Operation Manual
Diagnostic Test
The Diagnostic Test page shows the test results for the physical layer and protocol
layer for both LAN and WAN sides.
Testing Ethernet LAN Connection:
This test checks the Ethernet LAN interface connection.
Testing ADSL Synchronization:
This test checks the ADSL showtime. If this test returns FAIL, all other tests will be
skipped.
Test ATM OAM segment Loop Back:
This test sends ATM OAM F5 Segment loop-back request cells to the CO. This test will
pass if response cell is received. Some service providers might not support this test. If
this test fails consistently and the ADSL modem does not seem to be working, make
sure the VPI and VCI are configured correctly.
Test ATM OAM End-to-End Loop Back:
This test sends ATM OAM F5 End to End loop back request cells to the CO. This test will
pass if response cell is received. Some service providers might not support this test. If
this test return FAIL consistently and the ADSL modem does not seem to be working,
make sure the VPI and VCI are configured correctly.
Test Ethernet Connect to ATM: This test checks the ATM AAL5 module is loaded
correctly.
Test PPP Layer Connection:
This test checks the PPP authentication.










