With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adUnitPingVerboseTable
ad Unit Ping Verbose Table
1.3.6.1.4.1.664.5.30.3.5.16
A table reporting the verbose output of the last ping test initiated via SNMP.
Back to ADTRAN-ADUNIT-MIB MIB page.
IPHost Network monitor allows you to monitor adUnitPingVerboseTable on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN multiplexers right now.