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
Links
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc Digital Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Description
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)
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.
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)
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 |
-
1987
- 1987-03-13 JP JP1987036663U patent/JPS63144739U/ja active Pending
Patent Citations (2)
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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