KR970072817A - ATM transmission system test equipment - Google Patents

ATM transmission system test equipment Download PDF

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Publication number
KR970072817A
KR970072817A KR1019960010222A KR19960010222A KR970072817A KR 970072817 A KR970072817 A KR 970072817A KR 1019960010222 A KR1019960010222 A KR 1019960010222A KR 19960010222 A KR19960010222 A KR 19960010222A KR 970072817 A KR970072817 A KR 970072817A
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KR
South Korea
Prior art keywords
atm
transmission system
transmission
cell
cells
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Application number
KR1019960010222A
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Korean (ko)
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KR100216774B1 (en
Inventor
김성환
Original Assignee
정장호
Lg 정보통신주식회사
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Priority to KR1019960010222A priority Critical patent/KR100216774B1/en
Publication of KR970072817A publication Critical patent/KR970072817A/en
Application granted granted Critical
Publication of KR100216774B1 publication Critical patent/KR100216774B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5628—Testing

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

본 발명은 BISDN(Broadband Integrated Services Digital Network)에서 사용되는 ATM(Asynchronous Transfer Mode) 전송 시스템을 테스트하기 위한 장치에 관한 것으로, 특히 일반 PC의 확장 슬롯에 장착하여 용이하게 ATM전송 시스템의 정상 여부를 테스트 하도록 하는 ATM 전송 시스템 테스트 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for testing an Asynchronous Transfer Mode (ATM) transmission system used in a BISDN (Broadband Integrated Services Digital Network), and more particularly, To an ATM transmission system test apparatus.

일반적으로 ATM 교환기로부터 출력되는 ATM셀을 다른 교환국으로 전송하기 위해서는 소정의 전송 시스템을 사용해야 하는데, 사용하는 전송 시스템이 올바로 동작하는지를 검사하거나 새로운 전송 시스템을 개발하여 이 시스템의 정상 동작 여부를 검사하기 위해서는 ATM전송 시스템 테스트 장치를 사용해야 한다. 그러나 기존의 ATM 전송 시스템 테스트 장치는 매우 고가이어서 많은 비용이 소요되고, 그 장치를 사용하려면 고도의 숙련된 기술이 요구되어 테스트 작업을 효율적으로 수행할 수 없게 되는 문제점이 있다.Generally, in order to transmit an ATM cell output from an ATM exchange to another exchange, a predetermined transmission system must be used. In order to check whether the transmission system in use is operating properly or to develop a new transmission system to check whether the ATM system is operating normally ATM transport system test equipment should be used. However, the conventional ATM transmission system test apparatus is very expensive and requires a large amount of cost. In order to use the apparatus, a highly skilled technique is required, so that the test operation can not be efficiently performed.

본 발명은 ATM 전송 시스템이 정상적으로 동작하는지의 여부를 간단하게 판단할 수 있는 장치로서 일반적인 PC의 확장슬롯에 간단하게 장착해서 ATM 전송 시스템을 테스트 할 수 있으므로 고가의 ATM 전송 시스템 테스트 장비를 사용하지 않아도 되고 고도의 전문적인 기술과 복잡한 작동방법을 필요로 하지 않아 용이하게 효율적으로 ATM 전송 시스템의 테스트를 할 수 있게 된다.The present invention can easily determine whether or not an ATM transmission system operates normally and can easily test an ATM transmission system by installing it in an expansion slot of a general PC. Therefore, And it does not require highly specialized technology and complicated operation method, so it can easily and effectively test the ATM transmission system.

Description

ATM전송 시스템 테스트 장치ATM transmission system test equipment

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명에 따른 ATM 전송 시스템 테스트 장치의 전체 구성도, 제2도는 제1도에 도시된 ATM 전송 시스템 테스트 장치에서 ATM전송 시스템을 테스트하기 위해 발생시키는 ATM 셀 포맷이다.FIG. 1 is an overall configuration diagram of an ATM transmission system test apparatus according to the present invention. FIG. 2 is an ATM cell format generated for testing an ATM transmission system in an ATM transmission system test apparatus shown in FIG.

Claims (1)

ATM 전송 시스템의 정상동작 여부를 테스트 하는 ATM 전송 시스템장치에 있어서, ATM 셀을 입력되는 순서대로 저장했다가 출력하는 송신FIFO(20)와; ATM셀을 입력되는 순서대로 저장했다가 출력하는 수신FIFO(30)와; 상기 송신 FIFO(20)로부터 전송 받은 ATM셀에 에러체크를 위한 CRC비트를 PEC(92)에 삽입하여 출력하는 송신셀 처리부(40)와; 입력받은 ATM셀의 CRC비트에 의거하여 에러 체크 처리하여 에러발생 여부를 ATM셀의 에러비트(95)에 표시해서, 상기 수신 FIFO(30)로 전송하는 수신셀 처리부(50)와; 전송받은 매핑된 셀을 ATM 전송 시스템측으로 송신하는 송신 광모듈(70)과; 상기 ATM 전송 시스템으로부터 인가되는 셀을 수신하여 전송하는 수신 광모듈(80)과; 상기 송신셀 처리부(40)로부터 전송받는 ATM 셀을 물리계층에 적합한 형태로 매핑하여 상기 송신 광모듈(70)측에 출력하고 상기 수신 광모듈(80)로부터 전송 받은 매핑된 셀에서 ATM 셀을 추출하여 상기 수신 셀 처리부(50)에 전송하는 물리계층 처리부(60)와; PC로부터 인가되는 ATM셀을 상기 송신 FIFO(20)측에 출력하고, 상기 수신 FIFO(30)로부터 인가되는 ATM셀을 상기 PC측에 출력하고, 상기 물리계층 처리부(60)의 동작을 제어하는 제어부(10)을 포함하는 것을 특징으로 하는 ATM 전송 시스템 테스트 장치.1. An ATM transmission system for testing whether an ATM transmission system operates normally, the ATM transmission system comprising: a transmission FIFO (20) for storing and outputting ATM cells in an input order; A reception FIFO (30) for storing and outputting ATM cells in an input order; A transmission cell processing unit 40 for inserting a CRC bit for error check into the PEC 92 in the ATM cell received from the transmission FIFO 20 and outputting the CRC bit; A receiving cell processor 50 for performing an error check process on the basis of a CRC bit of an input ATM cell to indicate whether an error has occurred in an error bit 95 of the ATM cell and transmitting the result to the receiving FIFO 30; A transmission optical module 70 for transmitting the transmitted mapped cells to the ATM transmission system; A receiving optical module (80) for receiving and transmitting cells applied from the ATM transmission system; The ATM cell mapping unit 40 maps the ATM cells received from the transmission cell processing unit 40 in a form suitable for the physical layer and outputs the mapped ATM cells to the transmission optical module 70. The ATM cells are extracted from the mapped cells received from the reception optical module 80 To the received cell processing unit (50); A control unit for outputting the ATM cell applied from the PC to the transmission FIFO 20 side and outputting the ATM cell applied from the reception FIFO 30 to the PC side and controlling the operation of the physical layer processing unit 60 (10). ≪ / RTI > ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960010222A 1996-04-04 1996-04-04 The test apparatus of atm transmission system KR100216774B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960010222A KR100216774B1 (en) 1996-04-04 1996-04-04 The test apparatus of atm transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960010222A KR100216774B1 (en) 1996-04-04 1996-04-04 The test apparatus of atm transmission system

Publications (2)

Publication Number Publication Date
KR970072817A true KR970072817A (en) 1997-11-07
KR100216774B1 KR100216774B1 (en) 1999-09-01

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