Finding the com port number – Auto-Zone Control Systems USB-Link 2 Technical Guide, Installation Instructions for the USB-Link 2 (Version 01E) User Manual
Page 18

USB-Link 2
2
Technical Guide
Finding What COM Port Number the
USB-Link 2 is Using
1. Left-click on
, located on the bottom left of the
Windows toolbar. Select
. Double-click
the
icon.
2. Click the
tab. Click the
Manager>
button.
3. Click on the plus sign next to Ports to see all of the COM
ports.
4. Locate the USB Serial Port (COM#). The COM# in
parentheses is the port it is located on. Write this COM port
number down. You will need to know this when setting up
the Prism 2 software.
5. If the COM port number is 10 or greater, go to
“Changing the USB COM Port Number” in the
Troubleshooting section on page 12; otherwise,
continue with the section “Prism 2 Setup” on
the next page.
Finding the COM Port Number