DW4020 LEDs status
This section describes the LEDs’ appearance during typical DW4020 operation. It also describes their appearance when some basic problem is occurring.
Normal operation, no transmit or receive
When the DW4020 is powered on but not receiving or transmitting data, it appears as shown in Figure 43. The modems’ READY LEDs are continuously lit. Both the Gateway LEDs are continuously lit.
Modems’ READY 
LEDs continuously lit
Both Gateway LEDs continuously lit
Figure 43: DW4020 normal operation, no data received or transmitted
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Chapter 4 • DW4020 LEDs and troubleshooting
