With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
tdmaBcModemIndex
tdma Bc Modem Index
This variable represents the index for the tdmaBcModem tables.
Back to Nortel-Magellan-Passport-TdmaIwfMIB MIB page.
IPHost Network monitor allows you to monitor tdmaBcModemIndex 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 multiplexers right now.