NO891217D0 - Overvaaking i dupleks-transmisjonssystem basert paa galssfiber. - Google Patents

Overvaaking i dupleks-transmisjonssystem basert paa galssfiber.

Info

Publication number
NO891217D0
NO891217D0 NO891217A NO891217A NO891217D0 NO 891217 D0 NO891217 D0 NO 891217D0 NO 891217 A NO891217 A NO 891217A NO 891217 A NO891217 A NO 891217A NO 891217 D0 NO891217 D0 NO 891217D0
Authority
NO
Norway
Prior art keywords
monitoring
receiving element
transmission system
system based
signal
Prior art date
Application number
NO891217A
Other languages
English (en)
Other versions
NO891217L (no
Inventor
Augustin Fuetterer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NO891217D0 publication Critical patent/NO891217D0/no
Publication of NO891217L publication Critical patent/NO891217L/no

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Glass Compositions (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Alarm Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
NO89891217A 1988-03-22 1989-03-20 Overvaaking i dupleks-transmisjonssystem basert paa glassfiber. NO891217L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3809601 1988-03-22

Publications (2)

Publication Number Publication Date
NO891217D0 true NO891217D0 (no) 1989-03-20
NO891217L NO891217L (no) 1989-09-25

Family

ID=6350370

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89891217A NO891217L (no) 1988-03-22 1989-03-20 Overvaaking i dupleks-transmisjonssystem basert paa glassfiber.

Country Status (6)

Country Link
EP (1) EP0334192B1 (no)
AT (1) ATE80254T1 (no)
AU (1) AU612247B2 (no)
DE (1) DE58902171D1 (no)
DK (1) DK139289A (no)
NO (1) NO891217L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540046A1 (de) * 1995-10-27 1997-04-30 Asea Brown Boveri Lichtwellenleiter-Übertragungssystem
US6498663B1 (en) * 1999-09-24 2002-12-24 Scientific-Atlanta, Inc. Methods and systems for detecting optical link performance of an optical link in a hybrid fiber coaxial path

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5361779A (en) * 1978-12-07 1981-06-11 Amalgamated Wireless (Australasia) Limited Testing transmission systems
DE3472743D1 (en) * 1984-05-08 1988-08-18 Siemens Ag Error code insertion for alphabet code converters
JPS62203435A (ja) * 1986-03-03 1987-09-08 Seiko Instr & Electronics Ltd 単一伝送路双方向光通信装置

Also Published As

Publication number Publication date
DK139289A (da) 1989-09-23
DE58902171D1 (de) 1992-10-08
AU3157089A (en) 1989-09-28
NO891217L (no) 1989-09-25
EP0334192A1 (de) 1989-09-27
DK139289D0 (da) 1989-03-21
EP0334192B1 (de) 1992-09-02
AU612247B2 (en) 1991-07-04
ATE80254T1 (de) 1992-09-15

Similar Documents

Publication Publication Date Title
CA1276236C (en) Fault direction in an optical communications system
JPS62203435A (ja) 単一伝送路双方向光通信装置
EP0361368A3 (en) Light signal transmission system
US4333178A (en) Optical fiber repeater
US5130836A (en) Optical transceiver
NO891217D0 (no) Overvaaking i dupleks-transmisjonssystem basert paa galssfiber.
EP0905924A3 (en) Spatial transmission optical transceiver
GB2253533B (en) Optical transmission monitoring
GB2131248A (en) Test equipment for testing an optical fibre transmission line
JPH0797761B2 (ja) 光伝送方式
JPH0124455B2 (no)
GB2087679A (en) Optical transmission loop systems
JPH02113736A (ja) 双方向光伝送装置の光断検出装置
JPS61170153A (ja) 単線双方向光通信装置
DE3278051D1 (en) Data processing system having error checking capability
JPS57141150A (en) Parallel optical transmission system
JPS626135A (ja) 光伝送ラインの断線検出方法
JPH025641A (ja) 同一波長双方向伝送方式
JP2550878B2 (ja) 光送受信回路
JPH01238330A (ja) 光伝送装置
KR200180134Y1 (ko) 교환기에서의 광 정합 링크 장치
JP2817116B2 (ja) 通信インターフェース装置及び光通信ネットワーク
JP3014602B2 (ja) 光伝送システムの伝送路監視方法
GB2069261A (en) Fibre optic signalling
JPS57141149A (en) Parallel optical transmiision system