D-Link DSL-321B User Manual page 52

Section 3 - Configuration
DIAGNOSTICS
Your router is capable of testing your DSL connection. The individual tests are listed below. If a test displays a fail status, click "Re_run Diagnostics
Tests" at the bottom of this page to make sure fail status is consistent. If the test continues to fail, click "Help" and follow the troubleshooting
procedures.
.
SYSTEM CHECK
There are Test your Ethernet Connection and Test ADSL
Synchronization and they will show PASS or FAIL
INTERNET CONNECTIVITY CHECK
There are Test the assigned IP address, Ping ISP Default
Gateway and Ping Preferred DNS server and they will show
PASS, FAIL or N/A
Please click the Re_run Diagnostics Tests button to Diagnostic
the above test items.
D-Link DSL-321B User Manual 52