JPH02118343U - - Google Patents
Info
- Publication number
- JPH02118343U JPH02118343U JP2768989U JP2768989U JPH02118343U JP H02118343 U JPH02118343 U JP H02118343U JP 2768989 U JP2768989 U JP 2768989U JP 2768989 U JP2768989 U JP 2768989U JP H02118343 U JPH02118343 U JP H02118343U
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- station device
- node
- node station
- signal processing
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Small-Scale Networks (AREA)
Description
第１図は本考案によるノード局装置の一実施例
を示す図、第２図は従来のループネツトワークの
構造を説明するための図である。
１，１９…ノード、２…出力端子Ａ、３…出力
端子Ｂ、４…入力端子Ｂ、５…入力端子Ａ、６，
１６…ケーブル、７…伝送路切換回路、８…信号
処理回路、２０…入力端子、２１…出力端子。
FIG. 1 is a diagram showing an embodiment of a node station device according to the present invention, and FIG. 2 is a diagram for explaining the structure of a conventional loop network. 1, 19...Node, 2...Output terminal A, 3...Output terminal B, 4...Input terminal B, 5...Input terminal A, 6,
16... Cable, 7... Transmission line switching circuit, 8... Signal processing circuit, 20... Input terminal, 21... Output terminal.
Claims (1)
伝送路とからなるループネツトワークに用いられ
るノード局装置において、入力端子がケーブルを
介して上位の隣接ノード局装置の出力端子および
隣接しないノード局装置の出力端子に接続される
信号処理回路と、入力端子が前記信号処理回路の
出力端子に、第１の出力端子がケーブルを介して
隣接しないノード局装置の入力端子に、第２の出
力端子がケーブルを介して隣接する下位のノード
局装置の入力端子にそれぞれ接続され、前記信号
処理回路の出力を前記第１または第２の出力端子
のいずれかに切換接続する伝送路切換回路とから
構成されたことを特徴とするノード局装置。 In a node station device used in a loop network consisting of four or more node stations and a transmission line connecting the node stations, the input terminal connects via a cable to the output terminal of the upper adjacent node station device and to a non-adjacent node. a signal processing circuit connected to an output terminal of the station device, an input terminal connected to the output terminal of the signal processing circuit, a first output terminal connected to an input terminal of a non-adjacent node station device via a cable, and a second output terminal connected to the output terminal of the node station device; a transmission line switching circuit whose terminals are respectively connected to input terminals of adjacent lower node station devices via cables, and which switches and connects the output of the signal processing circuit to either the first or second output terminal; A node station device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2768989U JPH02118343U (en) | 1989-03-10 | 1989-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2768989U JPH02118343U (en) | 1989-03-10 | 1989-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118343U true JPH02118343U (en) | 1990-09-21 |
Family
ID=31250398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2768989U Pending JPH02118343U (en) | 1989-03-10 | 1989-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118343U (en) |
-
1989
- 1989-03-10 JP JP2768989U patent/JPH02118343U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02118343U (en) | ||
| JPS62132636U (en) | ||
| JPH02112027U (en) | ||
| JPH03444U (en) | ||
| JPS6344547U (en) | ||
| JPS6326141U (en) | ||
| JPH0392847U (en) | ||
| JPH02126452U (en) | ||
| JPH0286235U (en) | ||
| JPH02103941U (en) | ||
| JPS623153U (en) | ||
| JPS6451380U (en) | ||
| JPS62203542U (en) | ||
| JPS58192601U (en) | optical communication line | |
| JPH0384661U (en) | ||
| JPS61189602U (en) | ||
| JPS6195186U (en) | ||
| JPH0273814U (en) | ||
| JPH0292227U (en) | ||
| JPS6452301U (en) | ||
| JPS61121063U (en) | ||
| JPS63187439U (en) | ||
| JPS5977718U (en) | Signal input/output switching device | |
| JPH0372385U (en) | ||
| JPH03109452U (en) |