JPS5646388A - Test method for remote monitor control device - Google Patents

Test method for remote monitor control device

Info

Publication number
JPS5646388A
JPS5646388A JP12074579A JP12074579A JPS5646388A JP S5646388 A JPS5646388 A JP S5646388A JP 12074579 A JP12074579 A JP 12074579A JP 12074579 A JP12074579 A JP 12074579A JP S5646388 A JPS5646388 A JP S5646388A
Authority
JP
Japan
Prior art keywords
slave stations
communication
master station
test
word
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
JP12074579A
Other languages
Japanese (ja)
Other versions
JPS5938799B2 (en
Inventor
Takeshi Ito
Yasukazu Ito
Takashi Uchida
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
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 JAPANESE NATIONAL RAILWAYS<JNR>, Hitachi Ltd, Japan National Railways filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP54120745A priority Critical patent/JPS5938799B2/en
Publication of JPS5646388A publication Critical patent/JPS5646388A/en
Publication of JPS5938799B2 publication Critical patent/JPS5938799B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To make easy the test from the master station, by giving the control instruction from the master to the slave station, which makes communication among the slave stations for test, performing the communication among the slave stations for test in response of the slave station to the instruction, and monitoring the communication among the slave stations with the master station. CONSTITUTION:The master station 2 and a plurality of slave stations 3-1-3-N are connected with the transmission line 4 of loop shape, and the control table 1 is connected to the master station 2. The master station 2 and the slave stations 3-1-3-N are respectively provided with the transmission sections 2a, 3a-1-3a-N, reception sections 2b, 3b-1-3b-N and the processing sections 2c, 3c-1-3c-N. Further, to one direction of the transmission line 4, the word 10 having the data code 10F is transmitted from the synchronizing signal 10A, the slave stations 3-1- 3-N receive the word 10 and reproduce the word 10 as it is or with modification to enable to transmit it to the transmission line 4 again. Further, the communication among the slave stations for test is made with the word 10, and the communication among the slave stations can be made to monitor at the master station 2, and the normal performance of the communication of information among the slave stations can be tested.
JP54120745A 1979-09-21 1979-09-21 Test method for remote monitoring and control equipment Expired JPS5938799B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54120745A JPS5938799B2 (en) 1979-09-21 1979-09-21 Test method for remote monitoring and control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54120745A JPS5938799B2 (en) 1979-09-21 1979-09-21 Test method for remote monitoring and control equipment

Publications (2)

Publication Number Publication Date
JPS5646388A true JPS5646388A (en) 1981-04-27
JPS5938799B2 JPS5938799B2 (en) 1984-09-19

Family

ID=14793928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54120745A Expired JPS5938799B2 (en) 1979-09-21 1979-09-21 Test method for remote monitoring and control equipment

Country Status (1)

Country Link
JP (1) JPS5938799B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104196A (en) * 1988-10-13 1990-04-17 Nec Corp Remote monitoring method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104196A (en) * 1988-10-13 1990-04-17 Nec Corp Remote monitoring method

Also Published As

Publication number Publication date
JPS5938799B2 (en) 1984-09-19

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