JPS5746547A - Data transmission system - Google Patents
Data transmission systemInfo
- Publication number
- JPS5746547A JPS5746547A JP55122993A JP12299380A JPS5746547A JP S5746547 A JPS5746547 A JP S5746547A JP 55122993 A JP55122993 A JP 55122993A JP 12299380 A JP12299380 A JP 12299380A JP S5746547 A JPS5746547 A JP S5746547A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- station
- svc
- outputs
- substation
- 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
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
- H04B1/745—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus using by-passing or self-healing methods
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
PURPOSE:To reconstitute a circuit surely regardless of faults of a monitor station, transmission lines and substations, by giving the function of the monitor station to an optional substation cascaded on the transmission line. CONSTITUTION:When abnormality occurs in a monitor station SVC', an abnormality signal SGA1 is outputted from the station SVC' onto a signal line SL. When detecting the signal SGA1, a switching interface IF-SVC outputs a SVC indicating signal SGSV1 to a substation ST3'. The function of the monitor station is given to the station ST3' by the signal SGSV1, and the station ST3' takes the leadership in reconstitution of the circuit and outputs a normality signal SGN2 onto a signal line SL'. The IF-SVC detects this signal SGN2 and outputs a substation indicating signal SGST1 to the station SVC' to indicate that the leadership in reconstitution of the circuit is transferred to the station ST3'.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55122993A JPS5746547A (en) | 1980-09-05 | 1980-09-05 | Data transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55122993A JPS5746547A (en) | 1980-09-05 | 1980-09-05 | Data transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5746547A true JPS5746547A (en) | 1982-03-17 |
Family
ID=14849621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55122993A Pending JPS5746547A (en) | 1980-09-05 | 1980-09-05 | Data transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5746547A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62217251A (en) * | 1986-03-19 | 1987-09-24 | Oji Paper Co Ltd | Electrostatic recording body |
-
1980
- 1980-09-05 JP JP55122993A patent/JPS5746547A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62217251A (en) * | 1986-03-19 | 1987-09-24 | Oji Paper Co Ltd | Electrostatic recording body |
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