![FTDI USB Serial Port COM3 Adapter Cable for Laptop Mobile Cellular Phone Tablet PC SBC IPC USB-DB9 Converter VCP - AliExpress FTDI USB Serial Port COM3 Adapter Cable for Laptop Mobile Cellular Phone Tablet PC SBC IPC USB-DB9 Converter VCP - AliExpress](https://ae01.alicdn.com/kf/S9fd807094702434f96400620e41c0f37W.jpg_640x640Q90.jpg_.webp)
FTDI USB Serial Port COM3 Adapter Cable for Laptop Mobile Cellular Phone Tablet PC SBC IPC USB-DB9 Converter VCP - AliExpress
![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-005-max.png)
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
![Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens](https://support.industry.siemens.com/cs/images/13396821/13396821_freischalten_der_com-ports_in_pt_02_e.gif)
Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens
![COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center](https://support.arduino.cc/hc/article_attachments/360016531980/COM_port_changes_3.png)
COM port number changes when connecting board on different ports or in bootloader mode – Arduino Help Center
![Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens](https://support.industry.siemens.com/cs/images/13396821/13396821_freischalten_der_com-ports_in_pt_01_e.gif)
Using serial ports as of COM3 for ProTool project transfer from the PC to the panel - ID: 13396821 - Industry Support Siemens
![How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base](https://media.plugable.com/images/kb/714099/set-com-windows-004-max.png)