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Rev. 1 - YML674 www.netcomm.com.au
NB1300Plus4 ADSL Modem Page 55
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Diagnostic Test
The Diagnostic Test page shows the test results for the connectivity of 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 PPPoE Connection: This test checks the PPPOE connection.
Test PPP Layer Connection: This test checks the PPP authentication.
Test IP Connect to PPP: This test checks a valid IP address assigned from the service
provider. Please note that on some ADSL services this test may fail despite the fact that
you have connected correctly.
Ping Primary DNS: This test checks the primary DNS can be reached through ping
request. For example, Query DNS for www.netcomm.com.au
This performs a quick connectivity test to the NetComm website.
Note: on some ADSL services this test may fail despite you have connected correctly.