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I'm using PuTTY to make a serial connection to a device. I need to send a hexadecimal string on this session. How do I do this?

The hexadecimal string is FF7E414244.

This is required to break the serial device into command interface mode...

From an Windows XP machine, I can use HyperTerminal. And then on the serial connection, do a "send file", where the file has this hexadecimal string entered using hex editing means. So this mechanism works.

But now I have a Windows 7 with no HyperTerminal. So I'm using PuTTY. But now how do I send the hex string?

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  • are you sure sending a "break" won't accomplish the same thing? if you right click on the title bar of your putty session you can do a send special and this is one of the options. Jun 21 '11 at 3:14
  • No its not the same as sending a "break". I want to send this specific hex string over on the serial connection and I have a win7 machine. So since I cant use hyperterminal, is there any other way to do it? (using putty or any other mechanism?) Jun 21 '11 at 17:27
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    Have you tried Kermit? columbia.edu/kermit/k95faq.html It works on windows 7(according to the docs) and has send file support.
    – polynomial
    Aug 23 '11 at 0:33
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It can not be done with PuTTY. Use Tera Term instead. Make sure you send in "Binary" mode - there's a checkbox for it when sending a file using Tera Term.

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You can also use RealTerm which is even better than TeraTerm, which is already good

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