JPS6343010B2 - - Google Patents

Info

Publication number
JPS6343010B2
JPS6343010B2 JP57088375A JP8837582A JPS6343010B2 JP S6343010 B2 JPS6343010 B2 JP S6343010B2 JP 57088375 A JP57088375 A JP 57088375A JP 8837582 A JP8837582 A JP 8837582A JP S6343010 B2 JPS6343010 B2 JP S6343010B2
Authority
JP
Japan
Prior art keywords
circuit
optical
switching
signal
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
Application number
JP57088375A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58205340A (ja
Inventor
Kazuhiro Juki
Shigeaki Saito
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 JP57088375A priority Critical patent/JPS58205340A/ja
Publication of JPS58205340A publication Critical patent/JPS58205340A/ja
Publication of JPS6343010B2 publication Critical patent/JPS6343010B2/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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Optical Communication System (AREA)
JP57088375A 1982-05-25 1982-05-25 光出力信号切換回路 Granted JPS58205340A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57088375A JPS58205340A (ja) 1982-05-25 1982-05-25 光出力信号切換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57088375A JPS58205340A (ja) 1982-05-25 1982-05-25 光出力信号切換回路

Publications (2)

Publication Number Publication Date
JPS58205340A JPS58205340A (ja) 1983-11-30
JPS6343010B2 true JPS6343010B2 (OSRAM) 1988-08-26

Family

ID=13941041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57088375A Granted JPS58205340A (ja) 1982-05-25 1982-05-25 光出力信号切換回路

Country Status (1)

Country Link
JP (1) JPS58205340A (OSRAM)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271103A (en) * 1975-12-10 1977-06-14 Nec Corp Changeover device without cutoff of radiotelegraphic apparatus
JPS5463603A (en) * 1977-10-29 1979-05-22 Fujitsu Ltd Supervisory control system in luminous source double constitution
JPS5765932A (en) * 1980-10-09 1982-04-21 Fujitsu Ltd Switching system

Also Published As

Publication number Publication date
JPS58205340A (ja) 1983-11-30

Similar Documents

Publication Publication Date Title
JPS60254928A (ja) セツト・スタンバイ通信方式
US9008500B2 (en) Protection system, method and apparatus for optical network
JP4017395B2 (ja) 混合光学ｗｄｍシステムの保護
JPS6343010B2 (OSRAM)
CN110690919B (zh) 光转换单元、光网络设备、信号处理方法及存储介质
JPS5827704B2 (ja) 光伝送路を用いたデ−タ伝送システム
JPS6028420B2 (ja) 半導体レ−ザ切換方式
JPS6349413B2 (OSRAM)
SU656152A1 (ru) Устройство дл разгрузки района электрической сети
KR100288192B1 (ko) 위성통신용 변조기의 이중화 제어장치
KR930010275B1 (ko) 루우프 형상 광데이터 전송장치 및 그 분기중계기
SU1605246A1 (ru) Устройство дл сопр жени электронного модул с линией св зи
SU1396288A1 (ru) Устройство дл резервировани каналов в тракте передачи данных
JPS6316193Y2 (OSRAM)
JPS6357973B2 (OSRAM)
JPH0297150A (ja) 光ループ式伝送路のバイパス方式
JP3339464B2 (ja) 光出力試験回路
JPH01192231A (ja) 外部変調器を備えた光送信装置
JPS6310919A (ja) ホツトスタンバイ切替方式
JPS6384330A (ja) 自動光スイツチ
JPS611123A (ja) 送信切替回路
JPS62213401A (ja) マイクロ波切替装置
JPS55161431A (en) Carrier wave current source switching circuit
JPS5758419A (en) Uninterruptible transmission line switching system
JPS5868336A (ja) 光源切替方式