With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
x25DtePLcnStorageType
x25 Dte P Logical Channel Number Storage Type
1.3.6.1.4.1.562.2.4.1.90.3.1.1.4
This variable represents the storage type value for the x25DtePLcn tables.
Back to Nortel-Magellan-Passport-X25DteMIB MIB page.
IPHost Network monitor allows you to monitor x25DtePLcnStorageType 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 modems right now.