DE20209528U1 - Communications network optical transfer switch detects traffic gaps - Google Patents

Communications network optical transfer switch detects traffic gaps

Info

Publication number
DE20209528U1
DE20209528U1 DE20209528U DE20209528U DE20209528U1 DE 20209528 U1 DE20209528 U1 DE 20209528U1 DE 20209528 U DE20209528 U DE 20209528U DE 20209528 U DE20209528 U DE 20209528U DE 20209528 U1 DE20209528 U1 DE 20209528U1
Authority
DE
Germany
Prior art keywords
optical
wavelength division
over
traffic
division multiplexing
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.)
Expired - Lifetime
Application number
DE20209528U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ECI Telecom Ltd
Original Assignee
Lightscape Networks Ltd
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 Lightscape Networks Ltd filed Critical Lightscape Networks Ltd
Publication of DE20209528U1 publication Critical patent/DE20209528U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A communications network optical transfer switch detects traffic and switches it to a second network when a gap exceeding a specified time interval occurs.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Kommunikationsvorrichtung, mit
einem zum Ableiten von Verkehr von einer ersten opti­ schen Strecke zu einer zweiten optischen Strecke betreibba­ ren Schalter;
einem Detektor zur Erfassung eingehenden Verkehrs; und
einer Verarbeitungseinrichtung, die in der Lage ist zu ermitteln, dass während einer Zeitdauer von ungefähr 10 msec bis ungefähr 50 msec kein Verkehr über die erste opti­ sche Strecke empfangen wurde.1. Communication device, with
a switch operable to derive traffic from a first optical link to a second optical link;
an incoming traffic detector; and
a processing device capable of determining that no traffic was received over the first optical route for a period of approximately 10 msec to approximately 50 msec. 2. Kommunikationsvorrichtung nach Anspruch 1, mit einer Steuereinrichtung, die als Reaktion auf eine von der Verar­ beitungseinrichtung vorgenommene Ermittlung, dass während der vorbestimmten Zeitdauer kein Verkehr über die erste op­ tische Strecke empfangen wurde, in der Lage ist, die Steue­ rung des Schaltvorgangs zur Ableitung von Verkehr zu bewir­ ken.2. Communication device according to claim 1, with a Control device in response to one of the verar processing facility determined that during the predetermined period of time no traffic over the first op table route has been received, is able to control the switching process to derive traffic ken. 3. Netzwerkelement, mit
einer Vielzahl von optischen Übertragungseinrichtun­ gen;
einer Wellenlängenmultiplexeinrichtung, die von der Vielzahl von optischen Übertragungseinrichtungen über eine Vielzahl von optischen Kanälen Ausgaben empfängt;
einer Wellenlängendemultiplexeinrichtung, die dazu in der Lage ist, von einer Wellenlängenmultiplexeinrichtung über die erste optische Strecke eine Eingabe zu empfangen;
einer Vielzahl von optischen Empfangseinrichtungen, von denen jede eine Eingabe von der Wellenlängendemultiple­ xeinrichtung empfängt;
einer Erfassungseinrichtung zur Erfassung eines Si­ gnalverlustes entlang der ersten optischen Strecke;
einer zweiten Schalteinrichtung, die in der Lage ist, der Wellenlängendemultiplexeinrichtung zu ermöglichen, eine Eingabe von der Wellenlängenmultiplexeinrichtung über die zweite optische Strecke ansprechend auf eine Erfassung ei­ nes Signalverlusts entlang der ersten optischen Strecke zu empfangen; und
einer Kommunikationsvorrichtung nach dem Anspruch 1 und 2.3. Network element, with
a variety of optical transmission facilities;
a wavelength division multiplexing device that receives outputs from the plurality of optical transmission devices over a plurality of optical channels;
a wavelength division multiplexer capable of receiving input from a wavelength division multiplexer over the first optical path;
a plurality of optical receiving devices, each receiving an input from the wavelength multiple device;
a detection device for detecting a signal loss along the first optical path;
second switching means capable of enabling the wavelength division multiplexing device to receive input from the wavelength division multiplexing device over the second optical path in response to detection of signal loss along the first optical path; and
a communication device according to claims 1 and 2. 4. Netzwerkelement nach Anspruch 3, wobei die Erfassungs­ einrichtung umfasst:
einen Detektor, der zur Erfassung der von jeder der optischen Empfangseinrichtungen empfangenen Energie in der Lage ist; und
eine Ermittlungseinrichtung zur Ermittlung, ob die Energie von der Wellenlängendemultiplexeinrichtung empfan­ genen Eingabe einen vorher festgelegten Schwellenwert über­ schreitet.4. Network element according to claim 3, wherein the detection device comprises:
a detector capable of detecting the energy received from each of the optical receiving devices; and
determining means for determining whether the input received from the wavelength division multiplexing means exceeds a predetermined threshold.
DE20209528U 2001-11-29 2002-06-19 Communications network optical transfer switch detects traffic gaps Expired - Lifetime DE20209528U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL14682201A IL146822A0 (en) 2001-11-29 2001-11-29 Method and device for expanding communication networks

Publications (1)

Publication Number Publication Date
DE20209528U1 true DE20209528U1 (en) 2003-01-02

Family

ID=11075884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20209528U Expired - Lifetime DE20209528U1 (en) 2001-11-29 2002-06-19 Communications network optical transfer switch detects traffic gaps

Country Status (2)

Country Link
DE (1) DE20209528U1 (en)
IL (1) IL146822A0 (en)

Also Published As

Publication number Publication date
IL146822A0 (en) 2002-07-25

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030206

R163 Identified publications notified

Effective date: 20030616

R081 Change of applicant/patentee

Owner name: ECI TELECOM LTD., IL

Free format text: FORMER OWNER: LIGHTSCAPE NETWORKS LTD., PETACH TIKVA, IL

Effective date: 20030714

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050627

R157 Lapse of ip right after 6 years

Effective date: 20090101