With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
shelfCardDiagRowStatus
shelf Card Diag Row Status
1.3.6.1.4.1.43.1.12.3.1.1.2.2.4.1.1.1
This variable is used as the basis for SNMP naming of shelfCardDiag components. These components cannot be added nor deleted.
Back to Nortel-Magellan-Passport-ShelfMIB MIB page.
IPHost Network monitor allows you to monitor shelfCardDiagRowStatus 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.