JPS5657384A - Continuity test system of channel - Google Patents

Continuity test system of channel

Info

Publication number
JPS5657384A
JPS5657384A JP13264579A JP13264579A JPS5657384A JP S5657384 A JPS5657384 A JP S5657384A JP 13264579 A JP13264579 A JP 13264579A JP 13264579 A JP13264579 A JP 13264579A JP S5657384 A JPS5657384 A JP S5657384A
Authority
JP
Japan
Prior art keywords
signal
time
ringing tone
synchronization
well
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
JP13264579A
Other languages
English (en)
Inventor
Shuichi Ashihara
Masaaki Ito
Shunichi Naito
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 JP13264579A priority Critical patent/JPS5657384A/ja
Publication of JPS5657384A publication Critical patent/JPS5657384A/ja
Pending 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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP13264579A 1979-10-15 1979-10-15 Continuity test system of channel Pending JPS5657384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13264579A JPS5657384A (en) 1979-10-15 1979-10-15 Continuity test system of channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13264579A JPS5657384A (en) 1979-10-15 1979-10-15 Continuity test system of channel

Publications (1)

Publication Number Publication Date
JPS5657384A true JPS5657384A (en) 1981-05-19

Family

ID=15086160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13264579A Pending JPS5657384A (en) 1979-10-15 1979-10-15 Continuity test system of channel

Country Status (1)

Country Link
JP (1) JPS5657384A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609259A (ja) * 1983-06-16 1985-01-18 ミテル・コ−ポレ−シヨン スイツチングシステム試験回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609259A (ja) * 1983-06-16 1985-01-18 ミテル・コ−ポレ−シヨン スイツチングシステム試験回路

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