JPS51139707A - Redundancy system for a wire concentrator - Google Patents
Redundancy system for a wire concentratorInfo
- Publication number
- JPS51139707A JPS51139707A JP50064656A JP6465675A JPS51139707A JP S51139707 A JPS51139707 A JP S51139707A JP 50064656 A JP50064656 A JP 50064656A JP 6465675 A JP6465675 A JP 6465675A JP S51139707 A JPS51139707 A JP S51139707A
- Authority
- JP
- Japan
- Prior art keywords
- wire concentrator
- redundancy system
- concentrator
- wire
- multiplexing
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
PURPOSE:In a wire concentrator, unit-multiplexing data are obtained by multiplexing with a group unit wherein the circuit number corresponding to a terminal is united with characters. Transferring of this data to a parent station is carried out by an auxiliary device placed in the wire concentrator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50064656A JPS51139707A (en) | 1975-05-29 | 1975-05-29 | Redundancy system for a wire concentrator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50064656A JPS51139707A (en) | 1975-05-29 | 1975-05-29 | Redundancy system for a wire concentrator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51139707A true JPS51139707A (en) | 1976-12-02 |
JPS5519544B2 JPS5519544B2 (en) | 1980-05-27 |
Family
ID=13264475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50064656A Granted JPS51139707A (en) | 1975-05-29 | 1975-05-29 | Redundancy system for a wire concentrator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51139707A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63155993A (en) * | 1986-12-19 | 1988-06-29 | Fujitsu Ltd | Subscriber line signal line concentration system |
JPH02285748A (en) * | 1989-03-21 | 1990-11-26 | Minnesota Mining & Mfg Co <3M> | Transmission controller for optical fiber |
-
1975
- 1975-05-29 JP JP50064656A patent/JPS51139707A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63155993A (en) * | 1986-12-19 | 1988-06-29 | Fujitsu Ltd | Subscriber line signal line concentration system |
JPH02285748A (en) * | 1989-03-21 | 1990-11-26 | Minnesota Mining & Mfg Co <3M> | Transmission controller for optical fiber |
Also Published As
Publication number | Publication date |
---|---|
JPS5519544B2 (en) | 1980-05-27 |
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