With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
shelfCardBusTapStateEntry
shelf Card Bus Tap State Entry
1.3.6.1.4.1.43.1.12.3.1.1.2.2.2.10.1
An entry in the shelfCardBusTapStateTable.
Back to Nortel-Magellan-Passport-ShelfMIB MIB page.
IPHost Network monitor allows you to monitor shelfCardBusTapStateEntry 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 secure routers right now.