Cisco 7541 Hardware Installation Manual page 22

Chapter 1 Introducing the Cisco Wide Area Virtualization Engine 7541, 7571, and 8541
Connecting a Console Terminal
Note
If you happen to install the driver multiple times, each time the driver is installed the virtual COM port
number assigned to the USB port gets incremented. This is expected behavior and may not get reset even
if you uninstall the driver.
Cisco Wide Area Virtualization Engine 7541, 7571, and 8541 Hardware Installation Guide
1-8