With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adGenAOSnmTimeSinceLastStatusChange
Adtran Gen AOS Network Monitor Time Since Last Status Change
1.3.6.1.4.1.664.5.53.2.2.4.1.7
Time since last status change.
Back to ADTRAN-AOS-NETWORKMONITOR MIB page.
IPHost Network monitor allows you to monitor adGenAOSnmTimeSinceLastStatusChange on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN access points right now.