JPS5235505A - Testing method of subscriber line - Google Patents

Testing method of subscriber line

Info

Publication number
JPS5235505A
JPS5235505A JP50111489A JP11148975A JPS5235505A JP S5235505 A JPS5235505 A JP S5235505A JP 50111489 A JP50111489 A JP 50111489A JP 11148975 A JP11148975 A JP 11148975A JP S5235505 A JPS5235505 A JP S5235505A
Authority
JP
Japan
Prior art keywords
subscriber line
testing method
exchange
carried out
result
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
JP50111489A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5633025B2 (cg-RX-API-DMAC10.html
Inventor
Takuji Mukaemachi
Yutaka Fukushima
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 JP50111489A priority Critical patent/JPS5235505A/ja
Priority to US05/721,216 priority patent/US4076971A/en
Priority to CA260,828A priority patent/CA1054275A/en
Priority to DE19762640805 priority patent/DE2640805A1/de
Publication of JPS5235505A publication Critical patent/JPS5235505A/ja
Publication of JPS5633025B2 publication Critical patent/JPS5633025B2/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)
JP50111489A 1975-09-12 1975-09-12 Testing method of subscriber line Granted JPS5235505A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50111489A JPS5235505A (en) 1975-09-12 1975-09-12 Testing method of subscriber line
US05/721,216 US4076971A (en) 1975-09-12 1976-09-08 Subscriber line testing system
CA260,828A CA1054275A (en) 1975-09-12 1976-09-09 Subscriber line testing system including exchange semiconductor cross point switching
DE19762640805 DE2640805A1 (de) 1975-09-12 1976-09-10 Teilnehmerleitungs-pruefeinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111489A JPS5235505A (en) 1975-09-12 1975-09-12 Testing method of subscriber line

Publications (2)

Publication Number Publication Date
JPS5235505A true JPS5235505A (en) 1977-03-18
JPS5633025B2 JPS5633025B2 (cg-RX-API-DMAC10.html) 1981-07-31

Family

ID=14562553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50111489A Granted JPS5235505A (en) 1975-09-12 1975-09-12 Testing method of subscriber line

Country Status (1)

Country Link
JP (1) JPS5235505A (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
JPS5633025B2 (cg-RX-API-DMAC10.html) 1981-07-31

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