JPS6333337B2 - - Google Patents
Info
- Publication number
- JPS6333337B2 JPS6333337B2 JP21651882A JP21651882A JPS6333337B2 JP S6333337 B2 JPS6333337 B2 JP S6333337B2 JP 21651882 A JP21651882 A JP 21651882A JP 21651882 A JP21651882 A JP 21651882A JP S6333337 B2 JPS6333337 B2 JP S6333337B2
- Authority
- JP
- Japan
- Prior art keywords
- backup
- line
- modem
- terminal side
- lines
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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)
- Detection And Prevention Of Errors In Transmission (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21651882A JPS59105724A (ja) | 1982-12-09 | 1982-12-09 | デ−タ回線バツクアツプ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21651882A JPS59105724A (ja) | 1982-12-09 | 1982-12-09 | デ−タ回線バツクアツプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59105724A JPS59105724A (ja) | 1984-06-19 |
JPS6333337B2 true JPS6333337B2 (pt) | 1988-07-05 |
Family
ID=16689686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21651882A Granted JPS59105724A (ja) | 1982-12-09 | 1982-12-09 | デ−タ回線バツクアツプ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59105724A (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4866602B2 (ja) * | 2005-12-27 | 2012-02-01 | 株式会社サンセイアールアンドディ | 遊技機 |
JP4947438B2 (ja) * | 2008-08-05 | 2012-06-06 | 日本精機株式会社 | 車両用計器におけるスイッチ装置 |
-
1982
- 1982-12-09 JP JP21651882A patent/JPS59105724A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59105724A (ja) | 1984-06-19 |
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