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KR890001326A - Data communication circuit of simple switching device - Google Patents

Data communication circuit of simple switching device Download PDF

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Publication number
KR890001326A
KR890001326A KR1019870006692A KR870006692A KR890001326A KR 890001326 A KR890001326 A KR 890001326A KR 1019870006692 A KR1019870006692 A KR 1019870006692A KR 870006692 A KR870006692 A KR 870006692A KR 890001326 A KR890001326 A KR 890001326A
Authority
KR
South Korea
Prior art keywords
data communication
switching device
level digital
unit
simple switching
Prior art date
Application number
KR1019870006692A
Other languages
Korean (ko)
Other versions
KR900006964B1 (en
Inventor
임제상
Original Assignee
임종염 하인츠 디터 캐루트
금성통신 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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Publication date
Application filed by 임종염 하인츠 디터 캐루트, 금성통신 주식회사 filed Critical 임종염 하인츠 디터 캐루트
Priority to KR1019870006692A priority Critical patent/KR900006964B1/en
Publication of KR890001326A publication Critical patent/KR890001326A/en
Application granted granted Critical
Publication of KR900006964B1 publication Critical patent/KR900006964B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Bidirectional Digital Transmission (AREA)

Abstract

내용 없음No content

Description

간이 교환장치의 데이타 통신회로Data communication circuit of simple switching device

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

제1도는 본 발명에 따른 간이교환장치의 데이타 통신 회로도이다.1 is a data communication circuit diagram of the simplified switching apparatus according to the present invention.

제2도는 본 발명에 따른 회로내의 입출력 파형도이다.2 is an input / output waveform diagram in a circuit according to the present invention.

Claims (1)

데이타 통신을 제어하는 중앙처리장치(100)의 출력단(P1)(P2)에는 저항(R8)(R9)으로 구성되어 있으며, 2레벨의 디지틀 신호를 3레벨의 디지틀 신호로 변환시켜주는 발신부(200)가 연결되어 있고, 상기 중앙 처리장치(100)의 입력단(P3)(P4)에는 두개의 전압비교기(A1)(A2)로 3레벨의 디지틀 신호를 2레벨의 디지틀 신호로 변환시켜서 상기 입력단에 전달해 주는 수신부(300)가 연결되어 있으며, 이 수신부(300)에는 전압비교기(A1)(A2)에 기준전압을 공급해 주는 4개의 저항(R1)(R2)(R3)(R4)으로 구성된 기준전압 설정부(400)가 연결되어 있고, 상기한 발신부(200)의 출력단과 수신부(300)의 입력단에는 변압기로 구성된 전달부(500)가 연결되어서 구성된 것을 특징으로 하는 간이교환장치의 데이타 통신회로.The output terminals P1 and P2 of the central processing unit 100 for controlling data communication are composed of resistors R8 and R9, and a transmitter unit for converting two-level digital signals into three-level digital signals ( 200 is connected to the input terminal (P3) (P4) of the central processing unit 100, the two voltage comparators (A1) (A2) by converting a three-level digital signal into a two-level digital signal to the input terminal A receiving unit 300 for transmitting to is connected, and the receiving unit 300 is composed of four resistors R1, R2, R3, and R4 for supplying a reference voltage to the voltage comparators A1 and A2. The voltage setting unit 400 is connected, and the output terminal of the transmitter 200 and the input terminal of the receiver 300 are connected to the transmission unit 500 consisting of a transformer is characterized in that the data communication of the simple switching device is configured Circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870006692A 1987-06-29 1987-06-29 Circuit for changing from 2 level digital line signal to 3 level digital line signal and for the reverce KR900006964B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870006692A KR900006964B1 (en) 1987-06-29 1987-06-29 Circuit for changing from 2 level digital line signal to 3 level digital line signal and for the reverce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870006692A KR900006964B1 (en) 1987-06-29 1987-06-29 Circuit for changing from 2 level digital line signal to 3 level digital line signal and for the reverce

Publications (2)

Publication Number Publication Date
KR890001326A true KR890001326A (en) 1989-03-20
KR900006964B1 KR900006964B1 (en) 1990-09-25

Family

ID=19262457

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870006692A KR900006964B1 (en) 1987-06-29 1987-06-29 Circuit for changing from 2 level digital line signal to 3 level digital line signal and for the reverce

Country Status (1)

Country Link
KR (1) KR900006964B1 (en)

Also Published As

Publication number Publication date
KR900006964B1 (en) 1990-09-25

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