JPH0318789B2 - - Google Patents

Info

Publication number
JPH0318789B2
JPH0318789B2 JP58075582A JP7558283A JPH0318789B2 JP H0318789 B2 JPH0318789 B2 JP H0318789B2 JP 58075582 A JP58075582 A JP 58075582A JP 7558283 A JP7558283 A JP 7558283A JP H0318789 B2 JPH0318789 B2 JP H0318789B2
Authority
JP
Japan
Prior art keywords
test
test stand
line
control device
subscriber line
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
JP58075582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59201568A (ja
Inventor
Tsutomu Iwata
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP7558283A priority Critical patent/JPS59201568A/ja
Publication of JPS59201568A publication Critical patent/JPS59201568A/ja
Publication of JPH0318789B2 publication Critical patent/JPH0318789B2/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
    • 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
    • H04M3/301—Circuit arrangements at the subscriber's side of the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP7558283A 1983-04-28 1983-04-28 加入者回線試験方式 Granted JPS59201568A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7558283A JPS59201568A (ja) 1983-04-28 1983-04-28 加入者回線試験方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7558283A JPS59201568A (ja) 1983-04-28 1983-04-28 加入者回線試験方式

Publications (2)

Publication Number Publication Date
JPS59201568A JPS59201568A (ja) 1984-11-15
JPH0318789B2 true JPH0318789B2 (US07413550-20080819-C00001.png) 1991-03-13

Family

ID=13580323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7558283A Granted JPS59201568A (ja) 1983-04-28 1983-04-28 加入者回線試験方式

Country Status (1)

Country Link
JP (1) JPS59201568A (US07413550-20080819-C00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43903E1 (en) 1997-02-13 2013-01-01 Richmond Ip Holdings, Llc Severe weather detector and alarm

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795781B2 (ja) * 1987-02-05 1995-10-11 富士通株式会社 試験回線選択制御方式
JPH02142258A (ja) * 1988-11-22 1990-05-31 Nec Corp ディジタル交換機の加入者線試験装置
JPH02290359A (ja) * 1989-02-07 1990-11-30 Fujitsu Ltd ディジタル加入者網の試験方式

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122263A (en) * 1980-02-29 1981-09-25 Nec Corp Subscriber's line fault report accepting test system
JPS56122561A (en) * 1980-03-03 1981-09-26 Hitachi Ltd Subscriber line concentration stage testing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122263A (en) * 1980-02-29 1981-09-25 Nec Corp Subscriber's line fault report accepting test system
JPS56122561A (en) * 1980-03-03 1981-09-26 Hitachi Ltd Subscriber line concentration stage testing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43903E1 (en) 1997-02-13 2013-01-01 Richmond Ip Holdings, Llc Severe weather detector and alarm

Also Published As

Publication number Publication date
JPS59201568A (ja) 1984-11-15

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