CN2591670Y - Fax comuter interface device - Google Patents
Fax comuter interface device Download PDFInfo
- Publication number
- CN2591670Y CN2591670Y CN 02289849 CN02289849U CN2591670Y CN 2591670 Y CN2591670 Y CN 2591670Y CN 02289849 CN02289849 CN 02289849 CN 02289849 U CN02289849 U CN 02289849U CN 2591670 Y CN2591670 Y CN 2591670Y
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- CN
- China
- Prior art keywords
- facsimile recorder
- chip
- line interface
- master chip
- input
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Abstract
The utility model discloses an interface device for facsimile machines and computers, and relates to data communication between the facsimile machines and the computers. The utility model comprises a main chip of the facsimile machine and a serial interface of the computer, wherein, the input and the output terminals of a serial interface of the main chip of the facsimile machine are correspondingly connected with the output and the input terminals of a serial interface of a level translator; the input and the output end of the other serial interface of the level translator are correspondingly connected with the output and the input terminals of a serial interface of the computer. The utility model is suitable for connecting the facsimile machine and the computer and leads the facsimile machine and the computer to communicate data. The utility model has the advantages of simple structure and strong versatility, and can fast realize data communication between the computer and the facsimile machine.
Description
Technical field
The utility model relates to the data communication between facsimile recorder and the computing machine, more particularly, relates to the interface arrangement between facsimile recorder and the computing machine.
Background technology
At present, the apparatus structure that the realization facsimile recorder is connected with computing machine is generally comparatively complicated, Chinese patent application, application number: 97108779.2, disclose a kind of facsimile recorder on Dec 20th, 1997 and had interface arrangement between the computing machine of modulator-demodular unit, what adopt is by modulator-demodular unit computing machine to be connected with facsimile recorder, exists complex structure, transmission speed to wait deficiency slowly.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of simple in structure, can realize the device of data communication between computing machine and the facsimile recorder fast.
Facsimile recorder computer interface unit of the present utility model, comprise facsimile recorder master chip, computing machine serial line interface, described facsimile recorder master chip serial line interface input, the corresponding output of level translator serial line interface, the input end of connecting of output terminal, another serial line interface input of described level translator, corresponding described computing machine serial line interface output, the input end of connecting of output terminal.
The another kind of technical scheme of the utility model facsimile recorder computer interface unit: comprise facsimile recorder master chip, computing machine serial line interface, described facsimile recorder master chip is connected to the level translator serial line interface through the expansion serial port chip, another serial line interface input of described level translator, corresponding described computing machine serial line interface output, the input end of connecting of output terminal.
Described facsimile recorder master chip preferably adopts corresponding successively 8 the data input ends that connect described expansion serial port chip of 8 data lines, the interruption output terminal of described facsimile recorder master chip connects the interrupting input end of described expansion serial port chip, reading of described facsimile recorder master chip, write end reading of the corresponding described expansion serial port chip of connection respectively, write end, the sheet choosing end of described facsimile recorder master chip connects the sheet choosing end of described expansion serial port chip, corresponding successively 3 the control bus input ends that connect described expansion serial port chip of 3 control buss of described facsimile recorder master chip, the serial ports input of described expansion serial port chip, the corresponding respectively serial ports output that connects level translator of output terminal, input end, another serial line interface input of described level translator, the described computing machine serial line interface output of the corresponding connection of output terminal, input end; The model of described facsimile recorder master chip is any among FC100, FC100-M, FC200, FC200-M, CXD945013, CXD945014, CXD945015, CXD945016, CXD945023, CXD945024, the CXD945025; Described expansion serial port chip model is UART16550.
The beneficial effects of the utility model are, and are simple in structure, transmission speed fast, highly versatile, and this is because the method that the utility model has adopted facsimile recorder directly to link to each other with serial ports of computers.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment one.
Fig. 2 is the structured flowchart of the utility model embodiment two.
Embodiment
Below in conjunction with embodiment and accompanying drawing, further specify the utility model.
Facsimile recorder master chip model adopts the FC100 of U.S. CONEXANT company in Fig. 1, its serial ports output terminal 3 connects the serial ports input end RIN of level translator, the serial ports input end 5 of FC100 connects the serial ports output terminal TOUT of level translator, the serial ports input end TIN of level translator and serial ports output terminal ROUT correspondingly are connected to computer by serial output terminal RX and input end TX respectively, and serial ports of computers is the RS232 serial ports in the drawings.
If adopt the connected mode of Fig. 1, its data communication rates can reach 57K.
Facsimile recorder master chip model adopts the FC100 of U.S. CONEXANT company in Fig. 2, and the model of the expansion serial port chip among the figure is UART16550, is the NS16550AFN of American National Instrument Semicondutor company, the data line D of FC100
0To D
7The D that connects described expansion serial port chip successively
0To D
7End, the broken ends of fractured bone connects the broken ends of fractured bone among the INT that expands serial port chip, the WR of FC100 among the CP1010G of FC100
nEnd and RD
nEnd connect respectively expansion serial port chip-LOW and-the IOR end, the CS of FC100
InEnd connects expansion serial port chip-CS2 end, the control bus A of FC100
0To A
3The A that connects described expansion serial port chip successively
0To A
3End, corresponding respectively serial ports ROUT, the TIN end that connects level translator of serial ports RX, the TX end of expansion serial port chip, corresponding respectively RX, the TX end that connects serial ports of computers of another serial ports TOUT, the RIN end of level translator.The essence of present embodiment is FC100 parallel port output data, output after the expansion serial port chip is gone here and there and changed, thereby the serial ports of FC100 can be used for other uses.
If adopt the connected mode of Fig. 2, its data communication rates can reach 114K.
Claims (5)
1. facsimile recorder computer interface unit, comprise facsimile recorder master chip, computing machine serial line interface, it is characterized in that, output, input end that the serial line interface input of described facsimile recorder master chip, output terminal connect the level translator serial line interface accordingly, another serial line interface input of described level translator, output terminal are connected to output of computing machine serial line interface and input end accordingly.
2. facsimile recorder computer interface unit, comprise facsimile recorder master chip, computing machine serial line interface, it is characterized in that, described facsimile recorder master chip is connected to the level translator serial line interface through the expansion serial port chip, another serial line interface input of described level translator, corresponding described computing machine serial line interface output, the input end of connecting of output terminal.
3. facsimile recorder computer interface unit according to claim 2, it is characterized in that, corresponding successively 8 the data input ends that connect described expansion serial port chip of 8 data lines of described facsimile recorder master chip, the interruption output terminal of described facsimile recorder master chip connects the interrupting input end of described expansion serial port chip, reading of described facsimile recorder master chip, write end reading of the corresponding described expansion serial port chip of connection respectively, write end, the sheet choosing end of described facsimile recorder master chip connects the sheet choosing end of described expansion serial port chip, the corresponding successively control bus input end that connects described expansion serial port chip of 3 control buss of described facsimile recorder master chip, the serial ports input of described expansion serial port chip, the corresponding respectively serial ports output that connects level translator of output terminal, input end.
4. facsimile recorder computer interface unit according to claim 2 is characterized in that, the model of described expansion serial port chip is UART16550.
5. facsimile recorder computer interface unit according to claim 1 and 2, it is characterized in that the model of described facsimile recorder master chip is any among FC100, FC100-M, FC200, FC200-M, CXD945013, CXD945014, CXD945015, CXD945016, CXD945023, CXD945024, the CXD945025.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289849 CN2591670Y (en) | 2002-12-10 | 2002-12-10 | Fax comuter interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289849 CN2591670Y (en) | 2002-12-10 | 2002-12-10 | Fax comuter interface device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591670Y true CN2591670Y (en) | 2003-12-10 |
Family
ID=33749279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02289849 Expired - Fee Related CN2591670Y (en) | 2002-12-10 | 2002-12-10 | Fax comuter interface device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591670Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572144A (en) * | 2010-12-15 | 2012-07-11 | 迈普通信技术股份有限公司 | Anti-interference method for fax over IP (internet protocol) and IPPBX (Internet Protocol Private Branch Exchange) equipment |
| CN104485937A (en) * | 2014-11-24 | 2015-04-01 | 成都盛军电子设备有限公司 | Output level conversion circuit of delay signal generator |
-
2002
- 2002-12-10 CN CN 02289849 patent/CN2591670Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572144A (en) * | 2010-12-15 | 2012-07-11 | 迈普通信技术股份有限公司 | Anti-interference method for fax over IP (internet protocol) and IPPBX (Internet Protocol Private Branch Exchange) equipment |
| CN102572144B (en) * | 2010-12-15 | 2013-12-11 | 迈普通信技术股份有限公司 | Anti-interference method for fax over IP (internet protocol) and IPPBX (Internet Protocol Private Branch Exchange) equipment |
| CN104485937A (en) * | 2014-11-24 | 2015-04-01 | 成都盛军电子设备有限公司 | Output level conversion circuit of delay signal generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |