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I have a device which connects via serial port. I communicate with it via Windows Hyper Terminal. I'm just wondering, what protocol does it use? As you probably, know hyper terminal can display and accept input as well. It's a two way communication.

Thank you for any help.

user1034912
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2 Answers2

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HyperTerminal uses the following communication protocols according to TechNet:

Transmission protocol and port: The protocols used are Kermit, Xmodem, Xmodem-1K, Ymodem, Ymodem-G and Zmodem transmissions protocols on port 23

Enrico Campidoglio
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  • The communication protocol to use is specified on the [connection properties](http://www.angelfire.com/mac/gregor49032/Files/winxptcr/winsock/1.htm#4) or when [transferring a file](http://www.angelfire.com/mac/gregor49032/Files/winxptcr/winsock/1.htm#6). – Enrico Campidoglio Mar 20 '12 at 08:53
  • If HyperTerminal is used [as a Telnet client](http://www.angelfire.com/mac/gregor49032/Files/winxptcr/winsock/2.htm#2) then the protocol is specified on the command line. – Enrico Campidoglio Mar 20 '12 at 09:00
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There is actually no protocol. Serial sends and recieve bits. You specify them in your serial setting when you want to communicate with a device. Typically 8 bits are specified which is equivalent to an ASCII character. Both communicating parties send and receive ASCII data any time they want

user1034912
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