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5D-Link DSL-2540B ADSL2+ 4-Port Router User Manual
Section 1 - General Information
Front Panel View
Status LED
A blinking light indicates traffic is
passing through.
Power LED
A solid green light indicates
the unit is powered up. A red
light indicates a malfunction.
Local Network LEDs
A solid light indicates a connection to an
Ethernet-enabled computer on ports 1-4.
This LED blinks during data transmission.
DSL LED
A Solid light indicates the DSL is synchronized.
A flashing LED indicates the router is attempting
to synchronize with the DSL provider.
Internet LED
A solid green light indicates that the router has an IP
address and is connected to the Internet. A red light
indicates that the router does not have an IP address
or authentication has failed. No light indicates that
an ADSL connection is not present or the router is in
bridge mode.