KR960027698A - Digital Loopback Test Method for Digital Subscribers in Integrated Telecommunication Networks - Google Patents

Digital Loopback Test Method for Digital Subscribers in Integrated Telecommunication Networks Download PDF

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Publication number
KR960027698A
KR960027698A KR1019940034261A KR19940034261A KR960027698A KR 960027698 A KR960027698 A KR 960027698A KR 1019940034261 A KR1019940034261 A KR 1019940034261A KR 19940034261 A KR19940034261 A KR 19940034261A KR 960027698 A KR960027698 A KR 960027698A
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South Korea
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test
result
digital
subscriber
loopback
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KR1019940034261A
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Korean (ko)
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KR0168883B1 (en
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신경철
예병호
우왕돈
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양승택
재단법인 한국전자통신연구소
조백제
한국전기통신공사
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Priority to KR1019940034261A priority Critical patent/KR0168883B1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges
    • H04Q3/0062Provisions for network management
    • H04Q3/0087Network testing or monitoring arrangements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317Testing of digital circuits
    • G01R31/31712Input or output aspects
    • G01R31/31716Testing of input or output with loop-back
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435Details
    • H04Q11/045Selection or connection testing arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)

Abstract

본 발명은 ISDN(Inteligented Services Digital Nerwork) 전전자 교환기에서 디지탈 가입자의 회선에 대한 전송 프레임이 가입자 댁내의 NT(Network Termination)에서 교환기의 가입자 정합 장치간에 정상적으로 송수신이 되는가를 시험하는 ISDN의 디지탈 가입자에 대한 디지탈 루프백 시험방법에 관한 것으로, 가입자 정합 장치를 구동하고 시간 스위치를 연결하는 제1단계와, 시험 환경이 구성된 후 DST와 ITEC간 상호 작용에 의해 디지탈 회선의 루프백 시험을 진행하는 제2단계와, 상기 루프백 시험이 완료된 후 시간 위치를 해제하고 가입자 정합 장치를 해제하는 제3단계를 포함하는 것을 특징으로 하여 디지탈 가입자 회선의 프레임 전송에서 회선의 전송 효율에 대한 상태를 운용자가 시험을 통해 이해함으로써 시스템 운용시 대처할 수 있는 방법을 빠르게 판단하거나 회선의 고장 위치를 파악할 수 있는 효과가 있다.The present invention relates to a digital subscriber of an ISDN that tests whether a transmission frame for a digital subscriber's circuit is normally transmitted / received between the subscriber matching devices of the exchange in an NT (Network Termination) in an subscriber's home electronic switch (ISDN) electronic switch. A first step of driving a subscriber matching device and connecting a time switch, and a second step of conducting a loopback test of the digital line by the interaction between the DST and the ITEC after the test environment is established. And a third step of releasing the time position and releasing the subscriber matching device after the loopback test is completed by the operator understanding the state of the transmission efficiency of the circuit in the frame transmission of the digital subscriber line through the test. Quickly determine how to cope with system operation There is an effect that can identify the location of the fault line.

Description

종합종보통신망의 디지탈 가입자에 대한 디지탈 루프백 시험방법Digital Loopback Test Method for Digital Subscribers in Integrated Telecommunication Network

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

제1도는 본 발명이 적용되는 ISDN 전전자 교환 시스템의 구성 블럭도, 제2도는 가입자 모듈의 구성도.1 is a block diagram of an ISDN electronic switch system to which the present invention is applied, and FIG. 2 is a block diagram of a subscriber module.

Claims (5)

대부분의 호처리 기능과 자체적인 운용 및 유지보수를 수행하는 ASS(Access Switching Subsystem)과,시스템의 총괄적인 유지보수 및 운용 관련 기능, 통계, 보조 기억 장치를 제어하는 CCS(Central Control Subsystem)와, 호처리 기능중 번호 번역, 루트 제어 기능, 시간 스위치의 연결 같은 집중 기능 등을 수행하며 ASS 상호간 혹은 ASS와 CCS 사이를 광 링크(Optical Link)로 연결하는 INS(Interconnection Network Subsystem)을 구비하는 ISDN 전전자 교환 시스템에 적용되는 ISDN(Inteligented Services Digital Nerwork)디지탈 가입자에 대한 디지탈 루푸백 시험방법에 있어서, 가입자 정합 장치를 구동하고 시간 스위치를 연결하는 제1단계와, 시험 환경이 구성된 후 DST(Digital Subscriber Test)와 ITEC(ISDN Test Equipment Control) 간 상호 작용에 의해 디지탈 회선의 루프백 시험을 진행하는 제2단계와, 상기 루프백 시험이 완료된 후 시간 스위치를 해제하고 가입자 정합 장치를 해제하는 제3단계를 포함하는 것을 특징으로 하는 ISDN 디지탈 가입자에 대한 디지탈 루프백 시험방법.ASS (Access Switching Subsystem) which performs most call processing functions and its own operation and maintenance, Central Control Subsystem (CCS) that controls the overall maintenance and operation of the system, statistics and auxiliary storage, ISDN system with INS (Interconnection Network Subsystem) which performs intensive functions such as number translation, route control function, and time switch connection among call processing functions and connects ASS to each other or between ASS and CCS through optical link. In the digital loopback test method for digital subscribers of ISDN (Inteligented Services Digital Nerwork) applied to an electronic switching system, a first step of driving a subscriber matching device and connecting a time switch, and after the test environment is configured, a digital subscriber A second step of conducting a loopback test of the digital line by the interaction between the Test) and the IDN (ISDN Test Equipment Control); The release time after the switch is complete, and the digital loopback test method for ISDN digital subscriber, characterized in that it comprises a third step of releasing the subscriber matching device. 제1항에 있어서, 상기 제1단계는, 루프백 점이 NT(Network Termination)이거나 PMUX(Primary MUltipleX)인 경우에는 계층 1의 활성화를 요구하는 활성화 결과 대기상태가 되는 제4단계와, 가입자 정합 장치에서 회선을 활성화 한 후 DST로 그대에 대한 결과를 전송하면 DST에서 이를 수신하여 다시 루프백 점 설정을 요구한후 루프백 점 설정 결과 대기상태가 되는 제5단계와, 상기 루프백 점 설정 결과 대기상태에서 루프백 점 설정 요구에 대한 결과를 수신하지 못하면 점유된 자원들을 해제하고 루프백 점설정 요구에 대한 결과를 수신하면 종료되는 제6단계를 포함하는 것을 특징으로 하는 ISDN 디지탈 가입자에 대한 디지탈 루프백 시험방법.The method of claim 1, wherein the first step comprises a fourth step of waiting for an activation result requesting activation of layer 1 when the loopback point is NT (Network Termination) or PMUX (Primary MUltipleX); After the circuit is activated, if the result is transmitted to the DST, the fifth step is to receive the request from the DST, request the loopback point setting again, and then wait for the loopback point setting result, and the loopback point in the standby state of the loopback point setting result. And a sixth step of releasing the occupied resources if not receiving the result of the establishment request and ending upon receiving the result of the loopback point establishment request. 제2항에 있어서, 상기 제5단계는, 상기 활성화 결과 대기상태에서 활성화에 대한 결과를 수신하지 못하면 시험을 실시하지 않고 점유한 자원은 해제하는 제7단계를 더 포함하는 것을 특징으로 하는 ISDN 디지탈 가입자에 대한 디지탈 루프백 시험방법.The ISDN digital apparatus according to claim 2, wherein the fifth step further comprises a seventh step of releasing the occupied resource without performing a test when the result of the activation is not received in the activation result standby state. Digital loopback test method for subscribers. 제1항에 있어서, 상기 제2단계는, ITEC 시험 장치로 시험을 요구하고 시험 결과 대기상태가 되는 제4단계와, 시험 결과 대기상태에서 시험 장치는 시간 스위치, 가입자 정합 장치, 루프백 점 다시 가입자 정합 장치, 시간 스위치를 거쳐 시험 장치로 돌아오는 시험 패턴을 분석하여 그 결과는 DST 블럭으로 전송하고 시험을 종료하는 제5단계와, 시험 결과 대기상태에서 ITEC로부터 시험 결과를 수신하지 못하면 점유한 자원을 모두 해제하고 시험을 종료하는 제6단계를 포함하는 것을 특징으로 하는 ISDN 디지탈 가입자에 대한 디지탈 루프백 시험방법.The method of claim 1, wherein the second step includes a fourth step of requesting a test by the ITEC test device and waiting for a test result, and in the test result waiting state, the test device includes a time switch, a subscriber matching device, and a loopback point again subscriber. The fifth step of analyzing the test pattern returning to the test device through the matching device and the time switch and transmitting the result to the DST block and ending the test, and the resource occupied if the test result is not received from the ITEC while waiting for the test result. Digital loopback test method for an ISDN digital subscriber, characterized in that it comprises a sixth step to release all and terminate the test. 제1항에 있어서, 상기 제3단계는, DST 블럭에서 가입자 정합 장치로 루프백 점의 해제를 요구하고 루프백 점 해제 결과 대기상태가 되는 제4단계와, 상기 루프백 점 해제 결과 대기상태에서 가입자 정합 장치가 해당 시험의 가입자 디지탈 루프백 점을 해제하여 그 결과를 수신한 DST 블럭이 다시 가입자 정합 장치로 계층 1의 비활성화를 요구하고 계층 1비활성화 결과 대기 상태가 되는 제5단계와, 상기 루프백 점 해제 결과 대기상태에서 결과를 수신하지 못하면 점유한 시험 자원을 해제하고 시험을 종료하는 제6단계와, 상기 계층 1 비활성화 결과 대기 상태에서 계층 1 비활성화 결과를 수신하면 가입자 정합 장치의 시험 환경 요소는 모두 해제되었으므로 종료하고 상기 계층 1 비활성화 결과 대기 상태에서 결과를 수신하지 못하더라도 종료되는 제7단계를 포함하는 것을 특징으로 하는 ISDN 디지탈 가입자에 대한 디지탈 루프백 시험방법.The subscriber matching device of claim 1, wherein the third step comprises requesting the release of the loopback point from the DST block to the subscriber matching device and waiting for the loopback point release result; and the subscriber matching device in the loopback point release result wait state. Step 5 in which the subscriber digital loopback point of the test is released, and the received DST block requests the deactivation of layer 1 to the subscriber matching device again and is in a waiting state for the layer 1 deactivation result; If the result is not received in the state, the sixth step of releasing the occupied test resources and terminates the test; Step 7 is terminated even if the result is not received in the layer 1 deactivation result wait state. Digital loopback test method for ISDN digital subscriber comprises. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940034261A 1994-12-14 1994-12-14 Method for testing line of isdn digital subscriber KR0168883B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100259912B1 (en) * 1997-01-17 2000-06-15 Samsung Electronics Co Ltd Time switch controlling method for diagnosing error of call route

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100380408B1 (en) * 2000-11-29 2003-04-11 삼성전자주식회사 The loop back test method for PRI link by using switch board
KR100406234B1 (en) * 2001-10-10 2003-11-17 엘지전자 주식회사 Method For Exchange V5.2 Subscriber Status On Access Network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100259912B1 (en) * 1997-01-17 2000-06-15 Samsung Electronics Co Ltd Time switch controlling method for diagnosing error of call route

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