D-Link DCM-201 - Manual (Page 28)

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Power Green Cable modem is plugged in to an
electrical outlet and is and receiving
power
Cable Orange-Blinking The modem is searching for the
DOWNSTREAM frequency
Orange Downstream frequency is locked.
Searching for UPSTREAM frequency
Green Upstream frequency is locked
Status Green-Blinking Modem is registering with the cable
company’s head-end
Green Modem is ready for data transfers
ETH Green Valid Ethernet link status
Green-Blinking Cable modem is transmitting/receiving
data through the Ethernet port
USB Green USB interface is connected
Green-Blinking Data is being sent/received through the
USB port
What the LED Activity Means
LED LABEL COLOR DESCRIPTION
LED Label Color Description