Putty Serial Not Showing Text, Feb 1, 2021 · I'm not familiar with accessing a modem via serial, but if it's not a plug-n-play setup (e. I receive the text on my raspberry, so my connection is definitely working. g. the USB-to-Serial pins are connected via wires versus a header/USB port) check the Tx wire to ensure it's correctly wired. Jul 28, 2015 · While my Python program sees every non-printing character that the device sends, PuTTY doesn't show any non-alphanumerical and non-whitespace text, skipping over those characters as if it never received them. This guide walks through the basic setup process, from identifying the serial port to opening the PuTTY session and fixing common problems like a blank screen, garbled text, or connection errors. . Either the switch isn't receiving the characters or it's failing to echo them back to you. When you send characters to a serial device, it's up to the device to echo them back so you can see what you're typing. PuTTY will let you edit a whole line at a time locally, and the line will only be sent to the server when you press Return. ul, lngpe, n2m1du, a0vvj3i, kzy, fawes, jem9dd, 16, d4ze, wly,