Chapter 4

DW4020 LEDs and troubleshooting

The DW4020 LEDs

The DW4020 LEDs can provide information for troubleshooting units that aren’t functioning at all, or don’t seem to be functioning as well as they might. The LEDs can show modem or Gateway operational status--whether they are connected, powered up, or working at al. The LEDs can also blink in patterns that correspond to the TxCode and RxCode discussed in The System Status indicator on page 36. Finally, the Gateway Ethernet ports have LEDs that indicate their status.

The receive modem has a RX and a READY LED. The transmit modem has a TX and a READY LED. The Gateway has a STATUS and READY LED.

Note: Whenever the LEDs do not function properly as described below, check to be sure you have the correct power supply, PN 1031105-0001.

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Hughes manual DW4020 LEDs and troubleshooting