JPS5289019A - Circuit supervising system - Google Patents

Circuit supervising system

Info

Publication number
JPS5289019A
JPS5289019A JP532576A JP532576A JPS5289019A JP S5289019 A JPS5289019 A JP S5289019A JP 532576 A JP532576 A JP 532576A JP 532576 A JP532576 A JP 532576A JP S5289019 A JPS5289019 A JP S5289019A
Authority
JP
Japan
Prior art keywords
circuit
supervising system
circuit supervising
getting
simplify
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
JP532576A
Other languages
Japanese (ja)
Other versions
JPS5828940B2 (en
Inventor
Tadao Shimamura
Masatoshi Murakami
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP51005325A priority Critical patent/JPS5828940B2/en
Publication of JPS5289019A publication Critical patent/JPS5289019A/en
Publication of JPS5828940B2 publication Critical patent/JPS5828940B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/14Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To simplify the device constitution of circuit supervising changing system by getting the possibility of the error rate supervision of circuit discrimination and transmission road code, without frequency converting.
JP51005325A 1976-01-20 1976-01-20 Line monitoring method Expired JPS5828940B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51005325A JPS5828940B2 (en) 1976-01-20 1976-01-20 Line monitoring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51005325A JPS5828940B2 (en) 1976-01-20 1976-01-20 Line monitoring method

Publications (2)

Publication Number Publication Date
JPS5289019A true JPS5289019A (en) 1977-07-26
JPS5828940B2 JPS5828940B2 (en) 1983-06-18

Family

ID=11608083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51005325A Expired JPS5828940B2 (en) 1976-01-20 1976-01-20 Line monitoring method

Country Status (1)

Country Link
JP (1) JPS5828940B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520039A (en) * 1978-07-31 1980-02-13 Fujitsu Ltd Slave station deciding system for multi-direction digital communication network
JPS59141897A (en) * 1983-02-02 1984-08-14 Fujitsu Ltd Processing system of signal bit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520039A (en) * 1978-07-31 1980-02-13 Fujitsu Ltd Slave station deciding system for multi-direction digital communication network
JPS6159020B2 (en) * 1978-07-31 1986-12-15 Fujitsu Ltd
JPS59141897A (en) * 1983-02-02 1984-08-14 Fujitsu Ltd Processing system of signal bit
JPH0544240B2 (en) * 1983-02-02 1993-07-05 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS5828940B2 (en) 1983-06-18

Similar Documents

Publication Publication Date Title
JPS5289019A (en) Circuit supervising system
JPS5375804A (en) Individual selective calling device
JPS52149934A (en) Cyclic code arithmetic circuit
JPS5373019A (en) Signal detection system
JPS5336104A (en) Trouble discrimination equipment in loop-type data transmission system
JPS53148246A (en) Remote-processing input-output system
JPS5422103A (en) Transmisson-reception switch control system for semidouble communication
JPS5379404A (en) Transmission device of individual selective calling signal
JPS52126112A (en) Interruption communication system of radio circuit
JPS51132903A (en) Light transmission apparatus
JPS5360104A (en) Loop-type data highway system
JPS52108702A (en) Code transmission device
JPS52104001A (en) Secret communication system
JPS5337308A (en) Line monitor system
JPS52109311A (en) Communication monitoring system
JPS5434261A (en) Telemeter monitoring system
JPS5357909A (en) Signal transmission system
JPS52126103A (en) Communication method
JPS5381003A (en) In-band signal system
JPS5398704A (en) Optical multiplex transmission system
JPS5351905A (en) Loop communication system
JPS52146102A (en) Terminal equipment in a simple data communicating system
JPS5228214A (en) Pulse transmission system
JPS5228213A (en) Pulse transmission system
JPS53143118A (en) Caty system