IL111638A - Distributed digital loop telephone system - Google Patents
Distributed digital loop telephone systemInfo
- Publication number
- IL111638A IL111638A IL111638A IL11163894A IL111638A IL 111638 A IL111638 A IL 111638A IL 111638 A IL111638 A IL 111638A IL 11163894 A IL11163894 A IL 11163894A IL 111638 A IL111638 A IL 111638A
- Authority
- IL
- Israel
- Prior art keywords
- ddl
- coupled
- links
- ddl system
- subscribers
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/60—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/163,258 US5592475A (en) | 1993-12-07 | 1993-12-07 | Distributed digital loop system with trunk unit interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL111638A0 IL111638A0 (en) | 1995-01-24 |
| IL111638A true IL111638A (en) | 1998-02-22 |
Family
ID=22589175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL111638A IL111638A (en) | 1993-12-07 | 1994-11-14 | Distributed digital loop telephone system |
Country Status (17)
| Country | Link |
|---|---|
| US (2) | US5592475A (de) |
| EP (1) | EP0733296A1 (de) |
| JP (1) | JPH09506489A (de) |
| KR (1) | KR960706754A (de) |
| CN (1) | CN1167558A (de) |
| AU (1) | AU1102195A (de) |
| BR (1) | BR9408252A (de) |
| CA (1) | CA2177582A1 (de) |
| CO (1) | CO4290468A1 (de) |
| CZ (1) | CZ155996A3 (de) |
| HU (1) | HUT75276A (de) |
| IL (1) | IL111638A (de) |
| PE (1) | PE45795A1 (de) |
| PL (1) | PL175810B1 (de) |
| TW (1) | TW238444B (de) |
| WO (1) | WO1995016328A1 (de) |
| ZA (1) | ZA949249B (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5926480A (en) * | 1996-07-01 | 1999-07-20 | Alcatel Usa Sourcing, L.P. | Digital cross-connect system to digital loop carrier interface unit |
| US5889850A (en) * | 1996-10-15 | 1999-03-30 | Lucent Technologies Inc. | Interface card for use in a telecommunications network |
| US6229886B1 (en) * | 1997-01-22 | 2001-05-08 | Ciena Corporation | Method and apparatus for providing 56K modem technology for public switched telephone networks |
| FR2762473B1 (fr) * | 1997-04-21 | 1999-05-28 | Schneider Electric Sa | Enveloppe pour appareillages electriques |
| CA2295182A1 (en) * | 1997-06-26 | 1999-01-07 | Siemens Aktiengesellschaft | Chassis with a backplane carrying printed interconnects |
| US6289042B1 (en) | 1998-02-17 | 2001-09-11 | Rockwell Automation Technologies, Inc. | Media independent modular communication repeater system |
| US6385315B1 (en) * | 1998-06-05 | 2002-05-07 | Mphase Corporation | Video voice separation system |
| US6529599B1 (en) * | 1998-07-07 | 2003-03-04 | Nec America, Inc. | Flexible tributary unit protection method for a trunk-multiplexed metallic interface |
| US7843898B1 (en) * | 1998-08-31 | 2010-11-30 | Verizon Services Corp. | Selective bandwidth connectivity through network line cards |
| US6261104B1 (en) * | 1999-08-16 | 2001-07-17 | Micron Electronics, Inc. | Riser card assembly and method for its installation |
| US6731738B1 (en) * | 2000-03-28 | 2004-05-04 | Sprint Communications Company, L.P. | Call tones in communication networks |
| US7568207B1 (en) * | 2000-06-23 | 2009-07-28 | Braun Warren L | Cable drop monitor with upstream signalling |
| US20030142484A1 (en) * | 2002-01-29 | 2003-07-31 | Adc Dsl Systems, Inc. | Backplane |
| US20040095956A1 (en) * | 2002-11-06 | 2004-05-20 | Henderson Richard E. | Telecommunications interface |
| US7409154B2 (en) * | 2003-08-05 | 2008-08-05 | Lucent Technologies Inc. | System and method for a protected optical access ring network |
| US20070041730A1 (en) * | 2005-08-09 | 2007-02-22 | Alcatel | RF extender co-located with DSL remote |
| DE102011087451A1 (de) * | 2011-11-30 | 2013-06-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Feststellen eines Fehlers in Verbindungleitungen zwischen einer Zentraleinheit und einer Mehrzahl von voreinander unabhängigen elektronischen Baueinheiten |
| US9595798B2 (en) * | 2015-06-17 | 2017-03-14 | The Boeing Company | VME P2 five row interface adapter assembly, system, and method |
| CN109150299A (zh) * | 2017-06-28 | 2019-01-04 | 上海欣诺通信技术有限公司 | 串联结构的光交箱监控系统 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984642A (en) * | 1974-06-10 | 1976-10-05 | The Post Office | Digital telephone and switching system employing time division multiplex pulse code modulation |
| US4053719A (en) * | 1976-10-27 | 1977-10-11 | Northern Telecom Limited | Connector blocks for telecommunications lines |
| US4494229A (en) * | 1979-07-02 | 1985-01-15 | Rolm Corporation | Interconnecting apparatus for a distributed switching telephone system |
| US4371757A (en) * | 1981-08-21 | 1983-02-01 | Northern Telecom Limited | Enclosure for outdoor cross-connect system for telecommunications |
| US4566094A (en) * | 1983-05-11 | 1986-01-21 | At&T Bell Laboratories | Channel selection in a switching system having clustered remote switching modules |
| US4713806A (en) * | 1986-03-14 | 1987-12-15 | American Telephone And Telegraph Company, At&T Bell Laboratories | Communication system control arrangement |
| US4833708A (en) * | 1987-11-19 | 1989-05-23 | Remote Switch Systems, Inc. | Remote cable pair cross-connect system |
| SU1547671A1 (ru) * | 1988-07-20 | 1991-09-07 | Предприятие П/Я Р-6609 | Цифрова коммутационна система |
| US5124980A (en) * | 1989-03-20 | 1992-06-23 | Maki Gerald G | Synchronous multiport digital 2-way communications network using T1 PCM on a CATV cable |
| US5111497A (en) * | 1990-09-17 | 1992-05-05 | Raychem Corporation | Alarm and test system for a digital added main line |
| US5199878A (en) * | 1990-11-15 | 1993-04-06 | Adc Telecommunications, Inc. | Plug-in jack card for normally closed contacts |
| DE69228241T2 (de) * | 1991-05-09 | 1999-07-08 | Ericsson Raynet, Menlo Park, Calif. | Verfahren und Anordnung für Kennzeichenumsetzung |
| US5208737A (en) * | 1991-08-14 | 1993-05-04 | Minnesota Mining And Manufacturing Company | Cross connect cabinet for telecommunications equipment |
| US5359654A (en) * | 1992-05-12 | 1994-10-25 | Raychem Corporation | Telecommunications network interface assembly |
| US5325270A (en) * | 1992-05-29 | 1994-06-28 | Telco Systems, Inc. | Modular backplane |
| DE4304346A1 (de) * | 1993-02-13 | 1994-08-18 | Sel Alcatel Ag | Optisches Fernmeldeortsnetz und optische Teilnehmervermittlungsstelle |
| US5521977A (en) * | 1993-10-29 | 1996-05-28 | Teltrend Inc. | High density telephone network interface unit |
-
1993
- 1993-12-07 US US08/163,258 patent/US5592475A/en not_active Expired - Fee Related
-
1994
- 1994-07-14 TW TW083106407A patent/TW238444B/zh active
- 1994-11-08 BR BR9408252A patent/BR9408252A/pt not_active Application Discontinuation
- 1994-11-08 HU HU9601383A patent/HUT75276A/hu unknown
- 1994-11-08 JP JP7516193A patent/JPH09506489A/ja active Pending
- 1994-11-08 CZ CZ961559A patent/CZ155996A3/cs unknown
- 1994-11-08 PL PL94314727A patent/PL175810B1/pl unknown
- 1994-11-08 WO PCT/US1994/012884 patent/WO1995016328A1/en not_active Ceased
- 1994-11-08 CN CN94194426A patent/CN1167558A/zh active Pending
- 1994-11-08 CA CA002177582A patent/CA2177582A1/en not_active Abandoned
- 1994-11-08 KR KR1019960702991A patent/KR960706754A/ko not_active Withdrawn
- 1994-11-08 AU AU11021/95A patent/AU1102195A/en not_active Abandoned
- 1994-11-08 EP EP95901826A patent/EP0733296A1/de not_active Withdrawn
- 1994-11-14 IL IL111638A patent/IL111638A/en not_active IP Right Cessation
- 1994-11-17 PE PE1994254931A patent/PE45795A1/es not_active Application Discontinuation
- 1994-11-22 ZA ZA949249A patent/ZA949249B/xx unknown
- 1994-11-23 CO CO94053512A patent/CO4290468A1/es unknown
-
1996
- 1996-09-10 US US08/707,890 patent/US5692043A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5692043A (en) | 1997-11-25 |
| CA2177582A1 (en) | 1995-06-15 |
| JPH09506489A (ja) | 1997-06-24 |
| US5592475A (en) | 1997-01-07 |
| PL175810B1 (pl) | 1999-02-26 |
| ZA949249B (en) | 1995-08-01 |
| PE45795A1 (es) | 1995-12-28 |
| BR9408252A (pt) | 1997-05-27 |
| KR960706754A (ko) | 1996-12-09 |
| CZ155996A3 (en) | 1996-11-13 |
| CN1167558A (zh) | 1997-12-10 |
| PL314727A1 (en) | 1996-09-16 |
| CO4290468A1 (es) | 1996-04-17 |
| HU9601383D0 (en) | 1996-07-29 |
| TW238444B (en) | 1995-01-11 |
| EP0733296A1 (de) | 1996-09-25 |
| HUT75276A (en) | 1997-05-28 |
| IL111638A0 (en) | 1995-01-24 |
| AU1102195A (en) | 1995-06-27 |
| WO1995016328A1 (en) | 1995-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| MM9K | Patent not in force due to non-payment of renewal fees |