With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frMuxLmiStateEntry
Frame Relay Mux Lmi State Entry
1.3.6.1.4.1.1570.1.3.11.1
An entry in the frMuxLmiStateTable.
Back to Nortel-Magellan-Passport-FrameRelayMuxMIB MIB page.
IPHost Network monitor allows you to monitor frMuxLmiStateEntry on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel modems right now.