JPS5286704A - Line concentrating exchange system - Google Patents

Line concentrating exchange system

Info

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
Application number
JP270476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5611273B2 (US20090163788A1-20090625-C00002.png
Inventor
Takashi Sugioka
Toshio Arai
Yoshiro Iino
Atsushi Hariki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP270476A priority Critical patent/JPS5286704A/ja
Publication of JPS5286704A publication Critical patent/JPS5286704A/ja
Publication of JPS5611273B2 publication Critical patent/JPS5611273B2/ja
Granted legal-status Critical Current

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)
JP270476A 1976-01-14 1976-01-14 Line concentrating exchange system Granted JPS5286704A (en)

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 (US20090163788A1-20090625-C00002.png) 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 (US20090163788A1-20090625-C00002.png)

Also Published As

Publication number Publication date
JPS5611273B2 (US20090163788A1-20090625-C00002.png) 1981-03-13

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