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Chapter 4 • DW4020 LEDs and troubleshooting
1031484-0001 Revision 2
53
Chapter 4
DW4020 LEDs and troubleshooting
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 DW4020 LEDs 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.