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Front panel view, Led mode indication – D-Link Wireless ADSL2/2+ 4-port Ethernet Router DSL-2640U User Manual

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Front Panel View

LED

Mode

Indication

Solid Green

The router is powered on. (READY)

No light

The power is off.

Power

Red

Failure or device malfunction. (NOT READY)

Status

Flashing
Green

Traffic is passing through the device. (INTERNET
TRAFFIC)

Solid Green

DSL is synchronized.

No Light

No carrier signal.

Slow Flashing DSL attempting synch. Trying to detect carrier signal.

DSL

Fast Flashing Carrier has been detected and router is trying to train.
Solid Green

Wireless is up.

Flashing

Wireless traffic is passing through.

WLAN

No Light

Wireless is down.

Solid Green

Powered device connected to associated port

Flashing
Green

LAN activity present (traffic in either direction).

LAN 1-4

No Light

No activity, router power off, no cable or no powered

device is connected to the LAN port.

Solid Green

IP connected (device has a WAN IP address from IPCP or
DHCP and DSL is up or a static IP address is configured,

PPP negotiation has completed successfully (if used),
and DSL is up. (WAN IP AVAILABLE)

No Light

Router power off, router in bridge mode or ADSL

connection not present.

Internet

Red

Device attempted to become IP connected and failed
(no DHCP response, no PPPoE response, PPPoE

authentication failed, no IP address from IPCP, etc.).
(WAN IP NOT AVAILABLE)