JPS6295359U - - Google Patents
Info
- Publication number
- JPS6295359U JPS6295359U JP18718585U JP18718585U JPS6295359U JP S6295359 U JPS6295359 U JP S6295359U JP 18718585 U JP18718585 U JP 18718585U JP 18718585 U JP18718585 U JP 18718585U JP S6295359 U JPS6295359 U JP S6295359U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- data
- check data
- normal
- reception
- 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 11
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000005856 abnormality Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Small-Scale Networks (AREA)
Description
第１図は本考案の一実施例の伝送制御装置の構
成図、第２図は従来ループ従送システムの全体構
成図である。
１……中央計算器、２ａ〜ｎ……伝送制御装置
、３ｂ〜ｎ……端末装置、４ｂ〜ｎ……伝送回線
、５……保守用コンソール、２１……受信回線イ
ンターフエース部、２２……送信回線インターフ
エース部、２３……送受信制御部、２４……受信
データ判定部、２５……表示ランプ、２６……端
末入出力部。
FIG. 1 is a block diagram of a transmission control device according to an embodiment of the present invention, and FIG. 2 is an overall block diagram of a conventional loop slave transmission system. DESCRIPTION OF SYMBOLS 1...Central computer, 2a-n...Transmission control device, 3b-n...Terminal device, 4b-n...Transmission line, 5...Maintenance console, 21...Reception line interface section, 22... ...Transmission line interface unit, 23...Transmission/reception control unit, 24...Received data determination unit, 25...Display lamp, 26...Terminal input/output unit.
Claims (1)
続するデータ伝送システムにおいて、 中央からのチエツクデータを通常の伝送情報フ
レームの中に含めて決定しておき、伝送異常の発
生時に、前記チエツクデータを受取ると受信ラン
プを点灯することにより正常データ受信箇所を明
確にして異常箇所を特定化することを特徴とする
伝送装置。[Claim for Utility Model Registration] In a data transmission system in which a central computer and each distributed terminal are connected via an optical loop transmission line, check data from the center is included in the normal transmission information frame and determined, and transmission abnormalities are detected. 1. A transmission device characterized in that when the check data is received at the time of occurrence of the check data, a reception lamp is turned on to clarify a normal data reception point and identify an abnormal point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18718585U JPS6295359U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18718585U JPS6295359U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6295359U true JPS6295359U (en) | 1987-06-18 |
Family
ID=31137428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18718585U Pending JPS6295359U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6295359U (en) |
-
1985
- 1985-12-06 JP JP18718585U patent/JPS6295359U/ja active Pending
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