KR930024387A - Two-way dialing trunk interfacing circuit - Google Patents

Two-way dialing trunk interfacing circuit Download PDF

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Publication number
KR930024387A
KR930024387A KR1019920007883A KR920007883A KR930024387A KR 930024387 A KR930024387 A KR 930024387A KR 1019920007883 A KR1019920007883 A KR 1019920007883A KR 920007883 A KR920007883 A KR 920007883A KR 930024387 A KR930024387 A KR 930024387A
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KR
South Korea
Prior art keywords
signal
circuit
trunk
interfacing
detecting
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KR1019920007883A
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Korean (ko)
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KR950012585B1 (en
Inventor
민경화
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정용문
삼성전자 주식회사
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Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019920007883A priority Critical patent/KR950012585B1/en
Priority to DK199300531A priority patent/DK176293B1/en
Priority to DE4315243A priority patent/DE4315243B4/en
Priority to NL9300792A priority patent/NL194109C/en
Publication of KR930024387A publication Critical patent/KR930024387A/en
Application granted granted Critical
Publication of KR950012585B1 publication Critical patent/KR950012585B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • H04Q3/627—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)

Abstract

사설교환기의 DIOD트렁크회로에 있어서, 상기 DIOD트렁크회로를 제어하여 상기 DI0D트렁크 회로간 신호 및 데이타전송을 용이하도록 하고, 국선과 트랜스포머 (T1,T2)로 연결시켜 상기 국선과 연결되어 입력되는 하이임피던스 신호를 검출한다. 그리고 상기 트랜스포머(T1,T2)와 연결되어 고/저임피던스 송출이 선택되며, 상기 고/저임피던스 송출의 스위칭이 제어되고 상기 선택에 따라 로우/하이 임피던스 신호가 발생된다. 이에 따라 상기 통화로 수단과 연결되어 톤신호 검출/송출토록 되어 있다.In the DIOD trunk circuit of a private exchange, the DIOD trunk circuit is controlled to facilitate signal and data transmission between the DI0D trunk circuits, and is connected to a trunk line and a transformer (T1, T2) to be connected to the trunk line to provide high impedance. Detect the signal. In addition, the high / low impedance transmission is selected by being connected to the transformers T1 and T2, the switching of the high / low impedance transmission is controlled, and a low / high impedance signal is generated according to the selection. Accordingly, the tone signal is detected / transmitted in connection with the communication path means.

Description

양방향 다이얼링 트렁크 인터페이싱회로Two-way dialing trunk interfacing circuit

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

제3도는 본 발명에 따른 회로도, 제4도는 제3도의 DIOD신호/송출회로(101)의 구체 회로도.3 is a circuit diagram according to the present invention, and FIG. 4 is a specific circuit diagram of the DIOD signal / sending circuit 101 of FIG.

Claims (8)

사설교환기의 DIOD트렁크회로에 있어서, 상기 DIOD트렁크회로를 제어하기 위한 제어수단과, 상기 제어수단과 상기 DIOD트렁크 회로간 신호 및 데이타전송을 용이하도록 하는 인터페이싱수단과, 국선과 연결되는 트랜스포머(T1,T2)와, 상기 트랜스포머(T1,T2)와 연결되는 통화로 수단과, 상기 국선과 연결되어 입력되는 하이임피던스 신호를 검출하여 상기 인터페이싱 수단으로 제공하는 하이임피던스 검출수단과, 상기 트랜스포머(T1,T2)와 연결되어 고/저임피던스 송출 선택을 위한 스위치(SW1)와, 상기 스위치(SW1)의 스위칭을 제어하는 릴레이 드라이브회로(107)와, 상기 스위치(SW1)와 연결되어 로우/하이 임피던스 신호를 발생하는 고/저임피던스신호 발생수단과, 상기 통화로 수단과 연결되어 톤신호 검출/송출하는 톤신호 검출 및 송출수단으로 구성됨을 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.A DIOD trunk circuit of a private exchange, comprising: control means for controlling the DIOD trunk circuit, interfacing means for facilitating signal and data transmission between the control means and the DIOD trunk circuit, and a transformer (T1) T2), a communication path means connected to the transformers T1 and T2, a high impedance detection means for detecting a high impedance signal input and connected to the trunk line and providing the interfacing means to the interfacing means, and the transformers T1 and T2. Is connected to the switch SW1 for high / low impedance transmission selection, the relay drive circuit 107 for controlling the switching of the switch SW1, and the switch SW1 to generate a low / high impedance signal. A high / low impedance signal generating means and a tone signal detecting and transmitting means connected to the communication path means for detecting and transmitting a tone signal. Two-way dialing trunk interface circuit for a. 제1항에 있어서, 인테페이싱 수단이 상기 고/저신호 검출신호에 대한 데이타 및 톤신호 검출신호에 대응하는 데이타를 래치하는 래치수단과, 상기 릴레이 드라이브 회로를 제어하며 상기 DIOD트렁크 제어신호를 발생하는 제어회로(109)와, 상기 CPU(10)간 제어 데이타를 완충하는 버퍼회로(110)로 구성됨을 특징으로하는 양방향 다이얼링 트렁크 인터페이싱 회로.2. The apparatus of claim 1, wherein the interfacing means latches data for the high / low signal detection signal and data corresponding to the tone signal detection signal, and controls the relay drive circuit to generate the DIOD trunk control signal. And a control circuit (109), and a buffer circuit (110) for buffering control data between the CPU (10). 제1항에 있어서, 고임피던스 검출수단이 상기 국선측 팁-링단으로 부터 국선 반전상태를 검출하는 검출수단과, 상기 검출수단의 검출신호를 증폭하여 하이임피던스 신호로 변환하는 변환수단으로 구성됨을 특징으로하는 양방향 다이얼링 트렁크 인터페이싱 회로.The high impedance detecting means comprises: a detecting means for detecting a trunk line inversion state from the trunk line side tip-ring end, and a converting means for amplifying a detection signal of the detecting means and converting the detected signal into a high impedance signal. Bi-directional dialing trunk interfacing circuit. 제3항에 있어서, 상기 검출수단에 상기 검출신호의 출력레벨의 기준 전압을 발생하는 전원 공급수단을 더 추가함으로 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.4. The bidirectional dialing trunk interfacing circuit according to claim 3, further comprising a power supply means for generating a reference voltage of an output level of the detection signal to the detection means. 제3항에 있어서, 상기 변환수단에 상기 검출신호의 전달을 위한 포토카풀러를 더 추가함을 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.4. The bidirectional dialing trunk interfacing circuit according to claim 3, further comprising a photocoupler for transmitting the detection signal to the conversion means. 제1항에 있어서, 상기 트랜스포머(T1,T2)와 DIOD신호 검출/송출회로의 고/저임피던스 신호 송출수단의 사이에 의해 루우프상의 흐르는 전류를 제한하기 위한 전류 제한회로를 더 추가함을 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.A current limiting circuit for limiting the current flowing in the loop between the transformers T1 and T2 and the high / low impedance signal transmitting means of the DIOD signal detecting / sending circuit is further added. Two-way dialing trunk interfacing circuit. 제6항에 있어서, 전류제한회로가 전류의 흐름을 전달하는 포토카풀러 (PT1, PT2)와. 상기 포토카풀러(PT1, PT2)의 출력을 변환하여 역, 전 밧데리 신호로 발생하는 역, 전 밧데리 신호 발생수단으로 구성됨을 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.7. The photocapillar (PT1, PT2) according to claim 6, wherein the current limiting circuit carries a flow of current. Bidirectional dialing trunk interfacing circuit, characterized in that by converting the output of the photocoupler (PT1, PT2) by the reverse, all battery signal generation means for generating the reverse battery. 제7항에 있어서, 상기 역, 전 밧데리 신호 발생수단의 출력으로부터 보드 보호단의 출력에 의해 비지 신호를 발생하는 비지신호 발생수단을 더 구비함을 특징으로 하는 양방향 다이얼링 트렁크 인터페이싱 회로.8. The bidirectional dialing trunk interfacing circuit according to claim 7, further comprising a busy signal generating means for generating a busy signal by an output of a board protection stage from an output of the reverse and all battery signal generating means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920007883A 1992-05-09 1992-05-09 Direct inward outward dialing circuits KR950012585B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019920007883A KR950012585B1 (en) 1992-05-09 1992-05-09 Direct inward outward dialing circuits
DK199300531A DK176293B1 (en) 1992-05-09 1993-05-06 Through-selection circuit
DE4315243A DE4315243B4 (en) 1992-05-09 1993-05-07 Remote connection device
NL9300792A NL194109C (en) 1992-05-09 1993-05-10 Two-way link coupling chain for an electronic home telephone system.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920007883A KR950012585B1 (en) 1992-05-09 1992-05-09 Direct inward outward dialing circuits

Publications (2)

Publication Number Publication Date
KR930024387A true KR930024387A (en) 1993-12-22
KR950012585B1 KR950012585B1 (en) 1995-10-19

Family

ID=19332903

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920007883A KR950012585B1 (en) 1992-05-09 1992-05-09 Direct inward outward dialing circuits

Country Status (4)

Country Link
KR (1) KR950012585B1 (en)
DE (1) DE4315243B4 (en)
DK (1) DK176293B1 (en)
NL (1) NL194109C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755452A1 (en) * 1997-12-01 1999-06-02 Elmeg Gmbh & Co Kg Kommunikati Telecommunication installation with terminal for connection to public telephone network

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748396A (en) * 1971-04-14 1973-07-24 Itt Direct inward dialing trunk circuit
DE3306884A1 (en) * 1983-02-26 1984-08-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Signalling detector for telephone PBX systems with direct dialling-in
DE3328206A1 (en) * 1983-08-04 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for multi-frequency receiver with frequency analysis of continuously alternating frequencies, received without interruption, in telephone systems
DE3343646A1 (en) * 1983-12-02 1985-06-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING AC VOLTAGE SIGNALS ON OFF-LINE Veins
US4696028A (en) * 1984-03-26 1987-09-22 Dytel Corporation PBX Intercept and caller interactive attendant bypass system
US4955047A (en) * 1984-03-26 1990-09-04 Dytel Corporation Automated attendant with direct inward system access
CA1240088A (en) * 1985-11-20 1988-08-02 Mitel Corporation Solid state trunk circuit
US4914690A (en) * 1988-03-31 1990-04-03 Nicollet Technologies, Inc. Universal PBX interface
DE3822427C2 (en) * 1988-06-30 1997-06-05 Siemens Ag Current sensor for direct line extensions
FR2648662B1 (en) * 1989-06-19 1994-03-18 Alcatel Business Systems ANALOGUE NETWORK LINE JUNCTOR FOR PRIVATE TYPE TELEPHONE INSTALLATION

Also Published As

Publication number Publication date
DE4315243A1 (en) 1993-11-11
NL194109B (en) 2001-02-01
NL194109C (en) 2001-06-05
DK176293B1 (en) 2007-06-18
DK53193A (en) 1993-11-10
KR950012585B1 (en) 1995-10-19
DE4315243B4 (en) 2006-05-18
DK53193D0 (en) 1993-05-06
NL9300792A (en) 1993-12-01

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