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# 更新日期 问题 序号
1 2005/11/2 I could use my Application Program to open COM1~COM9. But why couldn't I open ports numbered 10 or higher, such as 'COM10', 'COM11', etc., when using WIN32 SDK to develop a program in Borland C++ Builder/ Visual C++ to control ports? 23791
2 2005/12/30 I've installed NPort/NE series Driver properly, but why can not my application program (AP) open ports successfully? 23712
3 2005/4/13 How can I know Moxa MSB, NPort and Async Server FIFO size? 21136
4 2006/1/17 I can PING and Telnet NPort, but why can not my own TCP Client program successfully connect with NPort? 18793
5 2006/1/17 I can PING & Telnet NPort. Why can not my own UDP program Rx/Tx data via NPort properly? 18568
6 2005/12/30 Why can't my NPort connect to Cisco Catalyst 6500 series Ethernet Switch (Link LED Off)? 18160
7 2005/12/30 Does Moxa provide any examples of Windows COM Port Programming? 17962
8 2006/1/17 I can PING & Telnet NPort, but why can not NPort connect with my own TCP Server program properly? 17773
9 2005/10/26 When I install NPort Real COM driver, I see a "Fast Flush" option, what does it mean? 17541
10 2007/5/7

I plan to locate NPort behind NAT router to use private IP. And I want to install it as real COM port on my system. What shall I do?

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