JPH0231905B2 - - Google Patents

Info

Publication number
JPH0231905B2
JPH0231905B2 JP57005717A JP571782A JPH0231905B2 JP H0231905 B2 JPH0231905 B2 JP H0231905B2 JP 57005717 A JP57005717 A JP 57005717A JP 571782 A JP571782 A JP 571782A JP H0231905 B2 JPH0231905 B2 JP H0231905B2
Authority
JP
Japan
Prior art keywords
relay
earth
call
level
wire
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.)
Expired - Lifetime
Application number
JP57005717A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58123268A (ja
Inventor
Katsuhiko Furukawa
Kunihiko Kawanishi
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 JP571782A priority Critical patent/JPS58123268A/ja
Publication of JPS58123268A publication Critical patent/JPS58123268A/ja
Publication of JPH0231905B2 publication Critical patent/JPH0231905B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
JP571782A 1982-01-18 1982-01-18 ア−ステステング制御方式 Granted JPS58123268A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP571782A JPS58123268A (ja) 1982-01-18 1982-01-18 ア−ステステング制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP571782A JPS58123268A (ja) 1982-01-18 1982-01-18 ア−ステステング制御方式

Publications (2)

Publication Number Publication Date
JPS58123268A JPS58123268A (ja) 1983-07-22
JPH0231905B2 true JPH0231905B2 (enrdf_load_stackoverflow) 1990-07-17

Family

ID=11618864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP571782A Granted JPS58123268A (ja) 1982-01-18 1982-01-18 ア−ステステング制御方式

Country Status (1)

Country Link
JP (1) JPS58123268A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56154864A (en) * 1980-04-30 1981-11-30 Fujitsu Ltd Control system for switchboard

Also Published As

Publication number Publication date
JPS58123268A (ja) 1983-07-22

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