JPH0564497B2 - - Google Patents
Info
- Publication number
- JPH0564497B2 JPH0564497B2 JP59272927A JP27292784A JPH0564497B2 JP H0564497 B2 JPH0564497 B2 JP H0564497B2 JP 59272927 A JP59272927 A JP 59272927A JP 27292784 A JP27292784 A JP 27292784A JP H0564497 B2 JPH0564497 B2 JP H0564497B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- backup
- interface
- switching network
- digital
- 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 - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59272927A JPS61152143A (ja) | 1984-12-26 | 1984-12-26 | 回線バツクアツプ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59272927A JPS61152143A (ja) | 1984-12-26 | 1984-12-26 | 回線バツクアツプ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61152143A JPS61152143A (ja) | 1986-07-10 |
| JPH0564497B2 true JPH0564497B2 (2) | 1993-09-14 |
Family
ID=17520692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59272927A Granted JPS61152143A (ja) | 1984-12-26 | 1984-12-26 | 回線バツクアツプ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61152143A (2) |
-
1984
- 1984-12-26 JP JP59272927A patent/JPS61152143A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61152143A (ja) | 1986-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |