KR970013923A - COMMUNICATION APPARATUS CAPABLE OF INTEREXCHANGE THE GLOBAL BUS USING RS485 - Google Patents

COMMUNICATION APPARATUS CAPABLE OF INTEREXCHANGE THE GLOBAL BUS USING RS485 Download PDF

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Publication number
KR970013923A
KR970013923A KR1019950026819A KR19950026819A KR970013923A KR 970013923 A KR970013923 A KR 970013923A KR 1019950026819 A KR1019950026819 A KR 1019950026819A KR 19950026819 A KR19950026819 A KR 19950026819A KR 970013923 A KR970013923 A KR 970013923A
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KR
South Korea
Prior art keywords
circuit
bus
relay
redundant
transmission
Prior art date
Application number
KR1019950026819A
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Korean (ko)
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KR0161152B1 (en
Inventor
정병호
Original Assignee
유기범
대우통신 주식회사
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Application filed by 유기범, 대우통신 주식회사 filed Critical 유기범
Priority to KR1019950026819A priority Critical patent/KR0161152B1/en
Publication of KR970013923A publication Critical patent/KR970013923A/en
Application granted granted Critical
Publication of KR0161152B1 publication Critical patent/KR0161152B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40169—Flexible bus arrangements
    • H04L12/40176—Flexible bus arrangements involving redundancy
    • H04L12/40182—Flexible bus arrangements involving redundancy by using a plurality of communication lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40013—Details regarding a bus controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Small-Scale Networks (AREA)

Abstract

본 통신장치는 전전자 교환기에 있어서 그로벌버스를 이용하는 이중화 구조의 통신장치의 증가로 인한 버스 거리증가시 통신거리의 제약을 최소화하고 전송신호를 안정화할 수 있도록 그로벌버스 중계기능을 갖는 것으로, 제1버스케이블 코넥터; 제2버스케이블 코넥터; 그로벌버스; 중계그로벌버스; 이중화 구조의 통신회로에 있어서 클럭마스트를 제어하는 이중화마스트제어회로; 이중화 마스트제어회로에 의해 제어되어 버스제어회로에서 출력되는 보오레이트 클럭신호, 프레임신호를 중계 송신하는 클럭중계송신회로; 이중화 마스트제어회로에 의해 제어되어 송신구동회로의 출력신호를 제2버스케이블 코넥터를 통해 출력할 수 있도록 중계송신하는 중계송신회로; 이중화 마스트제어회로와 중계송신회로에 의해 제어되어 제2버스케이블코넥터를 통해 인가되어 중계그로벌버스에 실려 전송되는 신호를 수신구동회로로 중계수신하는 중계수신회로를 포함하도록 구성된다.This communication device has a global bus relay function to minimize the communication distance restriction and stabilize the transmission signal when the bus distance increases due to the increase in the duplex communication device using the global bus in all electronic switchboards. A first bus cable connector; A second bus cable connector; Global buses; Relay global bus; A redundant mast control circuit for controlling a clock mast in a redundant communication circuit; A clock relay transmission circuit which is controlled by a redundant mast control circuit and relays the baud rate clock signal and the frame signal output from the bus control circuit; A relay transmission circuit which is controlled by a redundant mast control circuit and relays the output signal of the transmission drive circuit through the second bus cable connector; And a relay receiving circuit which is controlled by a redundant mast control circuit and a relay transmitting circuit and which is applied through the second bus cable connector and carried on the relay global bus and relays the signal to the receiving drive circuit.

Description

알에스(RS)485 방식의 그로벌버스 중계기능을 갖는 통신장치(COMMUNICATION APPARATUS CAPABLE OF INTEREXCHANGE THE GLOBAL BUS USING RS485)COMMUNICATION APPARATUS CAPABLE OF INTEREXCHANGE THE GLOBAL BUS USING RS485

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

제2도는 전전자 교환기에 있어서 본 발명에 따른 그로벌버스 중계회로를 구비한 통신장치간의 연결관계도,2 is a connection relationship diagram between a communication device having a global bus relay circuit according to the present invention in an electronic switchgear;

제3도는 제2도의 통신장치내에서 이중화구조를 이루고 있는 통신회로C의 내부 블럭도,3 is an internal block diagram of a communication circuit C in a redundant structure in the communication device of FIG.

제4도는 제3도에 도시된 클럭중계송신회로의 상세도.4 is a detailed view of the clock relay transmitting circuit shown in FIG.

Claims (1)

하나의 버스케이블 코넥터를 구비하고 하나의 통신회로를 구비하여 전전자 교환기의 운용을 위해 사용되는 제1통신장치와 통신회로 C를 이중화하고 상기 제1통신장치과 RS485방식의 그로벌버스 통신구조를 갖는 전전자 교환기의 메인 프로세서에 해당되는 동일한 구조의 다수의 제2통신장치에 있어서, 상기 다수의 제2통신장치에 각각 장착되어 상기 제2통신장치간을 그로벌버스 케이블을 통해 연결하기 위한 제1버스케이블 코넥터; 사이 다수의 제2통신장치 각각에 장착되어 해당되는 제2통신장치과 상기 제1통신장치의 상기 버스케이블 코넥터와 중계버스케이블을 통해 연결하기 위한 제2버스케이블 코넥터; 상기 제1버스케이블코넥터와 상기 이중화된 통신회로간에 데이타전송을 위하여 접속된 그로벌버스; 상기 제2버스케이블코넥터와 상기 이중화된 통신회로간에 데이타전송을 위하여 접속된 중계그로벌버스; 상기 이중화된 통신회로내의 각종 버스 송수신신호를 생성하여 송수신하는 버스제어회로; 상기 제1버스케이블 코넥터와 상기 그로벌버스를 통해 전송되는 데이타를 수신하여 상기 버스제어회로로 전송하기 위한 수신구동회로; 상기 통신회로내의 버스의 점유와 송신을 알리는 신호(TXEN)를 출력하는 송신제어회로; 상기 송신제어회로에 의해 제어되어 상기 버스제어회로에서 전송된 신호중 DATA, ASSERT신호를 상기 제1 버스케이블코넥터를 통해 송신되도록 구동하는 송신구동회로; 상기 이중화 구조의 통신회로에 있어서 클럭마스트를 제어하는 이중화마스트제어회로; 상기 이중화 마스트 제어회로에 의해 제어되어 상기 버스제어회로에서 출력되는 보오레이트 클럭신호(BRCLK), 프레임신호(FRS)를 중계 송신하는 클럭중계송신회로; 상기 이중화 마스트제어회로에 의해 지어되어 상기 송신구동회로의 출력신호를 상기 제2버스케이블 코넥터를 통해 출력할 수 있도록 중계송신하는 중계송신회로; 상기 이중화 마스트제어회로와 상기 중계송신회로에 의해 제어되어 상기 제2버스케이블코넥터을 통해 인가되어 상기 중계그로벌버스에 실려 전송되는 신호를 상기 수신구동회로로 중계수신하고, 상기 중계수신이 이루어지지 않을 때에는 상기 중계송신회로가 구동되도록 제어 신호를 전송하는 중계수신회로를 포함함을 특징으로 하는 RS485방식의 그로벌버스 중계기능을 갖는 통신장치.It is provided with one bus cable connector and one communication circuit to duplicate the first communication device and the communication circuit C used for the operation of the electronic switchboard, and have a global bus communication structure of the first communication device and the RS485 type. In the plurality of second communication devices of the same structure corresponding to the main processor of the electronic switchboard, the first communication unit is mounted on each of the plurality of second communication devices to connect between the second communication devices via a global bus cable Bus cable connectors; A second bus cable connector mounted on each of the plurality of second communication devices, for connecting the corresponding second communication device and the bus cable connector of the first communication device with a relay bus cable; A global bus connected for data transmission between the first bus cable connector and the redundant communication circuit; A relay global bus connected for data transmission between the second bus cable connector and the redundant communication circuit; A bus control circuit for generating and transmitting various bus transmission / reception signals in the redundant communication circuit; A reception driver circuit for receiving data transmitted through the first bus cable connector and the global bus and transmitting the received data to the bus control circuit; A transmission control circuit for outputting a signal (TXEN) informing of the occupation and transmission of the bus in the communication circuit; A transmission driver circuit controlled by the transmission control circuit to drive DATA and ASSERT signals transmitted from the bus control circuit to be transmitted through the first bus cable connector; A redundant mast control circuit for controlling a clock mast in the redundant communication circuit; A clock relay transmission circuit which is controlled by the redundant mast control circuit and relays the baud rate clock signal BRCLK and the frame signal FRS outputted from the bus control circuit; A relay transmission circuit constructed by the redundant mast control circuit so as to relay the output signal of the transmission drive circuit through the second bus cable connector; The redundant mast control circuit and the relay transmission circuit are controlled by the second bus cable connector and are carried on the relay global bus and relayed to the receiving drive circuit, and the relay reception is not performed. And a relay receiver circuit for transmitting a control signal to drive the relay transmitter circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950026819A 1995-08-28 1995-08-28 Communication apparatus with the facility of repeating the global bus in rs-485 KR0161152B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950026819A KR0161152B1 (en) 1995-08-28 1995-08-28 Communication apparatus with the facility of repeating the global bus in rs-485

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950026819A KR0161152B1 (en) 1995-08-28 1995-08-28 Communication apparatus with the facility of repeating the global bus in rs-485

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KR970013923A true KR970013923A (en) 1997-03-29
KR0161152B1 KR0161152B1 (en) 1998-12-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482230B1 (en) * 1998-04-28 2005-06-08 유티스타콤코리아 유한회사 Control Method of Single Communication Media between OID and MS of Mobile Communication Switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482230B1 (en) * 1998-04-28 2005-06-08 유티스타콤코리아 유한회사 Control Method of Single Communication Media between OID and MS of Mobile Communication Switch

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KR0161152B1 (en) 1998-12-01

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