JPH0310261B2 - - Google Patents

Info

Publication number
JPH0310261B2
JPH0310261B2 JP9414184A JP9414184A JPH0310261B2 JP H0310261 B2 JPH0310261 B2 JP H0310261B2 JP 9414184 A JP9414184 A JP 9414184A JP 9414184 A JP9414184 A JP 9414184A JP H0310261 B2 JPH0310261 B2 JP H0310261B2
Authority
JP
Japan
Prior art keywords
optical
signal
wavelength
output
electrical
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
JP9414184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60237736A (ja
Inventor
Kaoru Fukushima
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59094141A priority Critical patent/JPS60237736A/ja
Publication of JPS60237736A publication Critical patent/JPS60237736A/ja
Publication of JPH0310261B2 publication Critical patent/JPH0310261B2/ja
Granted 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP59094141A 1984-05-11 1984-05-11 光信号折り返し回路 Granted JPS60237736A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59094141A JPS60237736A (ja) 1984-05-11 1984-05-11 光信号折り返し回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59094141A JPS60237736A (ja) 1984-05-11 1984-05-11 光信号折り返し回路

Publications (2)

Publication Number Publication Date
JPS60237736A JPS60237736A (ja) 1985-11-26
JPH0310261B2 true JPH0310261B2 (enrdf_load_stackoverflow) 1991-02-13

Family

ID=14102102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59094141A Granted JPS60237736A (ja) 1984-05-11 1984-05-11 光信号折り返し回路

Country Status (1)

Country Link
JP (1) JPS60237736A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879763A (en) * 1986-02-21 1989-11-07 AT&T Bell Laboratories American Telephone and Telegraph Company Optical fiber bidirectional transmission system
JP2512770B2 (ja) * 1987-10-27 1996-07-03 富士通株式会社 波長多重光通信装置
GB2425904A (en) 2005-05-03 2006-11-08 Marconi Comm Gmbh Optical network fault test apparatus which modifies a received test signal using a passive optical device to generate a response signal

Also Published As

Publication number Publication date
JPS60237736A (ja) 1985-11-26

Similar Documents

Publication Publication Date Title
US5119223A (en) Bidirectional light waveguide (LWG) telecommunication system and method for wavelength separation mode (bidirectional wavelength separation mode (WDM) between a central telecommunication location and plurality of decentralized telecommunication locations
MXPA04010689A (es) Metodo de acceso y sistema de conexion mediante fibra optica utilizando tecnicas hibridas dwdm/scm entre estaciones base y antenas remotas en un sistema de radiocomunicaciones.
SE9701834D0 (sv) An add and drop node for optical communication systems
US5189544A (en) Bidirectional light waveguide telecommunication system
US7016609B2 (en) Receiver transponder for protected networks
CN110061798A (zh) 波分复用光传输设备、系统及实现方法
JP2001251252A (ja) 光アクセス網、幹線ノード装置及び支線ノード装置
JPH0310261B2 (enrdf_load_stackoverflow)
US20050259988A1 (en) Bi-directional optical access network
JPH01114128A (ja) 波長多重光通信装置
JP3022359B2 (ja) 光分波合波装置
CN1787417B (zh) 一种用于波分复用系统的光转发装置
JPS6281136A (ja) 波長多重光受信装置
JP3568878B2 (ja) 光通信方法
JPH07121140B2 (ja) 波長多重光交換回路
JPS6139777B2 (enrdf_load_stackoverflow)
US20240179439A1 (en) Optical node device, optical communication system, and wavelength conversion circuit
EP4553552A1 (en) Optical distribution apparatus, optical distribution network unit, and network system
JPH0119778B2 (enrdf_load_stackoverflow)
JPS63105539A (ja) 光加入者端末
JPH01129541A (ja) 光通信装置
JP2001007767A (ja) 光通信システム、光受信器および光通信方法
JPS63148726A (ja) 波長分割多重双方向光通信装置
JPS622737B2 (enrdf_load_stackoverflow)
KR100572422B1 (ko) 광전송 시스템용 변／복조 장치