JPH03117960U - - Google Patents

Info

Publication number
JPH03117960U
JPH03117960U JP2712090U JP2712090U JPH03117960U JP H03117960 U JPH03117960 U JP H03117960U JP 2712090 U JP2712090 U JP 2712090U JP 2712090 U JP2712090 U JP 2712090U JP H03117960 U JPH03117960 U JP H03117960U
Authority
JP
Japan
Prior art keywords
telephone line
voltage drop
disconnection
section
notify
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
JP2712090U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP2712090U priority Critical patent/JPH03117960U/ja
Publication of JPH03117960U publication Critical patent/JPH03117960U/ja
Pending legal-status Critical Current

Links

JP2712090U 1990-03-19 1990-03-19 Pending JPH03117960U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2712090U JPH03117960U (enExample) 1990-03-19 1990-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2712090U JPH03117960U (enExample) 1990-03-19 1990-03-19

Publications (1)

Publication Number Publication Date
JPH03117960U true JPH03117960U (enExample) 1991-12-05

Family

ID=31529989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2712090U Pending JPH03117960U (enExample) 1990-03-19 1990-03-19

Country Status (1)

Country Link
JP (1) JPH03117960U (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020012727A (ja) * 2018-07-18 2020-01-23 日本電信電話株式会社 回線確認装置および回線確認方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020012727A (ja) * 2018-07-18 2020-01-23 日本電信電話株式会社 回線確認装置および回線確認方法
WO2020017352A1 (ja) * 2018-07-18 2020-01-23 日本電信電話株式会社 回線確認装置および回線確認方法

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