JPS5590158A - Adapter for start-stop circuit connection - Google Patents
Adapter for start-stop circuit connectionInfo
- Publication number
- JPS5590158A JPS5590158A JP15996978A JP15996978A JPS5590158A JP S5590158 A JPS5590158 A JP S5590158A JP 15996978 A JP15996978 A JP 15996978A JP 15996978 A JP15996978 A JP 15996978A JP S5590158 A JPS5590158 A JP S5590158A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- logic level
- turn
- communication
- circuit
- 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.)
- Granted
Links
Landscapes
- Communication Control (AREA)
Abstract
PURPOSE: To make it possible to exercise mixing control over a communication circuit whose major part is an analog circuit and a digital communication circuit by making communication controllers or terminal equipments correspond to terminating sets via start-stop circuit connecting adapter.
CONSTITUTION: When the logic level of received signal R becomes "1", incoming display Ci turns ON to turn data terminal ready signal ER ON and at the same time, FF12 is preset through AND between signals R and ER to turn data set ready signal RD ON. In addition, the logic level of transmitted data signal SD with communication OFF is "1", transmitted signal T is turned ON through AND between signals SD and ER. Once the level of signal R falls from "1"∼"0", counter 11 starts operating to reset FF12, and consequently the logic level of data set ready signal DR changes from "1" into "0". On detecting signal DR being OFF, signal ER turns OFF, causing signal T to turn OFF. Further, transmission request signal RS is made to correspond to transmission enable signal CS for interchangeability with a control program composed mainly of an analog circuit.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15996978A JPS5590158A (en) | 1978-12-27 | 1978-12-27 | Adapter for start-stop circuit connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15996978A JPS5590158A (en) | 1978-12-27 | 1978-12-27 | Adapter for start-stop circuit connection |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5590158A true JPS5590158A (en) | 1980-07-08 |
JPS5756988B2 JPS5756988B2 (en) | 1982-12-02 |
Family
ID=15705117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15996978A Granted JPS5590158A (en) | 1978-12-27 | 1978-12-27 | Adapter for start-stop circuit connection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5590158A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194551A (en) * | 1983-04-20 | 1984-11-05 | Fujitsu Ltd | Data communication system |
JPS6264049U (en) * | 1985-10-11 | 1987-04-21 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5230304A (en) * | 1975-09-04 | 1977-03-08 | Nippon Telegr & Teleph Corp <Ntt> | Asynchronous terminal connection method |
-
1978
- 1978-12-27 JP JP15996978A patent/JPS5590158A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5230304A (en) * | 1975-09-04 | 1977-03-08 | Nippon Telegr & Teleph Corp <Ntt> | Asynchronous terminal connection method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194551A (en) * | 1983-04-20 | 1984-11-05 | Fujitsu Ltd | Data communication system |
JPS6264049U (en) * | 1985-10-11 | 1987-04-21 |
Also Published As
Publication number | Publication date |
---|---|
JPS5756988B2 (en) | 1982-12-02 |
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