With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
shelfCardDiagIndex
shelf Card Diag Index
1.3.6.1.4.1.43.1.12.3.1.1.2.2.4.1.1.10
This variable represents the index for the shelfCardDiag tables.
Back to Nortel-Magellan-Passport-ShelfMIB MIB page.
IPHost Network monitor allows you to monitor shelfCardDiagIndex 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 speech servers right now.