Sierra Wireless 20070914 - Manual (Page 61)

Universal Serial Bus (USB)
Rev 3.0B Feb.08 48
Figure 6-12: Device Manager : Driver menu
b. Select the Advanced tab and click the Advanced Port
Settings button.
Figure 6-13: Driver Properties
c. At the bottom of the screen, the current port used will
be listed. Use the drop down menu to select an
available COM port number if you need to change it.