With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniLtsLastActiveInterval
Frame Relay Uni Lts Last Active Interval
This attribute indicates the actual time it took to generate all of the enabled patterns in the last cycle. If cycleIncomplete is true, this value should be zero.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniLtsLastActiveInterval 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.