JPS5675748A - Data transmission method for multiloop transmission device - Google Patents

Data transmission method for multiloop transmission device

Info

Publication number
JPS5675748A
JPS5675748A JP15201879A JP15201879A JPS5675748A JP S5675748 A JPS5675748 A JP S5675748A JP 15201879 A JP15201879 A JP 15201879A JP 15201879 A JP15201879 A JP 15201879A JP S5675748 A JPS5675748 A JP S5675748A
Authority
JP
Japan
Prior art keywords
loop
transmission
station
loops
frame
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
JP15201879A
Other languages
Japanese (ja)
Other versions
JPS5910104B2 (en
Inventor
Yoshio Sashita
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15201879A priority Critical patent/JPS5910104B2/en
Publication of JPS5675748A publication Critical patent/JPS5675748A/en
Publication of JPS5910104B2 publication Critical patent/JPS5910104B2/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]
    • H04L12/46—Interconnection of networks
    • H04L12/4637—Interconnected ring systems

Landscapes

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

Abstract

PURPOSE:To make easy the transmission processing at coupled station, by including the number of total loops to be passed through and that of transmitted loops in the transmission frame. CONSTITUTION:The total loop number LN to be passed through and the loop number to be transmitted are included in the content of the transmission frame among a plurality of loops 40-43. The loop number LC is increased by one after the transmission of one loop is finished. Further, in transmitting data from the process controller 20 to the device 25, LN=3 and LC=1 are taken. Since the loop number of the reception frame is LN LC in stations 33, 34, transmission is made to the next loop according to the address of the secondary station on each loop respectively. Since LC=LN in the loop 42, this loop is the final loop and the station 55 returns the response frame. With this method, the transmitting processing at the coupled station is made easy and the transmission time is reduced.
JP15201879A 1979-11-26 1979-11-26 Data transmission method for multiple loop transmission equipment Expired JPS5910104B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15201879A JPS5910104B2 (en) 1979-11-26 1979-11-26 Data transmission method for multiple loop transmission equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15201879A JPS5910104B2 (en) 1979-11-26 1979-11-26 Data transmission method for multiple loop transmission equipment

Publications (2)

Publication Number Publication Date
JPS5675748A true JPS5675748A (en) 1981-06-23
JPS5910104B2 JPS5910104B2 (en) 1984-03-07

Family

ID=15531252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15201879A Expired JPS5910104B2 (en) 1979-11-26 1979-11-26 Data transmission method for multiple loop transmission equipment

Country Status (1)

Country Link
JP (1) JPS5910104B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60264142A (en) * 1984-06-04 1985-12-27 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Route designating method
JPS61212941A (en) * 1985-03-18 1986-09-20 Shinryo Air Conditioning Co Ltd Lan type central management system for installed equipment in building
US4736465A (en) * 1985-07-24 1988-04-05 Northern Telecom Limited Communications network

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0545491Y2 (en) * 1987-11-26 1993-11-19

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60264142A (en) * 1984-06-04 1985-12-27 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Route designating method
JPH05102977A (en) * 1984-06-04 1993-04-23 Internatl Business Mach Corp <Ibm> Route specifying method
JPH0578978B2 (en) * 1984-06-04 1993-10-29 Ibm
JPS61212941A (en) * 1985-03-18 1986-09-20 Shinryo Air Conditioning Co Ltd Lan type central management system for installed equipment in building
US4736465A (en) * 1985-07-24 1988-04-05 Northern Telecom Limited Communications network

Also Published As

Publication number Publication date
JPS5910104B2 (en) 1984-03-07

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