JPS52109308A - Information transmission device - Google Patents
Information transmission deviceInfo
- Publication number
- JPS52109308A JPS52109308A JP2584676A JP2584676A JPS52109308A JP S52109308 A JPS52109308 A JP S52109308A JP 2584676 A JP2584676 A JP 2584676A JP 2584676 A JP2584676 A JP 2584676A JP S52109308 A JPS52109308 A JP S52109308A
- Authority
- JP
- Japan
- Prior art keywords
- transmission device
- information transmission
- detect
- transmission line
- make
- 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.)
- Pending
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)
- Small-Scale Networks (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
PURPOSE:To make it possible to detect an abnormal office by using a ring transmission line used for state supervisory controlling, so that system down conditions are recovered quickly and the effective operation is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2584676A JPS52109308A (en) | 1976-03-10 | 1976-03-10 | Information transmission device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2584676A JPS52109308A (en) | 1976-03-10 | 1976-03-10 | Information transmission device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52109308A true JPS52109308A (en) | 1977-09-13 |
Family
ID=12177197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2584676A Pending JPS52109308A (en) | 1976-03-10 | 1976-03-10 | Information transmission device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52109308A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57199357A (en) * | 1981-06-02 | 1982-12-07 | Hitachi Ltd | Data transmission controller |
-
1976
- 1976-03-10 JP JP2584676A patent/JPS52109308A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57199357A (en) * | 1981-06-02 | 1982-12-07 | Hitachi Ltd | Data transmission controller |
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