JPS57190439A - Multi-concentrating/allotting device - Google Patents

Multi-concentrating/allotting device

Info

Publication number
JPS57190439A
JPS57190439A JP56076329A JP7632981A JPS57190439A JP S57190439 A JPS57190439 A JP S57190439A JP 56076329 A JP56076329 A JP 56076329A JP 7632981 A JP7632981 A JP 7632981A JP S57190439 A JPS57190439 A JP S57190439A
Authority
JP
Japan
Prior art keywords
trunk line
common control
line corresponding
area
control part
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
JP56076329A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6329864B2 (enrdf_load_stackoverflow
Inventor
Kazuo Motohashi
Fumio Akiyama
Fusayoshi Aso
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 JP56076329A priority Critical patent/JPS57190439A/ja
Publication of JPS57190439A publication Critical patent/JPS57190439A/ja
Publication of JPS6329864B2 publication Critical patent/JPS6329864B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Debugging And Monitoring (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP56076329A 1981-05-19 1981-05-19 Multi-concentrating/allotting device Granted JPS57190439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56076329A JPS57190439A (en) 1981-05-19 1981-05-19 Multi-concentrating/allotting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56076329A JPS57190439A (en) 1981-05-19 1981-05-19 Multi-concentrating/allotting device

Publications (2)

Publication Number Publication Date
JPS57190439A true JPS57190439A (en) 1982-11-24
JPS6329864B2 JPS6329864B2 (enrdf_load_stackoverflow) 1988-06-15

Family

ID=13602310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56076329A Granted JPS57190439A (en) 1981-05-19 1981-05-19 Multi-concentrating/allotting device

Country Status (1)

Country Link
JP (1) JPS57190439A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478780U (enrdf_load_stackoverflow) * 1990-11-21 1992-07-09

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040747A (enrdf_load_stackoverflow) * 1973-08-10 1975-04-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040747A (enrdf_load_stackoverflow) * 1973-08-10 1975-04-14

Also Published As

Publication number Publication date
JPS6329864B2 (enrdf_load_stackoverflow) 1988-06-15

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