JPS56128051A - Monitoring method of transmission system - Google Patents

Monitoring method of transmission system

Info

Publication number
JPS56128051A
JPS56128051A JP3303780A JP3303780A JPS56128051A JP S56128051 A JPS56128051 A JP S56128051A JP 3303780 A JP3303780 A JP 3303780A JP 3303780 A JP3303780 A JP 3303780A JP S56128051 A JPS56128051 A JP S56128051A
Authority
JP
Japan
Prior art keywords
station
status
command
transmission line
supervisory
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.)
Granted
Application number
JP3303780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6142465B2 (enrdf_load_stackoverflow
Inventor
Hirofumi Kira
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 JP3303780A priority Critical patent/JPS56128051A/ja
Publication of JPS56128051A publication Critical patent/JPS56128051A/ja
Publication of JPS6142465B2 publication Critical patent/JPS6142465B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
JP3303780A 1980-03-12 1980-03-12 Monitoring method of transmission system Granted JPS56128051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3303780A JPS56128051A (en) 1980-03-12 1980-03-12 Monitoring method of transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3303780A JPS56128051A (en) 1980-03-12 1980-03-12 Monitoring method of transmission system

Publications (2)

Publication Number Publication Date
JPS56128051A true JPS56128051A (en) 1981-10-07
JPS6142465B2 JPS6142465B2 (enrdf_load_stackoverflow) 1986-09-20

Family

ID=12375585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3303780A Granted JPS56128051A (en) 1980-03-12 1980-03-12 Monitoring method of transmission system

Country Status (1)

Country Link
JP (1) JPS56128051A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04154241A (ja) * 1990-10-17 1992-05-27 C Ee T V Kiban Gijutsu Kenkyusho:Kk バス形伝送システム

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0167565U (enrdf_load_stackoverflow) * 1987-10-23 1989-05-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04154241A (ja) * 1990-10-17 1992-05-27 C Ee T V Kiban Gijutsu Kenkyusho:Kk バス形伝送システム

Also Published As

Publication number Publication date
JPS6142465B2 (enrdf_load_stackoverflow) 1986-09-20

Similar Documents

Publication Publication Date Title
GB2040141A (en) Remote supervisory system
JPS56153859A (en) Pcm line switching device
JPS56128051A (en) Monitoring method of transmission system
JPS57152266A (en) Fault information system
US2314692A (en) Control system
JPS5720051A (en) Reception switching system of digital radio system
GB1397237A (en) Electrical power systems
JPS568936A (en) Supervisory system for fault of transmission line
GB252230A (en) Improvements in or relating to electric remote control systems, more particularly for use in controlling and supervising the apparatus at an electric power substation
JPS56100543A (en) Failure returning method of loop transmission line
US1714969A (en) Supervisory control system
JPS57119534A (en) Fault braketing system
JPS5779792A (en) Connecting system between remote line concentration stations
JPS6461199A (en) Data transmission system for telemeter system
US3009133A (en) Automatic changeover for carrier circuits
JPS5795744A (en) Automatic line switching device for data communication device
JPS5765940A (en) Relieving system for station down in loop transmission processing system
JPS6443041A (en) Automatic power distribution line monitoring device
JPS5715539A (en) Monitoring system for transmission system
JPS52117005A (en) Signal sending/receiving
JPS55156454A (en) Fault search system of digital transmission system
JPS6424651A (en) Faulty location detecting system for network system
JPS55154844A (en) Light-source redundancy system of light repeater
JPS62272641A (ja) 障害情報転送方式
JPS56129465A (en) Remote monitor system