JPS61212155A - 二重化装置の系切替え回路 - Google Patents

二重化装置の系切替え回路

Info

Publication number
JPS61212155A
JPS61212155A JP5188485A JP5188485A JPS61212155A JP S61212155 A JPS61212155 A JP S61212155A JP 5188485 A JP5188485 A JP 5188485A JP 5188485 A JP5188485 A JP 5188485A JP S61212155 A JPS61212155 A JP S61212155A
Authority
JP
Japan
Prior art keywords
output
circuit
relay
terminal
switching circuit
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
JP5188485A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0412664B2 (enrdf_load_stackoverflow
Inventor
Yasuo Tanaka
康夫 田中
Tsugio Umemiya
梅宮　次男
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5188485A priority Critical patent/JPS61212155A/ja
Publication of JPS61212155A publication Critical patent/JPS61212155A/ja
Publication of JPH0412664B2 publication Critical patent/JPH0412664B2/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
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP5188485A 1985-03-15 1985-03-15 二重化装置の系切替え回路 Granted JPS61212155A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5188485A JPS61212155A (ja) 1985-03-15 1985-03-15 二重化装置の系切替え回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5188485A JPS61212155A (ja) 1985-03-15 1985-03-15 二重化装置の系切替え回路

Publications (2)

Publication Number Publication Date
JPS61212155A true JPS61212155A (ja) 1986-09-20
JPH0412664B2 JPH0412664B2 (enrdf_load_stackoverflow) 1992-03-05

Family

ID=12899307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5188485A Granted JPS61212155A (ja) 1985-03-15 1985-03-15 二重化装置の系切替え回路

Country Status (1)

Country Link
JP (1) JPS61212155A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525202A (en) * 1978-08-10 1980-02-22 Oki Electric Ind Co Ltd System switching system
JPS5730427A (en) * 1980-07-31 1982-02-18 Fujitsu Ltd Signal automatic switching circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525202A (en) * 1978-08-10 1980-02-22 Oki Electric Ind Co Ltd System switching system
JPS5730427A (en) * 1980-07-31 1982-02-18 Fujitsu Ltd Signal automatic switching circuit

Also Published As

Publication number Publication date
JPH0412664B2 (enrdf_load_stackoverflow) 1992-03-05

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