With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
askeyADSLLineStatusExtTable
askey ADSL Line Status Ext Table
1.3.6.1.4.1.3646.1300.2.2.1.16
This table is a adslLineTable extended table for line status.
Back to ASKEY-ADSL-MIB MIB page.
IPHost Network monitor allows you to monitor askeyADSLLineStatusExtTable on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link switches right now.