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Telnet TCP or Raw TCP Port

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I am testing a Digi One SP using a TCP Sockets Profile. Should I use the Telnet TCP port or the Raw TCP port with my ethernet connection port setting in my Scale Interface software? Thanks!
asked Aug 28, 2018 in Serial Servers by Bill.Eversole New to the Community (0 points)

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1 Answer

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That really depends on your ETHERNET host.

"Telnet" encodes certain commands which are not data, so can do things like change baud rate, etc. So a true binary protocol like Modbus/RTU can't move through "telnet" easily as telnet does byte-stuffing & other changes in data.

If in doubt, try the RAW first.
answered Sep 18, 2018 by Coralyn Seasoned Professional (157 points)