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Tektronix THS7xxx Scope Hack/Teardown/Discussion - FW 1.16 found

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harrimansat:
W8 & W10 & WXP with a USB to serial CH340

harrimansat:
check this

walter.aranda:

--- Quote from: harrimansat on July 05, 2024, 05:26:23 pm ---W8 & W10 & WXP with a USB to serial CH340

--- End quote ---
Hi I use W10 64bit, and the same USB-RJ45 (serial chip CH340) I attach a photo of product and also the driver.

harrimansat:
Your cable isn“t compatible with the THS, you need to change pins position. You will need to change the connector or buy a custom RJ45 to RJ45 box

walter.aranda:
Sorry, I forgot to mention that detail. It's true, the pinout of that cable is different from the THS, so I changed the pin order to match, but I have not received a response. I am using THS7XX.exe and wintek32.exe to perform Hard copy tests. I noticed a peculiarity: I created a program in Python to use the serial port (attached). The program sends a request through the Tx pin and waits for a response on the Rx pin. Looking at the pin order provided by the cable manufacturer, I noticed it does not match, and according to what I saw on the pins (with a logic analyzer), I have the following:

pin 4: GND (blue)
pin 5: Tx (brown)
pin 6: Rx (orange)

This does not match the manufacturer's information, and I have not received any response from the oscilloscope. I also changed the pins to match what the manufacturer indicates and still got no response. Is it possible that to open the THS serial port, a request must first be sent on a certain pin (in the THS.exe program, a series of data is sent through the DCD pin)? Another thing I noticed is that when I press HARDCOPY on the oscilloscope and look at its own pins (with the same scope), I do not get any response from any of its pins when I press that button, is it correct?
Regards

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