With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
shelfCardDiagRecErrLineIndex
shelf Card Diag Rec Error Line Index
1.3.6.1.4.1.43.1.12.3.1.1.2.2.4.3.2.1.1.10
This variable represents the index for the shelfCardDiagRecErrLine tables.
Back to Nortel-Magellan-Passport-ShelfMIB MIB page.
IPHost Network monitor allows you to monitor shelfCardDiagRecErrLineIndex 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.