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Troubleshooting
Dongle LED Indicator
Traffic 
Figure 4: Dongle LED Indicator
Traffic: Flashes green when packets are received.
Hub LED Indicators
Association/Traffic Power
Figure 5:
Power: Constant on when 5V DC is applied.
Association with Dongle/Traffic Indicator: Blinks slowly when a new device is connected to the Hub; blinks rapidly to indicate Rx/Tx traffic with your peripheral device.
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