DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
Overview
Product Appearance
Figure 1. Top panel view.
LED Mode Description
POWER
Solid green
The router is powered on.
Solid red
After powering on: the router is being loaded; after
loading: the router is in the crash recovery mode.
No light The router is powered off.
LAN 1-4
Solid green
A device is connected to the port of the router (for
the LAN port configured as the WAN port: the
router is connected to an Ethernet line).
Blinking green Data transfer through the relevant LAN port.
No light The cable is not connected to the relevant port.
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