FR2557412B1 - TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE - Google Patents

TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE

Info

Publication number
FR2557412B1
FR2557412B1 FR8320639A FR8320639A FR2557412B1 FR 2557412 B1 FR2557412 B1 FR 2557412B1 FR 8320639 A FR8320639 A FR 8320639A FR 8320639 A FR8320639 A FR 8320639A FR 2557412 B1 FR2557412 B1 FR 2557412B1
Authority
FR
France
Prior art keywords
testing device
wire subscriber
subscriber trunk
trunk testing
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 - Fee Related
Application number
FR8320639A
Other languages
French (fr)
Other versions
FR2557412A1 (en
Inventor
Yves Ollivier
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR8320639A priority Critical patent/FR2557412B1/en
Publication of FR2557412A1 publication Critical patent/FR2557412A1/en
Application granted granted Critical
Publication of FR2557412B1 publication Critical patent/FR2557412B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
FR8320639A 1983-12-23 1983-12-23 TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE Expired - Fee Related FR2557412B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8320639A FR2557412B1 (en) 1983-12-23 1983-12-23 TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8320639A FR2557412B1 (en) 1983-12-23 1983-12-23 TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE

Publications (2)

Publication Number Publication Date
FR2557412A1 FR2557412A1 (en) 1985-06-28
FR2557412B1 true FR2557412B1 (en) 1990-07-27

Family

ID=9295479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8320639A Expired - Fee Related FR2557412B1 (en) 1983-12-23 1983-12-23 TWO-WIRE SUBSCRIBER TRUNK TESTING DEVICE

Country Status (1)

Country Link
FR (1) FR2557412B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794632A (en) * 1987-05-20 1988-12-27 Minnesota Mining And Manufacturing Company Telephone trunk line testing circuitry

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334113A1 (en) * 1975-12-03 1977-07-01 Constr Telephoniques LINE CURRENT DETECTION CIRCUIT
FR2502432A1 (en) * 1981-03-18 1982-09-24 Trt Telecom Radio Electr SUBSCRIBER JUMPER TESTING SYSTEM
FR2503500A1 (en) * 1981-04-03 1982-10-08 Cit Alcatel SUBSCRIBER TERMINAL SECURITY DEVICE
FR2518855A1 (en) * 1981-12-18 1983-06-24 Trt Telecom Radio Electr Individual line and integrated subscriber junctor test device - has loop state simulator and multiplexer affording different voltages for digital processing

Also Published As

Publication number Publication date
FR2557412A1 (en) 1985-06-28

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Legal Events

Date Code Title Description
ST Notification of lapse