Appendix C : Troubleshooting Ethernet
C-2 Lasair® Pro Aerosol Particle Counter Operations Manual
b. Make sure the PC and the device are on the same network.
c. Check the PC’s address by opening a command prompt and typing ipconfig.
i. Is the Mask the same on both the PC and the device?
ii. Is the network portion of the address the same on both the PC and the
device?
Figure C-2. Example for ipconfig command
d. Does an LED on the device’s Ethernet connector blink when a ping is
transmitted to it?
If not there may be an addressing error with the device, or a configuration
problem with the router or switch the device is attached to.
i. Try repowering the device to re-establish communications with the
router or switch.
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