JPS5567252A - Stand-by circuit switching system - Google Patents
Stand-by circuit switching systemInfo
- Publication number
- JPS5567252A JPS5567252A JP14044578A JP14044578A JPS5567252A JP S5567252 A JPS5567252 A JP S5567252A JP 14044578 A JP14044578 A JP 14044578A JP 14044578 A JP14044578 A JP 14044578A JP S5567252 A JPS5567252 A JP S5567252A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- unit
- stand
- power source
- relay
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14044578A JPS5567252A (en) | 1978-11-16 | 1978-11-16 | Stand-by circuit switching system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14044578A JPS5567252A (en) | 1978-11-16 | 1978-11-16 | Stand-by circuit switching system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5567252A true JPS5567252A (en) | 1980-05-21 |
Family
ID=15268790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14044578A Pending JPS5567252A (en) | 1978-11-16 | 1978-11-16 | Stand-by circuit switching system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5567252A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5869146A (ja) * | 1981-10-20 | 1983-04-25 | Nec Corp | 多重変換装置 |
US5557636A (en) * | 1994-03-16 | 1996-09-17 | Fujitsu Limited | Method and system of operating redundant transmission line |
US5577096A (en) * | 1992-02-17 | 1996-11-19 | Fujitsu Limited | Transmission system having stand-by line switching facility |
-
1978
- 1978-11-16 JP JP14044578A patent/JPS5567252A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5869146A (ja) * | 1981-10-20 | 1983-04-25 | Nec Corp | 多重変換装置 |
US5577096A (en) * | 1992-02-17 | 1996-11-19 | Fujitsu Limited | Transmission system having stand-by line switching facility |
US5557636A (en) * | 1994-03-16 | 1996-09-17 | Fujitsu Limited | Method and system of operating redundant transmission line |
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