JPS5286704A - Line concentrating exchange system - Google Patents
Line concentrating exchange systemInfo
- Publication number
- JPS5286704A JPS5286704A JP270476A JP270476A JPS5286704A JP S5286704 A JPS5286704 A JP S5286704A JP 270476 A JP270476 A JP 270476A JP 270476 A JP270476 A JP 270476A JP S5286704 A JPS5286704 A JP S5286704A
- Authority
- JP
- Japan
- Prior art keywords
- exchange system
- line concentrating
- concentrating exchange
- unit
- concentrating
- 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
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/60—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Abstract
PURPOSE:To save the hardware for subscriber unit, the quantity of information transmission, and the common use signal unit, by concentrating the control to the office side unit, and to prevent the increase in the call delay time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP270476A JPS5286704A (en) | 1976-01-14 | 1976-01-14 | Line concentrating exchange system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP270476A JPS5286704A (en) | 1976-01-14 | 1976-01-14 | Line concentrating exchange system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5286704A true JPS5286704A (en) | 1977-07-19 |
JPS5611273B2 JPS5611273B2 (en) | 1981-03-13 |
Family
ID=11536664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP270476A Granted JPS5286704A (en) | 1976-01-14 | 1976-01-14 | Line concentrating exchange system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5286704A (en) |
-
1976
- 1976-01-14 JP JP270476A patent/JPS5286704A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5611273B2 (en) | 1981-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52130206A (en) | Time sharing exchange system | |
JPS5441602A (en) | Loop type data delivery system | |
JPS5439503A (en) | Priority selection system in ring transmission line | |
JPS5286704A (en) | Line concentrating exchange system | |
JPS54812A (en) | Repeating system | |
JPS5386102A (en) | Selective exchange system | |
JPS5313806A (en) | Telephone extension system | |
JPS52125213A (en) | Absence transfer system | |
JPS5431203A (en) | Data communication control system | |
JPS5436106A (en) | Service system of no response call back | |
JPS51126703A (en) | Information transfering system | |
JPS52125210A (en) | Internal call folding unit in concentrating line type subscriber line carrier system | |
JPS53100704A (en) | Waiting-time connection system | |
JPS5351904A (en) | Subscriber circuit system both for telephone and data | |
JPS52120709A (en) | Common line signal system | |
JPS5440505A (en) | Digital pad control system | |
JPS5368013A (en) | Answer display transfer system for charging trunk additional unit | |
JPS52117503A (en) | Time division telephone exchange system | |
JPS5286703A (en) | Subscriber scanning system | |
JPS52115605A (en) | Unit intermediate control system | |
JPS533005A (en) | Function termination system | |
JPS53148306A (en) | Connection system for storage exchange | |
JPS5345907A (en) | Scanning system of telephone subscriber | |
JPS5361204A (en) | Time-division converter | |
JPS5250602A (en) | Memory switch system |