JPS55136759A - Line test system - Google Patents

Line test system

Info

Publication number
JPS55136759A
JPS55136759A JP4400179A JP4400179A JPS55136759A JP S55136759 A JPS55136759 A JP S55136759A JP 4400179 A JP4400179 A JP 4400179A JP 4400179 A JP4400179 A JP 4400179A JP S55136759 A JPS55136759 A JP S55136759A
Authority
JP
Japan
Prior art keywords
tste
test unit
line
test
signal
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
JP4400179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6210461B2 (enrdf_load_stackoverflow
Inventor
Akio Saeki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4400179A priority Critical patent/JPS55136759A/ja
Publication of JPS55136759A publication Critical patent/JPS55136759A/ja
Publication of JPS6210461B2 publication Critical patent/JPS6210461B2/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
    • H04M3/24—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)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP4400179A 1979-04-11 1979-04-11 Line test system Granted JPS55136759A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4400179A JPS55136759A (en) 1979-04-11 1979-04-11 Line test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4400179A JPS55136759A (en) 1979-04-11 1979-04-11 Line test system

Publications (2)

Publication Number Publication Date
JPS55136759A true JPS55136759A (en) 1980-10-24
JPS6210461B2 JPS6210461B2 (enrdf_load_stackoverflow) 1987-03-06

Family

ID=12679463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4400179A Granted JPS55136759A (en) 1979-04-11 1979-04-11 Line test system

Country Status (1)

Country Link
JP (1) JPS55136759A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365752A (ja) * 1986-09-06 1988-03-24 Fujitsu Ltd デイジタル伝送路インタ−フエイス装置試験方式
JPS6480149A (en) * 1987-09-22 1989-03-27 Nec Corp Subscriber line concentrator interface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03102752U (enrdf_load_stackoverflow) * 1990-02-08 1991-10-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365752A (ja) * 1986-09-06 1988-03-24 Fujitsu Ltd デイジタル伝送路インタ−フエイス装置試験方式
JPS6480149A (en) * 1987-09-22 1989-03-27 Nec Corp Subscriber line concentrator interface

Also Published As

Publication number Publication date
JPS6210461B2 (enrdf_load_stackoverflow) 1987-03-06

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