Auto-Zone Control Systems SS0070 USB-Link Technical Guide, Installation Instructions for the SS0070 USB-Link (Version 01D) - Manual (Page 9)

USB-Link Technical Guide
9 Operator Interface
Finding What COM Port Number the
USB-Link is Using
1. Left-click on <Start> , located on the bottom left of the
Windows toolbar. Select <Control Panel> . Double-click
the <System> icon.
2. Click the <Hardware> tab. Click the <Device
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 II software.
5. If the COM port number is 10 or greater, go to “Chang-
ing the USB COM Port Number” in the Troubleshooting
section on page 15; otherwise, continue with the section
“Prism II Setup” on page 10.
Finding the COM Port Number