D-Link DSL-G2562DG Quick Start Manual page 2

7. Restart the router for settings to apply
8.Check under Status > WAN > Network > under IPv4 WAN Connection Status >
Connection name: Dongle > Status
Connected: Internet is working correctly
Connecting: router is busy connecting to internet
Disconnected: please restart router
Note:
Internet light will flash Red/Green when dongle connects to internet