JPS5717293A - Remote like concentrated station stand alone system - Google Patents

Remote like concentrated station stand alone system

Info

Publication number
JPS5717293A
JPS5717293A JP9180980A JP9180980A JPS5717293A JP S5717293 A JPS5717293 A JP S5717293A JP 9180980 A JP9180980 A JP 9180980A JP 9180980 A JP9180980 A JP 9180980A JP S5717293 A JPS5717293 A JP S5717293A
Authority
JP
Japan
Prior art keywords
stand alone
unit
line concentration
remote
alone system
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.)
Pending
Application number
JP9180980A
Other languages
Japanese (ja)
Inventor
Yoshiro Hasegawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9180980A priority Critical patent/JPS5717293A/en
Publication of JPS5717293A publication Critical patent/JPS5717293A/en
Pending 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
    • H04Q3/605—Arrangements in the satellite or concentrator
    • 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

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PURPOSE:To perform the stand alone control for line concentration unit, by switching the highway between the line concentration unit and digital termination unit constituting the remote line concentration station and drawing in it the stand alone controller. CONSTITUTION:Assuming that the #1 line concentration unit LCU, that is, all the #1-#n of the PCM line PCM relating to the #1 digital termination unit DTU are not communicated. In this case, the #1 digital termination unit DTU detects it, the stand alone controller SAC starts the #1 switching unit CHU by the information and switches the highway HW relating to the #1 line concentration unit LCU.
JP9180980A 1980-07-07 1980-07-07 Remote like concentrated station stand alone system Pending JPS5717293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9180980A JPS5717293A (en) 1980-07-07 1980-07-07 Remote like concentrated station stand alone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9180980A JPS5717293A (en) 1980-07-07 1980-07-07 Remote like concentrated station stand alone system

Publications (1)

Publication Number Publication Date
JPS5717293A true JPS5717293A (en) 1982-01-28

Family

ID=14036947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9180980A Pending JPS5717293A (en) 1980-07-07 1980-07-07 Remote like concentrated station stand alone system

Country Status (1)

Country Link
JP (1) JPS5717293A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072396A (en) * 1983-09-28 1985-04-24 Hitachi Ltd Intra-office returning system
JPH0847020A (en) * 1994-08-01 1996-02-16 Nec Corp Distributed line concentrator having fault state notice function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072396A (en) * 1983-09-28 1985-04-24 Hitachi Ltd Intra-office returning system
JPH0847020A (en) * 1994-08-01 1996-02-16 Nec Corp Distributed line concentrator having fault state notice function

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