JPS63144739U - - Google Patents

Info

Publication number
JPS63144739U
JPS63144739U JP1987036663U JP3666387U JPS63144739U JP S63144739 U JPS63144739 U JP S63144739U JP 1987036663 U JP1987036663 U JP 1987036663U JP 3666387 U JP3666387 U JP 3666387U JP S63144739 U JPS63144739 U JP S63144739U
Authority
JP
Japan
Prior art keywords
data line
transmitting
bidirectional data
receiving circuit
utility
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
JP1987036663U
Other languages
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 JP1987036663U priority Critical patent/JPS63144739U/ja
Publication of JPS63144739U publication Critical patent/JPS63144739U/ja
Pending legal-status Critical Current

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  • Maintenance And Management Of Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の回路図、第２図は
本装置の通信動作時の回路図である。 ２…装置Ａ、３…信号折り返し用治具、４…長
距離双方向データ線（往路）、５…長距離双方向
データ線（復路）。 FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of the device during communication operation. 2... Device A, 3... Signal loopback jig, 4... Long distance bidirectional data line (outward path), 5... Long distance bidirectional data line (return path).

Claims (1)

【実用新案登録請求の範囲】 信号を送信・受信するための少なくとも一つ以
上の送受信回路を有する通信装置と、 前記少なくとも一つ以上の送受信回路にそれぞ
れ一端を接続される双方向データ線と、 前記双方向データ線の他端に接続する信号折り
返し治具とで構成される双方向データ線の検査装
置。[Claims for Utility Model Registration] A communication device having at least one transmitting/receiving circuit for transmitting and receiving signals; a bidirectional data line having one end connected to each of the at least one transmitting/receiving circuit; A bidirectional data line inspection device comprising a signal folding jig connected to the other end of the bidirectional data line.
JP1987036663U 1987-03-13 1987-03-13 Pending JPS63144739U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987036663U JPS63144739U (en) 1987-03-13 1987-03-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987036663U JPS63144739U (en) 1987-03-13 1987-03-13

Publications (1)

Publication Number Publication Date
JPS63144739U true JPS63144739U (en) 1988-09-22

Family

ID=30847278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987036663U Pending JPS63144739U (en) 1987-03-13 1987-03-13

Country Status (1)

Country Link
JP (1) JPS63144739U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106203A (en) * 1973-02-08 1974-10-08
JPS59181860A (en) * 1983-03-31 1984-10-16 Fujitsu Ltd Diagnostic system of communication controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106203A (en) * 1973-02-08 1974-10-08
JPS59181860A (en) * 1983-03-31 1984-10-16 Fujitsu Ltd Diagnostic system of communication controller

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