D-Link DWL-120 User Manual page 25

TROUBLESHOOTING
UNDERSTANDING THE INDICATOR
Your Network Adapter has an indicator or light that can give you
information about your network traffic and help you determine prob-
lems when troubleshooting.
The DWL-120 PC Wireless USB Adapter has an indicator labeled
"LINK" on the top panel. A flashing green "LINK" light indicates
that the Network Adapter is sending or receiving data.
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