KR930022792A - Line number expansion circuit by serial-only method of key phone system - Google Patents

Line number expansion circuit by serial-only method of key phone system Download PDF

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Publication number
KR930022792A
KR930022792A KR1019920006724A KR920006724A KR930022792A KR 930022792 A KR930022792 A KR 930022792A KR 1019920006724 A KR1019920006724 A KR 1019920006724A KR 920006724 A KR920006724 A KR 920006724A KR 930022792 A KR930022792 A KR 930022792A
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KR
South Korea
Prior art keywords
circuit
modules
data
control
signal
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KR1019920006724A
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Korean (ko)
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KR950003325B1 (en
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정창래
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정용문
삼성전자 주식회사
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Priority to KR1019920006724A priority Critical patent/KR950003325B1/en
Publication of KR930022792A publication Critical patent/KR930022792A/en
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Publication of KR950003325B1 publication Critical patent/KR950003325B1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

키폰 시스템의 주제어부로부터 모듈 1~n간 시그날링 데이타를 직렬로 전송하기 위한 회선수 확장회로에 있어서, 상기 타임스위치를 내장한 주제어부로 부터 콘트롤 데이타를 전송하기 위한 콘트롤, 어드레스, 데이타버스와 연결되고 상기 타임스위치로 부터 프레임 동기신호, 클럭, 송수신 하이웨이만을 연결하여 상기 주제어부에서 상기 모듈 1-n간 직렬로 특정 채널을 통해 시그날링 데이타를 전달하는 모듈 인터페이스 회로로 구성된다.A circuit number extension circuit for serially transmitting signaling data between main controllers of a key-phone system and modules 1 to n, wherein the controller is connected to a control, address, and data bus for transmitting control data from the main controller including the time switch. And a module interface circuit which connects only a frame synchronizing signal, a clock, and a transmission highway from the time switch, and transmits signaling data through a specific channel in series between the modules 1-n in the main controller.

Description

키폰시스템의 직렬전용 방식에 의한 회선수 확장회로Line number expansion circuit by serial-only method of key phone system

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

제2도는 본 발명에 따른 블럭도, 제3도는 제2도의 모듈 인터페이스부(204)의 구체 회로도, 제4도는 제2도의 모듈 1~n의 구체 회로도.2 is a block diagram according to the present invention, FIG. 3 is a concrete circuit diagram of the module interface unit 204 of FIG. 2, and FIG. 4 is a concrete circuit diagram of modules 1 to n of FIG.

Claims (4)

키폰 시스템의 주제어부로부터 모듈 1~n간 시그날링 데이타를 직렬로 전송하기 위한 회선수 확장회로에 있어서, 상기 타임스위치를 내장한 주제어부로 부터 콘트롤 데이타를 전송하기 위한 콘트롤, 어드레스, 데이타버스와 연결되고 상기 타임스위치로 부터 프레임 동기신호, 클럭, 송수신 하이웨이만을 연결하여 상기 주제어부에서 상기 모듈 1-n간 직렬로 특정 채널을 통해 시그날링 데이타를 전달하는 모듈 인터페이스 회로로 구성됨을 특징으로 하는 키폰 시스템의 직렬전용 방식에 의한 회선수 확장회로.A circuit number extension circuit for serially transmitting signaling data between main controllers of a key-phone system and modules 1 to n, wherein the controller is connected to a control, address, and data bus for transmitting control data from the main controller including the time switch. And a module interface circuit configured to connect only a frame synchronization signal, a clock, and a transmit / receive highway from the time switch to transmit signaling data through a specific channel in series between the modules 1-n in the main controller. Line number expansion circuit by a serial-only system. 제1항에 있어서, 모듈 인터페이스회로가 상기 주제어부와 상기 모듈 1~n간 콘트롤 데이타를 전송토록 제어하는 시그날 프로세서와, 상기 시그날 프로세서의 제어에 의해 상기 모듈 1~n로의 콘트롤 데이타를 특정 채널을 통해 전송토록 제어하는 시그날링 데이타 입출력 회로와, 상기 주제어부 및 타임스위치로 부터 프레임 동기신호(FSX), 클럭단(CLK), 송수신 하이웨이단(HWX,HWR)이 연결되어 이로부터 상기 시그날 데이타 입출력회로에 프레임 동기 및 클럭신호와 B 및 D 채널데이타를 제공하고 상기 시그날 데이타 입출력 회로부터 B 및 D 채널데이타를 받아 송수신 하는 직렬 전송 트랜시버/리시버 회로로 구성됨을 특징으로 하는 키폰 시스템의 직렬전용 방식에 의한 회선수 확장회로.The signal processor of claim 1, wherein a module interface circuit controls a control channel to transmit control data between the main controller and the modules 1 to n, and a control channel for controlling the control data to the modules 1 to n under control of the signal processor. Signaling data input and output circuit for controlling transmission through the main control unit and the time switch, the frame synchronization signal (FSX), clock terminal (CLK), transmit and receive highway (HWX, HWR) is connected to the signal data input and output therefrom A serial transmission transceiver / receiver circuit for providing frame synchronization and clock signals and B and D channel data to a circuit, and receiving and transmitting B and D channel data from the signal data input / output circuit. Circuit number expansion circuit. 제2항에 있어서, 모듈 1-n의 확장에 있어서 버스에 포트 확장용 메모리를 더 추가함을 특징으로 하는 키폰 시스템의 직렬전용 방식에 의한 회선수 확장회로.3. The circuit number expansion circuit according to claim 2, wherein the memory for port expansion is further added to the bus in the expansion of the module 1-n. 제3항에 있어서, 직렬 전송 트랜시버/리시버회로가 모듈 1~n을 연결하는 콘넥터(CE)에 상기 타임스위치로부터 프레임 동기신호와 클럭신호를 받도록 3-스테이트버퍼(ST1,ST2)의 출력단을 연결하고, 상기 모듈 1~n으로부터 타임스위치간 송수신 하이웨이(HWX,HWR)를 3-스테이트버퍼를 통해 연결되도록 구성됨을 특징으로 하는 키폰 시스템의 직렬전용 방식에 의한 회선수 확장회로.4. The output terminal of the three-state buffers ST1 and ST2 according to claim 3, wherein the serial transmission transceiver / receiver circuit receives a frame synchronizing signal and a clock signal from the time switch to a connector CE for connecting modules 1 to n. And connecting the transmission / reception highways (HWX, HWR) between the time switches from the modules 1 to n through a 3-state buffer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920006724A 1992-04-22 1992-04-22 Extention circuit of the number of lines KR950003325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920006724A KR950003325B1 (en) 1992-04-22 1992-04-22 Extention circuit of the number of lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920006724A KR950003325B1 (en) 1992-04-22 1992-04-22 Extention circuit of the number of lines

Publications (2)

Publication Number Publication Date
KR930022792A true KR930022792A (en) 1993-11-24
KR950003325B1 KR950003325B1 (en) 1995-04-10

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KR1019920006724A KR950003325B1 (en) 1992-04-22 1992-04-22 Extention circuit of the number of lines

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860194B1 (en) * 2001-12-24 2008-09-24 엘지노텔 주식회사 System and Method for Expanding Highway of Keyphone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860194B1 (en) * 2001-12-24 2008-09-24 엘지노텔 주식회사 System and Method for Expanding Highway of Keyphone system

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Publication number Publication date
KR950003325B1 (en) 1995-04-10

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