FINDING THE COM PORT NUMBER. WattMaster VAV CommLink 5 Communications Interface

USB DRIVER INSTALLATION

Finding the COM Port Number

Finding What COM Port Number the

CommLink 5 is Using

1. Left-click on

<start>

, located on the bottom left or top left of the Windows Tool Bar.

6. Click on the plus sign next to Ports to see all of the common ports.

2. Select

<Control Panel>

.

3. Double-click the System Icon.

4. Click the

<Hardware>

tab.

7. 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 software.

8. If the COM port number is 10 or greater, go to “Changing the USB COM Port Number” in the Troubleshooting section on page 15.

5. Click the

<Device Manager>

button.

CommLink 5 Technical Guide

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