KR860009565A - 디지탈 가입자 라인 검사용 장치를 갖는 디지탈 회로망 시스템 - Google Patents
디지탈 가입자 라인 검사용 장치를 갖는 디지탈 회로망 시스템 Download PDFInfo
- Publication number
- KR860009565A KR860009565A KR1019860003881A KR860003881A KR860009565A KR 860009565 A KR860009565 A KR 860009565A KR 1019860003881 A KR1019860003881 A KR 1019860003881A KR 860003881 A KR860003881 A KR 860003881A KR 860009565 A KR860009565 A KR 860009565A
- Authority
- KR
- South Korea
- Prior art keywords
- subscriber line
- terminal device
- digital
- loop
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
- H04Q11/045—Selection or connection testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
- H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems
- H04M3/245—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems for ISDN systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/301—Circuit arrangements at the subscriber's side of the line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명이 적용되는 회로망 시스템의 개략도.
Claims (1)
- 디지탈 가입자 라인을 검사하기 위한 장치를 갖는 디지탈 회로망 시스템에서, 상기 시스템은 스위칭 장치, 상기 스위칭 장치와 연결된 가입자 회로로서 교환기 단말장치, 상기 교환기 단말장치와 연결된 가입자 라인, 상기 가입자 라인과 단말장비 장치간에 연결되는 가입자측에 있는 회로망 단말장치를 포함하며, 상기 회로망 단말장치는 상기 회로망 단말장치와 연결된 가입자 라인에 신호를 턴닝 어라운드 해주는 것을 수행해주는 턴어라운드 루우프 형성을 위한 턴어라운드 부분과 데이타 전송이 수행될 수 있음을 검출하고 또한 상기 턴어라운드 루우프의 형성을 제거해 주기 위한 변별부를 포함하며, 상기 턴어라운드 루우프는 교환기 단말장치로부터 프레임 동기 비트신호가 회로망 단말장치에 의해 수신될 때 형성되고 또한 변별부가 데이타 전송이 수행될 수 있음을 검출할 때 제거되며, 그에 의해, 상기 턴어라운드 루우프가 형성되는 동안 회로망 단말장치와 스위칭 장치간에서 전송 탐색 또는 비트오차 검사중 어느 하나를 위한 통신이 수행될 수 있으며 또한 턴어라운드 루우프가 제거된 후 교환기 단말장치와 단말장비장치간에서 데이타 전송이 수행될 수 있는 것이 특징인 디지탈 가입자 라인 검사용 장치를 갖는 디지탈 회로망 시스템.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP105952 | 1984-05-25 | ||
JP60-105952 | 1985-05-20 | ||
JP60105952A JPS61264852A (ja) | 1985-05-20 | 1985-05-20 | ディジタル加入者線試験方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860009565A true KR860009565A (ko) | 1986-12-23 |
KR900006322B1 KR900006322B1 (ko) | 1990-08-28 |
Family
ID=14421164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860003881A KR900006322B1 (ko) | 1985-05-20 | 1986-05-19 | 디지탈 가입자 라인 시험장치를 갖는 디지탈 회로망 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4766594A (ko) |
EP (1) | EP0202648B1 (ko) |
JP (1) | JPS61264852A (ko) |
KR (1) | KR900006322B1 (ko) |
CA (1) | CA1253936A (ko) |
DE (1) | DE3687366T2 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4918623A (en) * | 1985-10-04 | 1990-04-17 | Codex Corporation | Testing the performance of a communication line between two modems using modem processor |
JPS63263649A (ja) * | 1987-04-20 | 1988-10-31 | Ricoh Co Ltd | 光磁気記録媒体 |
US4891813A (en) * | 1988-01-29 | 1990-01-02 | Racal Data Communications Inc. | Passive bus communication using alternate CRC |
US5319631A (en) * | 1988-09-22 | 1994-06-07 | Siemens Aktiengesellschaft | Method for measuring in the subscriber area of an integrated services digital network system |
US4989202A (en) * | 1988-10-14 | 1991-01-29 | Harris Corporation | ISDN testing device and method |
US4980887A (en) * | 1988-10-27 | 1990-12-25 | Seiscor Technologies | Digital communication apparatus and method |
DE69030777T2 (de) * | 1989-03-03 | 1998-01-08 | Nippon Telegraph & Telephone | Netzwerkendgerät |
JPH0388445A (ja) * | 1989-08-30 | 1991-04-12 | Fujitsu Ltd | ループバックの試験起動方式 |
US5060226A (en) * | 1990-07-05 | 1991-10-22 | Phoenix Microsystems, Inc. | Telecommunications network test system |
SE501021C2 (sv) * | 1993-04-01 | 1994-10-24 | Ericsson Telefon Ab L M | Anordning för provning av linjeanslutningar vid telefonväxel |
JPH0787193A (ja) * | 1993-09-09 | 1995-03-31 | Fujitsu Ltd | 加入者系試験方法 |
JP3329527B2 (ja) * | 1993-09-20 | 2002-09-30 | 株式会社東芝 | ディジタルボタン電話装置 |
US5442697A (en) * | 1993-11-29 | 1995-08-15 | Adtran Corporation | Digital data loopback device |
JP2812188B2 (ja) * | 1994-03-08 | 1998-10-22 | 日本電気株式会社 | 蓄積プログラム制御電子交換機のシミュレート試験方法 |
GB9406212D0 (en) * | 1994-03-29 | 1994-05-18 | Plessey Telecomm | Telecommunication customer interface |
US5699402A (en) * | 1994-09-26 | 1997-12-16 | Teradyne, Inc. | Method and apparatus for fault segmentation in a telephone network |
US5748876A (en) * | 1995-12-29 | 1998-05-05 | Mci Communications Corporation | System and method for testing acoustic modems with semantically encoded waveforms |
US6101216A (en) * | 1997-10-03 | 2000-08-08 | Rockwell International Corporation | Splitterless digital subscriber line communication system |
US6445733B1 (en) | 1997-10-03 | 2002-09-03 | Conexant Systems, Inc. | Method of and apparatus for performing line characterization in a non-idle mode in a subscriber line communication system |
DE10023891B4 (de) * | 2000-05-17 | 2012-03-08 | Deutsche Telekom Ag | System und Verfahren zum Prüfen eines digitalen Teilnehmeranschlusses |
JP2002314702A (ja) * | 2001-04-13 | 2002-10-25 | Fujitsu Ltd | xDSLモデム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743938A (en) * | 1971-08-10 | 1973-07-03 | Gen Datacomm Ind Inc | Closed data loop test apparatus for data transmission modem |
US4039751A (en) * | 1972-04-24 | 1977-08-02 | General Datacomm Industries, Inc. | Method and apparatus for closed loop testing of first and second modulators and demodulators |
DE2746337C2 (de) * | 1977-10-14 | 1979-04-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur Prüfung einer Datenübertragungsanlage unter Verwendung einer Prüfschleife |
JPS54150907A (en) * | 1978-05-19 | 1979-11-27 | Fujitsu Ltd | Loop test control system |
JPS6022858B2 (ja) * | 1979-11-05 | 1985-06-04 | 日本電信電話株式会社 | 計算機制御による自動遠隔障害切分け方式 |
FR2478910A1 (fr) * | 1980-03-18 | 1981-09-25 | Trt Telecom Radio Electr | Systeme de telelocalisation de repeteurs |
JPS5715557A (en) * | 1980-07-02 | 1982-01-26 | Hitachi Ltd | Test method for telephone terminal |
FR2486335B1 (fr) * | 1980-07-02 | 1988-03-11 | Telecommunications Sa | Installation de telelocalisation pas-a-pas de circuits d'amplification intermediaires d'une liaison mic |
JPS5842328A (ja) * | 1981-09-07 | 1983-03-11 | Hitachi Ltd | 遠隔折返し制御方式 |
GB2127653B (en) * | 1982-09-15 | 1986-10-15 | Standard Telephones Cables Ltd | Supervision of digital transmission systems |
DE3245588A1 (de) * | 1982-12-09 | 1984-06-14 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren und schaltungsanordnung zur fehlerortung bei einem digitalen fernmelde-teilnehmeranschluss |
US4575847A (en) * | 1983-09-26 | 1986-03-11 | International Business Machines Corp. | Hot carrier detection |
-
1985
- 1985-05-20 JP JP60105952A patent/JPS61264852A/ja active Granted
-
1986
- 1986-05-14 US US06/863,040 patent/US4766594A/en not_active Expired - Fee Related
- 1986-05-16 CA CA000509385A patent/CA1253936A/en not_active Expired
- 1986-05-19 KR KR1019860003881A patent/KR900006322B1/ko not_active IP Right Cessation
- 1986-05-20 EP EP86106816A patent/EP0202648B1/en not_active Expired - Lifetime
- 1986-05-20 DE DE8686106816T patent/DE3687366T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3687366T2 (de) | 1993-05-13 |
CA1253936A (en) | 1989-05-09 |
EP0202648B1 (en) | 1992-12-30 |
JPS61264852A (ja) | 1986-11-22 |
US4766594A (en) | 1988-08-23 |
EP0202648A3 (en) | 1989-03-15 |
EP0202648A2 (en) | 1986-11-26 |
KR900006322B1 (ko) | 1990-08-28 |
JPH0414910B2 (ko) | 1992-03-16 |
DE3687366D1 (de) | 1993-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |