KR940017597A - Private automatic premises exchange system - Google Patents

Private automatic premises exchange system Download PDF

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Publication number
KR940017597A
KR940017597A KR1019920027362A KR920027362A KR940017597A KR 940017597 A KR940017597 A KR 940017597A KR 1019920027362 A KR1019920027362 A KR 1019920027362A KR 920027362 A KR920027362 A KR 920027362A KR 940017597 A KR940017597 A KR 940017597A
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KR
South Korea
Prior art keywords
card
cpu
line
interface circuit
vme bus
Prior art date
Application number
KR1019920027362A
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Korean (ko)
Inventor
윤태열
Original Assignee
김주용
현대전자산업 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.)
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Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019920027362A priority Critical patent/KR940017597A/en
Publication of KR940017597A publication Critical patent/KR940017597A/en

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Abstract

본 발명은 전전자식 사설 자동 구내 교환 시스템(PABX)에 관한 것으로, 16비트 마이크로 프로세서를 중앙제어 장치로 사용하고 각 라인 카드별로 별도의 프로세서를 내장하여 전체 시스템을 구성하였으므로 시스템 전체가 일시에 다운되는 일 이 없는 신뢰성이 향상된 시스템 구현이 가능하며 각 라인 카드를 증감시킴에 따라 시스템 전체 용량을 자유자재로 조절이 가능한 효과가 있다.The present invention relates to an all-electronic private automatic premises exchange system (PABX), which uses a 16-bit microprocessor as a central control unit and incorporates a separate processor for each line card so that the entire system is temporarily down. It is possible to implement the system with improved reliability without any problem, and by increasing or decreasing each line card, the entire system capacity can be freely adjusted.

Description

사설 자동 구내 교환 시스템Private automatic premises exchange system

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

제1도는 본 발명에 따른 공통 카드 그룹 블럭 구성도, 제2도는 본 발명인 접속카드 그룹 블럭 구성도.1 is a block diagram of a common card group block according to the present invention, and FIG. 2 is a block diagram of a connection card group block according to the present invention.

Claims (1)

입출력 포트(I/O)로 상호 연결되며 VME버스로 송수신 되는 CPU(1,2), 상기 CPU(1,2)에 VME버스로, 연결되는 SWC(3,4), 상기 CPU(1,2)와 SWC(3,4)에 VME버스로 연결되어 접속되어 있는 각 카드와 자체에 필요한 신호를 생성하기 위한 LGC(5)를 구비한 공통카드 그룹과, 상기 LGC(5)에 폴링 시리얼 인터페이스로 연결되어 다이얼 펄스(DP), DTMF(Dual Tone Multi Frequwncy)식의 일반 전화기와 시스템을 접속시켜 가입자에게 여러가지 서비스를 제공하는 SLC(Subscriber Line Interface Circuit)(21), 가입자 접속부와 콘트롤부로 구성되어 외부 국선으로 부터의 착신 상태를 감시하고 내선 가입자가 외부로 발호를 요청시 해당 다이얼 펄스를 송출시켜 통화를 가능하게 하는 COT(Control Office Trunk Circuit)(22), 시스템 상호간 또는 다른 교환기에 연결되어 교환망을 구성시 이들 기종간에 통신을 원활히 하기 위해 사용되는 TER(Tie Line E&B+R&D Interface Circuit)(23), 시스템 상호간 또는 다른 교환기와 연결하여 교환망을 구성시 이들 기종간에 통신을 원활히 하기 위해 사용되는 TLD(Tie Loop Dialing Interface Circuit)(24), DTMF 전화기 가입자가 보내오는 DTMF신호를 받아서 이를 분석하여 4비트 바이너리 코드로 변환시킨 후 메인 CPU에 보고하는 기능을 하는 DMR(Dual Tone Multi Frequency Receiver)(25), 교환기에 연결되는 여러 단말기들 중 전용 단말기와 연결하기 위한 FPC(Feature Phone Interface Card)(26), 음성 합성 방식의 한 구현으로써 카드내에 실장된 기억 소자에 사용자의 음성 메시지, 또는 안내 메시지 등을 기억시켜 음질의 변화없이 필요시에 가입자에게 전달하는 VMC(Voice Message Card)(27), 시스템을 특정한 전화 라인과 접속시켜 발신 모드를 배제하고 수신 전용 모드에서만 동작하도록 한 DID(Direct Inward Dialing Interface Circuit)(28), 시스템에 연결되는 여러가지 단말기 중 디지탈 전화기를 시스템과 접속시켜주는 DPC(Digital Phone Card)(29),시스템에 연결되는 여러가지 단말기중 디지탈 전화기를 시스템과 접속시켜주는 DPCM(Digital Phone Card M)(30), 및 상기 DID 라인으로 국설 교환기에서 보내오는 R2신호를 받아서 분석한 후 CPU에 보과는 R2MFC(R2 Multi Frequency Receiver) (31)를 구비하는 접속 카드 그룹을 구비하는 사설 자동 구내 교환 시스템.CPU (1,2) interconnected via input / output port (I / O) and transmitted / received via VME bus, SWC (3,4) connected to CPU (1,2) by VME bus, CPU (1,2) ) And a common card group having an LGC (5) for generating signals required for each card connected to and connected to the VME bus by the VME bus, and a polling serial interface to the LGC (5). It is composed of Subscriber Line Interface Circuit (SLC) 21, which provides various services to subscribers by connecting dial pulses (DP), dual tone multi frequency (DTMF) type general telephones and systems, Control Office Trunk Circuit (COT) (22), which monitors incoming status from CO line and makes call by sending corresponding dial pulse when extension subscriber requests outside call, is connected to system or other exchange Facilitate communication between these devices during configuration TIE (Tie Line E & B + R & D Interface Circuit) (23), TLD (Tie Loop Dialing Interface Circuit) (24) which is used to connect communication between systems or other exchanges, and to facilitate communication between these models when constructing switching network. DMF (Dual Tone Multi Frequency Receiver) (25) function to receive DTMF signal from DTMF telephone subscriber, analyze it, convert it into 4-bit binary code, and report it to main CPU. A feature phone interface card (FPC) 26 for connecting to a dedicated terminal and a voice synthesis method is implemented so that a user's voice message or a guidance message is stored in a memory element mounted in the card, without changing the sound quality. Voice Message Card (VMC) 27 delivered to subscribers, which connects the system to a specific telephone line, excluding outgoing mode and operating only in receive-only mode. ID (Direct Inward Dialing Interface Circuit) (28), DPC (Digital Phone Card) (29) which connects the digital telephone among the various terminals connected to the system, and digital telephone among the various terminals connected to the system A connection card group having a digital phone card M (DPCM) 30 and an R2 Multi Frequency Receiver (R2MFC) 31 which is sent to the CPU after receiving and analyzing an R2 signal from a local exchange with the DID line. Private automatic premises exchange system having a. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920027362A 1992-12-31 1992-12-31 Private automatic premises exchange system KR940017597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920027362A KR940017597A (en) 1992-12-31 1992-12-31 Private automatic premises exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920027362A KR940017597A (en) 1992-12-31 1992-12-31 Private automatic premises exchange system

Publications (1)

Publication Number Publication Date
KR940017597A true KR940017597A (en) 1994-07-27

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Application Number Title Priority Date Filing Date
KR1019920027362A KR940017597A (en) 1992-12-31 1992-12-31 Private automatic premises exchange system

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Country Link
KR (1) KR940017597A (en)

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