Why in Putty displays incorrect characters?

Why when typing commands in the terminal, Putty passed some nonsense like this:
was the text of the cisco system network switch
and the terminal typed it here5afbe3633f91e722519750.png
Encoding is UTF-8.
How to fix it?
June 5th 19 at 21:33
4 answers
June 5th 19 at 21:35
The fault RS232 cable. Need to be replaced.
June 5th 19 at 21:37
Bad contact on the cable.
June 5th 19 at 21:39
to set the encoding, which expects to see the device
How to know what encoding it expects?
The cisco 3650 - augustin commented on June 5th 19 at 21:42
this rs232 ? port settings correct?

do it on the default settings works correctly - Reb commented on June 5th 19 at 21:45
Yes rs232. default speed to 9600 to 115200 does not work at all - augustin commented on June 5th 19 at 21:48
It's not like the encoding, some characters are normal, some are not. More like interference, cable, plug or connection settings, especially rs232 - Elisabeth.Donnelly commented on June 5th 19 at 21:51
June 5th 19 at 21:41

To check the current charset in PUTTY
Encoding is UTF-8 - augustin commented on June 5th 19 at 21:44

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