JPS6284769U - - Google Patents
Info
- Publication number
- JPS6284769U JPS6284769U JP17697485U JP17697485U JPS6284769U JP S6284769 U JPS6284769 U JP S6284769U JP 17697485 U JP17697485 U JP 17697485U JP 17697485 U JP17697485 U JP 17697485U JP S6284769 U JPS6284769 U JP S6284769U
- Authority
- JP
- Japan
- Prior art keywords
- network
- fault
- level
- detecting
- failures
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Description
第１図は本考案のネツトワーク故障検出装置の
実施例を示すブロツク図。第２図イ〜ホは本考案
のネツトワーク故障検出装置の原理を示す説明図
。第３図は本考案のネツトワーク故障検出装置の
フローチヤート。第４図はバス型ネツトワークを
示す説明図。
符号の説明、１……同軸ケーブル、２ａ，２ｂ
……接続点、３ａ，３ｂ……分岐点、４ａ，４ｂ
……ワークステーシヨン、６……信号送出部、７
……レベル検出部、８……時間検出部、９……発
振器、１０……プロセツサ。
FIG. 1 is a block diagram showing an embodiment of the network failure detection device of the present invention. FIGS. 2A to 2E are explanatory diagrams showing the principle of the network failure detection device of the present invention. FIG. 3 is a flowchart of the network failure detection device of the present invention. FIG. 4 is an explanatory diagram showing a bus type network. Explanation of symbols, 1...Coaxial cable, 2a, 2b
... Connection point, 3a, 3b ... Branch point, 4a, 4b
...Workstation, 6...Signal transmission section, 7
... Level detection section, 8 ... Time detection section, 9 ... Oscillator, 10 ... Processor.
Claims (1)
の接続不良、断線、地絡等のネツトワークの故障
検出装置において、 前記ネツトワークに基準電圧信号を送出する手
段と、前記ネツトワークの故障点から反射した波
形のレベルを検知する手段と、前記故障点に応じ
て定まる時間の前記レベルに基づいて故障を判定
する手段とにより構成することを特徴とするネツ
トワーク故障検出装置。[Claims for Utility Model Registration] A device for detecting network failures such as connection failures, disconnections, and ground faults in a network to which a workstation or the like is connected, comprising means for sending a reference voltage signal to the network; 1. A network fault detection device comprising: means for detecting the level of a waveform reflected from a fault point; and means for determining a fault based on the level at a time determined depending on the fault point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17697485U JPS6284769U (en) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17697485U JPS6284769U (en) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6284769U true JPS6284769U (en) | 1987-05-29 |
Family
ID=31117736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17697485U Pending JPS6284769U (en) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6284769U (en) |
-
1985
- 1985-11-18 JP JP17697485U patent/JPS6284769U/ja active Pending
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