SG44787A1 - Method and apparatus for the monitoring and demarcation of synchronous optical network - Google Patents
Method and apparatus for the monitoring and demarcation of synchronous optical networkInfo
- Publication number
- SG44787A1 SG44787A1 SG1996007650A SG1996007650A SG44787A1 SG 44787 A1 SG44787 A1 SG 44787A1 SG 1996007650 A SG1996007650 A SG 1996007650A SG 1996007650 A SG1996007650 A SG 1996007650A SG 44787 A1 SG44787 A1 SG 44787A1
- Authority
- SG
- Singapore
- Prior art keywords
- optical network
- synchronous optical
- overhead
- facility
- demarcation
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 230000001360 synchronised effect Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000012544 monitoring process Methods 0.000 title abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0046—User Network Interface
- H04J2203/0048—Network termination, e.g. NT1, NT2, PBX
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Optical Communication System (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/108,338 US5355238A (en) | 1993-08-18 | 1993-08-18 | Method and apparatus for the monitoring and demarcation of synchronous optical networks |
Publications (1)
Publication Number | Publication Date |
---|---|
SG44787A1 true SG44787A1 (en) | 1997-12-19 |
Family
ID=22321631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996007650A SG44787A1 (en) | 1993-08-18 | 1994-06-10 | Method and apparatus for the monitoring and demarcation of synchronous optical network |
Country Status (17)
Country | Link |
---|---|
US (1) | US5355238A (no) |
EP (1) | EP0714574B1 (no) |
JP (1) | JPH09502312A (no) |
CN (1) | CN1129502A (no) |
AT (1) | ATE186802T1 (no) |
AU (1) | AU7172494A (no) |
BR (1) | BR9407307A (no) |
CA (1) | CA2168955C (no) |
DE (1) | DE69421707T2 (no) |
FI (1) | FI960724A0 (no) |
GB (1) | GB2290008B (no) |
NO (1) | NO960624L (no) |
NZ (1) | NZ268496A (no) |
PL (1) | PL313083A1 (no) |
SG (1) | SG44787A1 (no) |
TW (1) | TW362317B (no) |
WO (1) | WO1995005710A1 (no) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5623357A (en) * | 1993-08-18 | 1997-04-22 | Grc International, Inc. | Method and apparatus for the monitoring and demarcation of synchronous digital hierarchy networks |
US5526283A (en) * | 1994-01-26 | 1996-06-11 | International Business Machines Corporation | Realtime high speed data capture in response to an event |
US5534913A (en) * | 1994-03-31 | 1996-07-09 | At&T Corp. | Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carrier by other media |
US5923653A (en) * | 1995-04-21 | 1999-07-13 | Tektronix, Inc. | SONET/SDH receiver processor |
US5790293A (en) * | 1995-10-27 | 1998-08-04 | Lucent Technologies Inc. | Systems for monitoring optical path characteristics in an optical communication system |
US5760940A (en) * | 1995-10-27 | 1998-06-02 | Lucent Technologies Inc. | Methods for monitoring optical path characteristics in an optical communication system |
US5805571A (en) * | 1996-03-19 | 1998-09-08 | Zwan; Bryan J. | Dynamic communication line analyzer apparatus and method |
US5970199A (en) * | 1996-12-11 | 1999-10-19 | Act Communications, Inc. | Frame for supporting fiber optic cable splices |
JP3765899B2 (ja) * | 1997-01-27 | 2006-04-12 | 富士通株式会社 | 伝送装置 |
US6226788B1 (en) * | 1998-07-22 | 2001-05-01 | Cisco Technology, Inc. | Extensible network management system |
US7116761B2 (en) * | 1998-11-30 | 2006-10-03 | Qwest Communications International Inc. | Fiber to the curb and fiber to the neighborhood power architecture |
US6571030B1 (en) | 1999-11-02 | 2003-05-27 | Xros, Inc. | Optical cross-connect switching system |
US6597826B1 (en) | 1999-11-02 | 2003-07-22 | Xros, Inc. | Optical cross-connect switching system with bridging, test access and redundancy |
US6882765B1 (en) | 1999-11-02 | 2005-04-19 | Xros, Inc. | Connection protection between clients and optical cross-connect switches |
US6792174B1 (en) | 1999-11-02 | 2004-09-14 | Nortel Networks Limited | Method and apparatus for signaling between an optical cross-connect switch and attached network equipment |
US6650803B1 (en) | 1999-11-02 | 2003-11-18 | Xros, Inc. | Method and apparatus for optical to electrical to optical conversion in an optical cross-connect switch |
ATE422746T1 (de) * | 2000-06-14 | 2009-02-15 | Vitesse Semiconductor Corp | Transparent-transport-overhead-abbildung |
US6981228B1 (en) * | 2000-09-29 | 2005-12-27 | Sbc Technology Resources, Inc. | Interactive topology graphs for visualization and characterization of SONET consumption patterns |
US6580731B1 (en) * | 2001-05-18 | 2003-06-17 | Network Elements, Inc. | Multi-stage SONET overhead processing |
US7075953B2 (en) * | 2001-07-30 | 2006-07-11 | Network-Elements, Inc. | Programmable SONET framing |
US20030174739A1 (en) * | 2002-03-12 | 2003-09-18 | Gagnon Ronald J. | Termination equipment with an overhead processor programmable to pass through proprietary usage data in selected overhead data slots |
CN100336340C (zh) * | 2003-06-24 | 2007-09-05 | 中兴通讯股份有限公司 | 传输设备多通道网管装置及方法 |
US7302364B2 (en) * | 2004-07-30 | 2007-11-27 | The Boeing Company | Methods and systems for advanced spaceport information management |
US20070147259A1 (en) * | 2005-12-23 | 2007-06-28 | Sbc Knowledge Ventures, L.P. | Synchronous optical network (SONET) demarcation device |
CN101887407B (zh) * | 2010-07-16 | 2012-12-12 | 哈尔滨工业大学 | 一种基于希尔伯特-黄变换的设备或系统机内测试信号特征提取方法 |
US9819436B2 (en) | 2013-08-26 | 2017-11-14 | Coriant Operations, Inc. | Intranodal ROADM fiber management apparatuses, systems, and methods |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449247A (en) * | 1980-07-30 | 1984-05-15 | Harris Corporation | Local orderwire facility for fiber optic communication system |
US5247518A (en) * | 1988-09-02 | 1993-09-21 | Hitachi, Ltd. | High-speed ring lan system |
US4924460A (en) * | 1988-10-05 | 1990-05-08 | Pacific Bell | Office control unit apparatus for use in a digital network |
US5142529A (en) * | 1988-12-09 | 1992-08-25 | Transwitch Corporation | Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency |
US5185736A (en) * | 1989-05-12 | 1993-02-09 | Alcatel Na Network Systems Corp. | Synchronous optical transmission system |
US5150243A (en) * | 1989-06-12 | 1992-09-22 | Fujitsu Limited | Method and apparatus for monitoring an optical network interface |
US5189410A (en) * | 1989-12-28 | 1993-02-23 | Fujitsu Limited | Digital cross connect system |
-
1993
- 1993-08-18 US US08/108,338 patent/US5355238A/en not_active Expired - Lifetime
-
1994
- 1994-06-10 AU AU71724/94A patent/AU7172494A/en not_active Abandoned
- 1994-06-10 SG SG1996007650A patent/SG44787A1/en unknown
- 1994-06-10 CN CN94193132A patent/CN1129502A/zh active Pending
- 1994-06-10 NZ NZ268496A patent/NZ268496A/en unknown
- 1994-06-10 EP EP94920726A patent/EP0714574B1/en not_active Expired - Lifetime
- 1994-06-10 WO PCT/US1994/006632 patent/WO1995005710A1/en active IP Right Grant
- 1994-06-10 JP JP7506932A patent/JPH09502312A/ja not_active Ceased
- 1994-06-10 CA CA002168955A patent/CA2168955C/en not_active Expired - Lifetime
- 1994-06-10 AT AT94920726T patent/ATE186802T1/de not_active IP Right Cessation
- 1994-06-10 PL PL94313083A patent/PL313083A1/xx unknown
- 1994-06-10 DE DE69421707T patent/DE69421707T2/de not_active Expired - Fee Related
- 1994-06-10 GB GB9503534A patent/GB2290008B/en not_active Expired - Fee Related
- 1994-06-10 BR BR9407307A patent/BR9407307A/pt unknown
- 1994-07-01 TW TW083106006A patent/TW362317B/zh active
-
1996
- 1996-02-16 NO NO960624A patent/NO960624L/no unknown
- 1996-02-16 FI FI960724A patent/FI960724A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2168955A1 (en) | 1995-02-23 |
EP0714574A1 (en) | 1996-06-05 |
NO960624L (no) | 1996-02-19 |
AU7172494A (en) | 1995-03-14 |
NO960624D0 (no) | 1996-02-16 |
US5355238A (en) | 1994-10-11 |
GB2290008B (en) | 1998-03-18 |
DE69421707T2 (de) | 2000-04-27 |
TW362317B (en) | 1999-06-21 |
FI960724A (fi) | 1996-02-16 |
EP0714574B1 (en) | 1999-11-17 |
BR9407307A (pt) | 1996-10-08 |
ATE186802T1 (de) | 1999-12-15 |
GB9503534D0 (en) | 1995-04-12 |
GB2290008A (en) | 1995-12-06 |
CN1129502A (zh) | 1996-08-21 |
PL313083A1 (en) | 1996-05-27 |
WO1995005710A1 (en) | 1995-02-23 |
DE69421707D1 (de) | 1999-12-23 |
FI960724A0 (fi) | 1996-02-16 |
JPH09502312A (ja) | 1997-03-04 |
NZ268496A (en) | 1996-10-28 |
CA2168955C (en) | 2004-08-31 |
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