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中国DOS联盟论坛 The time now is 2026-10-31 16:48 |
47,815 topics / 349,930 posts / today 0 new / 48,290 members |
| DOS开发编程 & 发展交流 （开发室） » Is there nothing related to serial ports under DOS? |
| Printable Version 2,676 / 6 |
| Floor1 nokor | Posted 2007-08-27 22:45 |
| 初级用户 Posts 11 Credits 27 | |
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Is there nothing related to the serial port under DOS?
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| Floor2 scrate | Posted 2007-09-15 02:45 |
| 初级用户 Posts 73 Credits 160 | |
| Floor3 BA_WANG_MAO | Posted 2007-09-27 09:08 |
| 初级用户 Posts 13 Credits 147 | |
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How to program to control the RS232 serial port in pure MSDOS 6.22 with detailed information and source code
http://www.cn-dos.net/forum/viewthread.php?tid=33505 |
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| Floor4 rocmagic | Posted 2007-10-16 19:06 |
| 初级用户 Posts 12 Credits 26 | |
| Floor5 a27283218 | Posted 2007-10-25 21:47 |
| 新手上路 Posts 1 Credits 2 From 福建省泉州市德化县 | |
| Floor6 netwinxp | Posted 2007-11-12 11:58 |
| 高级用户 Posts 366 Credits 741 | |
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MSC51 uses 5V CMOS levels, which are different from RS232's ±12V levels. If directly connected to MSC51, only current loops can be used and optocoupler isolation is required. Now it is usually recommended to use a 232 chip (such as MAX232) for level conversion before connection.
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| Floor7 nokor | Posted 2007-12-27 23:11 |
| 初级用户 Posts 11 Credits 27 | |
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