JPS5675748A - Data transmission method for multiloop transmission device - Google Patents
Data transmission method for multiloop transmission deviceInfo
- 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
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0545491Y2 (en) * | 1987-11-26 | 1993-11-19 |
-
1979
- 1979-11-26 JP JP15201879A patent/JPS5910104B2/en not_active Expired
Cited By (5)
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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