop expansion circuit as claimed in claim 3, wherein the relay Ry3 is configured to detect a hook on / off state of the subscriber switcher (2). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890002477A 1989-02-28 1989-02-28 Subscribers loop extention circuit KR910006054B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890002477A KR910006054B1 (en) 1989-02-28 1989-02-28 Subscribers loop extention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890002477A KR910006054B1 (en) 1989-02-28 1989-02-28 Subscribers loop extention circuit

Publications (2)

Publication Number Publication Date
KR900013753A true KR900013753A (en) 1990-09-06
KR910006054B1 KR910006054B1 (en) 1991-08-12

Family

ID=19284163

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002477A KR910006054B1 (en) 1989-02-28 1989-02-28 Subscribers loop extention circuit

Country Status (1)

Country Link
KR (1) KR910006054B1 (en)

Also Published As

Publication number Publication date
KR910006054B1 (en) 1991-08-12

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