JPS5646351A - Serial interface device - Google Patents
Serial interface deviceInfo
- Publication number
- JPS5646351A JPS5646351A JP12172179A JP12172179A JPS5646351A JP S5646351 A JPS5646351 A JP S5646351A JP 12172179 A JP12172179 A JP 12172179A JP 12172179 A JP12172179 A JP 12172179A JP S5646351 A JPS5646351 A JP S5646351A
- Authority
- JP
- Japan
- Prior art keywords
- address
- function
- interface device
- terminal device
- serial interface
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/403—Bus networks with centralised control, e.g. polling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
Abstract
PURPOSE:To enable to connect conventional terminal units to the time sharing multiplex transmission system easily, by independently providing the serial interface device having the address discriminating function and transmission speed conversion function and so on from the terminal device main body. CONSTITUTION:The conventional terminal device 201 without the address discrimination function is connected to the transmission line via the serial interface device 30 with the required function such as address discriminating function and transmission speed conversion function separately provided. Thus, the same as the terminal devices 202-20n exclusive use for the transmission system having the address discriminating function, the address specific to the terminal device 201 is assigned. The interface device 30 is driven by the central processing unit 10 designating the device address, allowing to give and receive the data between the terminal device 301 and the central processing unit 10 by way of the interface device 30.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12172179A JPS5646351A (en) | 1979-09-21 | 1979-09-21 | Serial interface device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12172179A JPS5646351A (en) | 1979-09-21 | 1979-09-21 | Serial interface device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5646351A true JPS5646351A (en) | 1981-04-27 |
Family
ID=14818229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12172179A Pending JPS5646351A (en) | 1979-09-21 | 1979-09-21 | Serial interface device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5646351A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159945A (en) * | 1984-08-31 | 1986-03-27 | Hitachi Ltd | System for communicating and processing plural media |
JPS6193055U (en) * | 1984-11-22 | 1986-06-16 | ||
JPH03226046A (en) * | 1990-01-30 | 1991-10-07 | Nec Corp | Monitoring device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477040A (en) * | 1977-12-02 | 1979-06-20 | Hitachi Ltd | Data transmitter |
-
1979
- 1979-09-21 JP JP12172179A patent/JPS5646351A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477040A (en) * | 1977-12-02 | 1979-06-20 | Hitachi Ltd | Data transmitter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159945A (en) * | 1984-08-31 | 1986-03-27 | Hitachi Ltd | System for communicating and processing plural media |
JPS6193055U (en) * | 1984-11-22 | 1986-06-16 | ||
JPH03226046A (en) * | 1990-01-30 | 1991-10-07 | Nec Corp | Monitoring device |
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