JPS59193048U - Data transmitting/receiving device - Google Patents
Data transmitting/receiving deviceInfo
- Publication number
- JPS59193048U JPS59193048U JP8643983U JP8643983U JPS59193048U JP S59193048 U JPS59193048 U JP S59193048U JP 8643983 U JP8643983 U JP 8643983U JP 8643983 U JP8643983 U JP 8643983U JP S59193048 U JPS59193048 U JP S59193048U
- Authority
- JP
- Japan
- Prior art keywords
- receiving device
- data transmitting
- line driver
- bus
- monitoring
- 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
Landscapes
- Dc Digital Transmission (AREA)
- Small-Scale Networks (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例を示す回路図である。
図において、１０・・・・・・試験制御回路、１１・・
・・・・データ送信回路、１２・・・・・・データ受信
面路、１３ａ、１３ｂ・・・・・・セレクタ、１４ａ、
１４ｂ・・・・・・ライントライバ、１５ａ、 １５
ｂ−−−−−−ラインレシーバ、１６ａ、 １６ｂ、
１６Ｃ−−−−−−継電器、１７−・・・・・抵抗
器、１８・・・・・・フレーム同期情報、１９ａ。
１９ｂ、 １９Ｃ・・・・・・継電器制御信号、２０ａ
。
２０ｂ・・・・・・セレクタ制御信号、２１ａ、２１ｂ
・・・・・・試験信号、２２・・・・・・送信データ、
２３・・・・・・受信データ、２４ａ、２４ｂ・・・・
・・バス線路。The figure is a circuit diagram showing an embodiment of the present invention. In the figure, 10... test control circuit, 11...
...Data transmission circuit, 12...Data reception surface path, 13a, 13b...Selector, 14a,
14b...Line driver, 15a, 15
b------line receiver, 16a, 16b,
16C--Relay, 17--Resistor, 18--Frame synchronization information, 19a. 19b, 19C...Relay control signal, 20a
. 20b...Selector control signal, 21a, 21b
......test signal, 22......transmission data,
23... Received data, 24a, 24b...
...bus line.
Claims (1)
受信装置において、受信４号を監視する手段と、この監
視手段の出力によりライントライバをバスから切断する
手段と、この監視手段が前記受信信号の異常状態を検出
した時に前記ライントライバとバスとを切断し、前記ラ
イントライバとラインレシーバの動作試験を行うことを
特徴とするデータ送受信装置。In a data transmitting/receiving device that transmits and receives data signals to and from each other in a bus-coupled form, there is provided a means for monitoring receiver No. 4, a means for disconnecting the line driver from the bus based on the output of the monitoring means, and a means for disconnecting the line driver from the bus based on the output of the monitoring means, and a method for detecting an abnormality in the received signal. A data transmitting/receiving device characterized in that when a state is detected, the line driver and the bus are disconnected, and an operation test of the line driver and line receiver is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8643983U JPS59193048U (en) | 1983-06-07 | 1983-06-07 | Data transmitting/receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8643983U JPS59193048U (en) | 1983-06-07 | 1983-06-07 | Data transmitting/receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59193048U true JPS59193048U (en) | 1984-12-21 |
Family
ID=30216371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8643983U Pending JPS59193048U (en) | 1983-06-07 | 1983-06-07 | Data transmitting/receiving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59193048U (en) |
-
1983
- 1983-06-07 JP JP8643983U patent/JPS59193048U/en active Pending
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