With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
swIndex
Software Index
1.3.6.1.4.1.1588.2.1.1.1.1.1.10
This variable represents the index for the sw tables.
Back to Nortel-Magellan-Passport-SoftwareMIB MIB page.
IPHost Network monitor allows you to monitor swIndex 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.