J-Link Virtual COM Port
Revision as of 18:01, 7 January 2020 by Alex (talk | contribs) (Created page with "Category:Knowledge Base Virtual COM port (VCOM) is a technology used to replace the traditional COM ports on modern PCs and laptops. Modern PCs and notebooks usually do n...")
Virtual COM port (VCOM) is a technology used to replace the traditional COM ports on modern PCs and laptops.
Modern PCs and notebooks usually do no longer provide COM connectors on their mainboards due to the large size factor of the COM port connector and the fact that very few consumer users have any use for them.
VCOM basically specifies a protocol for USB that allows a USB device to show up as a COM port at the PC. This allows companies to produce USB-2-serial adapters that have a USB connector on one side and a COM connector on the other one and so equip a modern machine with a COM port.
USB class
For VCOM, the USB CDC-ACM class is used.
