CN1220539A - 通信线路端接检测 - Google Patents
通信线路端接检测 Download PDFInfo
- Publication number
- CN1220539A CN1220539A CN98118600A CN98118600A CN1220539A CN 1220539 A CN1220539 A CN 1220539A CN 98118600 A CN98118600 A CN 98118600A CN 98118600 A CN98118600 A CN 98118600A CN 1220539 A CN1220539 A CN 1220539A
- Authority
- CN
- China
- Prior art keywords
- slic
- line
- connection
- switch
- user
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9718428.7 | 1997-09-02 | ||
GBGB9718428.7A GB9718428D0 (en) | 1997-09-02 | 1997-09-02 | Telelcommunications line termination test |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1220539A true CN1220539A (zh) | 1999-06-23 |
CN1126352C CN1126352C (zh) | 2003-10-29 |
Family
ID=10818290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98118600A Expired - Fee Related CN1126352C (zh) | 1997-09-02 | 1998-09-02 | 通信线路端接检测 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6169784B1 (zh) |
EP (1) | EP0901264B1 (zh) |
CN (1) | CN1126352C (zh) |
AU (1) | AU8306798A (zh) |
DE (1) | DE69832671T2 (zh) |
GB (1) | GB9718428D0 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333233C (zh) * | 2001-08-30 | 2007-08-22 | 联合电子控制有限公司 | 用于远程装置的双线输出/供电机构及其方法 |
CN100409650C (zh) * | 2001-11-16 | 2008-08-06 | 瑞士电信固网公司 | 对网络连接进行分类的方法和系统 |
CN101064751B (zh) * | 2006-04-28 | 2011-06-08 | 鸿富锦精密工业(深圳)有限公司 | U接口回路极性自动反转系统及方法 |
CN101278547B (zh) * | 2005-09-28 | 2012-10-10 | 诺基亚西门子通信有限责任两合公司 | 对用于逆转包括多个导线的用户线上的极性的功能进行检验的方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10051383C1 (de) * | 2000-10-17 | 2002-04-04 | Infineon Technologies Ag | Verfahren zur Messung einer Lastimpedanz |
US6983038B2 (en) * | 2002-10-29 | 2006-01-03 | Bellsouth Intellectual Property Corporation | Maintenance termination unit |
DE102004014449B4 (de) * | 2004-03-24 | 2006-02-09 | Infineon Technologies Ag | Verfahren zur Widerstandsmessung für eine Teilnehmeranschlussschaltung mittels einer Schutzschaltung |
TWI309117B (en) * | 2006-05-19 | 2009-04-21 | Hon Hai Prec Ind Co Ltd | Internet telephony gateway and method for detecting connection error thereof |
US9842628B2 (en) * | 2008-07-10 | 2017-12-12 | Agiga Tech Inc. | Capacitor enablement voltage level adjustment method and apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2504274A1 (fr) * | 1981-04-17 | 1982-10-22 | Poitevin Jean Pierre | Dispositif de localisation de defauts dans une ligne bifilaire |
US4373121A (en) | 1981-06-15 | 1983-02-08 | Bell Telephone Laboratories, Incorporated | Maintenance termination device |
ATE98830T1 (de) * | 1987-08-07 | 1994-01-15 | Siemens Ag | Verfahren zur messung von leitungsparametern von teilnehmeranschlussleitungen eines fernmeldenetzes. |
GB2269073B (en) * | 1992-07-23 | 1996-06-19 | Northern Telecom Ltd | Remote line tester |
US6084946A (en) * | 1998-11-30 | 2000-07-04 | Bell Atlantic Network Services, Inc. | Qualifying a telephone line for digital transmission service |
-
1997
- 1997-09-02 GB GBGB9718428.7A patent/GB9718428D0/en not_active Ceased
-
1998
- 1998-08-20 DE DE69832671T patent/DE69832671T2/de not_active Expired - Lifetime
- 1998-08-20 EP EP98306675A patent/EP0901264B1/en not_active Expired - Lifetime
- 1998-09-01 US US09/144,783 patent/US6169784B1/en not_active Expired - Fee Related
- 1998-09-02 CN CN98118600A patent/CN1126352C/zh not_active Expired - Fee Related
- 1998-09-02 AU AU83067/98A patent/AU8306798A/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1333233C (zh) * | 2001-08-30 | 2007-08-22 | 联合电子控制有限公司 | 用于远程装置的双线输出/供电机构及其方法 |
CN100409650C (zh) * | 2001-11-16 | 2008-08-06 | 瑞士电信固网公司 | 对网络连接进行分类的方法和系统 |
CN101278547B (zh) * | 2005-09-28 | 2012-10-10 | 诺基亚西门子通信有限责任两合公司 | 对用于逆转包括多个导线的用户线上的极性的功能进行检验的方法 |
CN101064751B (zh) * | 2006-04-28 | 2011-06-08 | 鸿富锦精密工业(深圳)有限公司 | U接口回路极性自动反转系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69832671T2 (de) | 2006-07-13 |
DE69832671D1 (de) | 2006-01-12 |
US6169784B1 (en) | 2001-01-02 |
AU8306798A (en) | 1999-03-18 |
EP0901264A3 (en) | 2003-11-26 |
GB9718428D0 (en) | 1997-11-05 |
EP0901264B1 (en) | 2005-12-07 |
CN1126352C (zh) | 2003-10-29 |
EP0901264A2 (en) | 1999-03-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1005209A2 (en) | Signalling method for invoking a test mode in a network interface unit | |
US5636273A (en) | Integrated ring detection circuit and power cross detection circuit with persistence timers | |
CN1126352C (zh) | 通信线路端接检测 | |
EP0543161B1 (en) | Method and circuit device for measuring operation paramaters of an interface circuit and a telephone subscriber line connected thereto | |
JPH08503106A (ja) | 通信チャンネルテスト装置 | |
US5809109A (en) | Integrated ring sensor with fault detection | |
US20060176825A1 (en) | Subscriber line testing system, broadband line card and broadband/narrowband telecommunication system | |
US5392327A (en) | Termination unit with maintenance facility | |
US5771262A (en) | Impedance adapter for network coupler cable | |
US5982879A (en) | Telephone headset amplifier and method of operation | |
EP0735734A2 (en) | Lightning protected maintenance termination unit | |
CN110098811A (zh) | 一种运算放大器和显示装置 | |
US5524043A (en) | Remotely connectable maintenance termination unit | |
CN114167268A (zh) | 一种断路器特性测试辅助装置 | |
US4485271A (en) | Remotely actuable line disconnect device | |
CN217133269U (zh) | 绝缘电阻检测电路 | |
US4629835A (en) | Fault isolating apparatus system and method | |
GB2329552A (en) | Line terminator test | |
CN2508473Y (zh) | 数据专线测试用无源隔离器 | |
CN1068460A (zh) | 限流用户接口电路 | |
CN1124731C (zh) | 用于测量用户连接模块中的连接线上的外电压的装置 | |
CN2216301Y (zh) | 缺压、漏电保护器 | |
EP1031230B1 (en) | Method and apparatus for testing a subscriber line interface | |
CN1694476B (zh) | 用于包括混合电路的线路设备的测试方法及其线路设备 | |
CN2270321Y (zh) | 手提线路测试电话 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Applicant after: Marconi Communications Ltd. Applicant before: GPT Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: GPT CO., LTD. TO: MARCONI COMMUNICATIONS LTD. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MARCONI UK INTELLECTUAL PROP Free format text: FORMER OWNER: MARCONI COMMUNICATIONS LTD. Effective date: 20031230 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20031230 Address after: coventry Patentee after: Marconi UK Intellectual Proper Address before: England Patentee before: Marconi Communications Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031029 Termination date: 20100902 |