JPS53144204A - Transmitting system for optical communication circuit monitor/order signal - Google Patents

Transmitting system for optical communication circuit monitor/order signal

Info

Publication number
JPS53144204A
JPS53144204A JP5897477A JP5897477A JPS53144204A JP S53144204 A JPS53144204 A JP S53144204A JP 5897477 A JP5897477 A JP 5897477A JP 5897477 A JP5897477 A JP 5897477A JP S53144204 A JPS53144204 A JP S53144204A
Authority
JP
Japan
Prior art keywords
optical communication
communication circuit
transmitting system
order signal
circuit monitor
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.)
Pending
Application number
JP5897477A
Other languages
Japanese (ja)
Inventor
Tadayoshi Kitayama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5897477A priority Critical patent/JPS53144204A/en
Publication of JPS53144204A publication Critical patent/JPS53144204A/en
Pending 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)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

PURPOSE:To secure a signal transmission without increasing the transmission band for the main signal by giving AM to the main signal row with the monitor/order signal.
JP5897477A 1977-05-21 1977-05-21 Transmitting system for optical communication circuit monitor/order signal Pending JPS53144204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5897477A JPS53144204A (en) 1977-05-21 1977-05-21 Transmitting system for optical communication circuit monitor/order signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5897477A JPS53144204A (en) 1977-05-21 1977-05-21 Transmitting system for optical communication circuit monitor/order signal

Publications (1)

Publication Number Publication Date
JPS53144204A true JPS53144204A (en) 1978-12-15

Family

ID=13099812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5897477A Pending JPS53144204A (en) 1977-05-21 1977-05-21 Transmitting system for optical communication circuit monitor/order signal

Country Status (1)

Country Link
JP (1) JPS53144204A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744358A (en) * 1980-06-16 1982-03-12 Post Office Method and device for monitoring digital transmission system
JPS57193146A (en) * 1981-05-23 1982-11-27 Nec Corp Monitoring system for relay station

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744358A (en) * 1980-06-16 1982-03-12 Post Office Method and device for monitoring digital transmission system
JPH0459816B2 (en) * 1980-06-16 1992-09-24 Buriteitsushu Terekomyunikeeshonzu Plc
JPS57193146A (en) * 1981-05-23 1982-11-27 Nec Corp Monitoring system for relay station
JPS6328374B2 (en) * 1981-05-23 1988-06-08 Nippon Electric Co

Similar Documents

Publication Publication Date Title
JPS5439504A (en) Information communication system
JPS5336116A (en) Loop transmission system
JPS53144204A (en) Transmitting system for optical communication circuit monitor/order signal
JPS53138605A (en) Optical communication device
JPS5345249A (en) Light transmitting device
JPS53125854A (en) Optical transmission system and production therefor
JPS5314503A (en) Photo-communication system
JPS53101260A (en) Selective gate circuit
JPS5384402A (en) Multiple transmission system using optical fiber
JPS5398704A (en) Optical multiplex transmission system
JPS5375705A (en) Transmission system for optical signal
JPS5318307A (en) Optical fiber communication system
JPS5374804A (en) Optical transmission system
JPS52104003A (en) Signal transmission apparatus
JPS51140405A (en) Light communication monitoring system
JPS5336118A (en) Loop transmission system
JPS5413202A (en) Check system for telephoe exchanging line
JPS537A (en) Multiple transmission system
JPS5412503A (en) Optical data link system
JPS533264A (en) Laser pulse transmission/reception system
JPS5310444A (en) Light branching device
JPS5241537A (en) Light transmitting cable
JPS5295107A (en) Signal transmission system
JPS53118906A (en) Scanning system
JPS5434601A (en) Optical transmission system