With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adUnitMaxTelnetAccess
ad Unit Max Telnet Access
1.3.6.1.4.1.664.5.30.2.1.2
The maximum number of active telnet sessions.
Back to ADTRAN-ADUNIT-MIB MIB page.
IPHost Network monitor allows you to monitor adUnitMaxTelnetAccess on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN switches right now.