our notebook with serial port is defective. Is it better to buy a new notebook with a serial port or is a USB adapter sufficient? Are there problems if the machine has 12V and the USB adapter 5V?
The HP Probook 650 g2 notebook has a native serial port.
Posted on: Jun 14 2018 at 01:33:18 PM
Real serial port is better but usb is ok.
Don't worry about usb being 5v. The usb/rs232 chipset handles cnc rs232 voltage levels internally.
Posted on: Jun 16 2018 at 01:09:23 AM
Are you sure that HP has a native serial port? Looking at the picture the only 'old style' port I see is a 15pin 'D' connector. That's VGA, Not serial.
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