With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnLcnDcIndex
appn Logical Channel Number Dc Index
This variable represents the index for the appnLcnDc tables.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnLcnDcIndex 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.