DK0503486T3 - Ledningsovervågning til SDH-signaler - Google Patents

Ledningsovervågning til SDH-signaler

Info

Publication number
DK0503486T3
DK0503486T3 DK92103815T DK92103815T DK0503486T3 DK 0503486 T3 DK0503486 T3 DK 0503486T3 DK 92103815 T DK92103815 T DK 92103815T DK 92103815 T DK92103815 T DK 92103815T DK 0503486 T3 DK0503486 T3 DK 0503486T3
Authority
DK
Denmark
Prior art keywords
error probability
transmission error
repeater
signal
sdh
Prior art date
Application number
DK92103815T
Other languages
English (en)
Inventor
Hartmut Borschel
Gerhard Elze
Klaus-Peter Gbur
Original Assignee
Cit Alcatel
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of DK0503486T3 publication Critical patent/DK0503486T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • 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
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DK92103815T 1991-03-14 1992-03-06 Ledningsovervågning til SDH-signaler DK0503486T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4108230A DE4108230A1 (de) 1991-03-14 1991-03-14 Leitungsueberwachung fuer sdh-signale

Publications (1)

Publication Number Publication Date
DK0503486T3 true DK0503486T3 (da) 1999-06-14

Family

ID=6427258

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92103815T DK0503486T3 (da) 1991-03-14 1992-03-06 Ledningsovervågning til SDH-signaler

Country Status (9)

Country Link
US (1) US5432796A (da)
EP (1) EP0503486B1 (da)
AT (1) ATE171578T1 (da)
AU (1) AU657305B2 (da)
CA (1) CA2063001C (da)
DE (2) DE4108230A1 (da)
DK (1) DK0503486T3 (da)
ES (1) ES2124709T3 (da)
NZ (1) NZ241948A (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98170C (fi) * 1992-12-02 1997-04-25 Nokia Telecommunications Oy Menetelmä synkronisessa digitaalisessa tietoliikennejärjestelmässä käytettävän verkkoelementin testaamiseksi
JP2897099B2 (ja) * 1993-09-20 1999-05-31 富士通株式会社 タンデム・コネクション・メインテナンス方式
DE4442506A1 (de) * 1994-11-30 1996-06-05 Sel Alcatel Ag Synchronisierungsüberachung in einem Netzwerk
US5572515A (en) * 1994-12-28 1996-11-05 Tektronix, Inc. Sonet/SDH signal recognition and selection
FR2734438B1 (fr) * 1995-05-18 1997-08-01 Optran Technologies Dispositif de transfert d'informations entre deux signaux numeriques et generateur de signaux utilisant un tel dispositif de transfert d'informations
FR2738433B1 (fr) * 1995-08-30 1997-11-14 Trt Telecom Radio Electr Systeme de transmission comportant un circuit de test
DE19653260A1 (de) * 1996-12-20 1998-06-25 Alsthom Cge Alcatel Verfahren zur In-Betrieb-Überwachung eines Digitalübertragungssystems
US6104702A (en) * 1998-03-06 2000-08-15 Lucent Technologies Inc. Apparatus and method for extending operation of non-intrusive monitors in SDH
JP3123975B2 (ja) * 1998-04-23 2001-01-15 埼玉日本電気株式会社 ビット誤り率測定方法および測定回路ならびに受信装置
WO2000038362A1 (de) * 1998-12-22 2000-06-29 Siemens Aktiengesellschaft Verfahren zur übertragung von daten in rahmen zwischen datenübertragungseintheiten
IT1314145B1 (it) * 1999-12-21 2002-12-04 Cit Alcatel Metodo e dispositivo per convertire un segnale stm-1 in un segnale sub-stm-1 e vice-versa in trasmissioni radio
EP3493433A1 (en) * 2007-01-17 2019-06-05 Nippon Telegraph and Telephone Corporation Digital transmission system and digital transmission method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725812A (en) * 1984-06-04 1988-02-16 Siemens Aktiengesellschaft Circuit arrangement for identifying specific bit patterns, particularly bit patterns forming synchronization signals and check loop signals and appearing as serial binary signals
JPS61230451A (ja) * 1985-04-04 1986-10-14 Nec Corp デ−タ伝送方式
US4896317A (en) * 1987-02-20 1990-01-23 Fujitsu Limited Supervisory system for a primary group digital transmission line
DE3851840D1 (de) * 1988-12-23 1994-11-17 Siemens Ag Verfahren zur individuellen Überwachung von Übertragungsabschnitten einer Nachrichtenübertragungsstrecke und Vorrichtung zur Durchführung des Verfahrens.
US5177742A (en) * 1989-03-04 1993-01-05 U.S. Philips Corporation Demultiplexer for a serial and isochronous multiplex signal
ES2054909T3 (es) * 1989-03-22 1994-08-16 Siemens Ag Procedimiento para el control de calidad al menos de dos secciones de transmision de un trayecto de transmision de señales digitales y dispositivo para la realizacion del procedimiento.

Also Published As

Publication number Publication date
DE59209502D1 (de) 1998-10-29
US5432796A (en) 1995-07-11
EP0503486B1 (de) 1998-09-23
EP0503486A2 (de) 1992-09-16
CA2063001C (en) 1996-12-31
ATE171578T1 (de) 1998-10-15
NZ241948A (en) 1994-10-26
EP0503486A3 (en) 1993-03-03
ES2124709T3 (es) 1999-02-16
AU657305B2 (en) 1995-03-09
CA2063001A1 (en) 1992-09-15
AU1211292A (en) 1992-09-17
DE4108230A1 (de) 1992-09-17

Similar Documents

Publication Publication Date Title
US6810046B2 (en) Method of communicating data in communication systems
DK0503486T3 (da) Ledningsovervågning til SDH-signaler
AU599537B2 (en) Method for generating an alarm indication signal (ais)
US20040096220A1 (en) Optical transmisssion system and optical transmission device
ATE12153T1 (de) Dienstintegriertes digitales uebertragungssystem.
EP0835005B1 (en) Optical repeater and optical transmission system
EP1004175B1 (en) A method and an amplifier unit for the transmission of data signals via an optical fibre
ES8404591A1 (es) Una instalacion de transmision simultanea digital de cuarto orden.
DE69119763D1 (de) Fehlersignalisierung in einer optischen übertragungsverbindung
JP3435700B2 (ja) 光増幅中継器を用いたネットワークにおける警報および命令の伝達方法
US4616361A (en) Digital signal and multiplex device
JPS55105454A (en) End office repeater for optical fiber data way
US7251257B2 (en) Method and system for transmitting quality criteria of a synchronous network hierarchy
KR920009154B1 (ko) 광 전송장치의 절체 제어데이터 송수신 회로 및 방법
ATE142392T1 (de) Zwischenstelle in einer nachrichtenübertragungsstrecke
JPS55156436A (en) Data transmission system using light transmission line
KR20000028205A (ko) 전송장치에서 선로절체 방법
Giehmann et al. Field trial of OAM-signal transport capabilities with a 10 Mchip/s LED-direct sequence spread spectrum system suited for OAM-signal-transport in transparent optical WDM-networks
AU668580B2 (en) Method for insertion of auxiliary data into digital frames of plesiochronous or synchronous networks
FR2450539A1 (fr) Multiplexeur temporel
Beard High capacity optical systems for trunk networks
JPH04294647A (ja) 光増幅中継伝送装置
JPS61210733A (ja) 光ケ−ブル監視装置
KR950022347A (ko) 디지탈 전송장치의 서비스 채널용 클럭 선택 장치
JP2000004207A (ja) 時分割多重伝送方法及び装置