With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
btdsFramerInterfaceName
btds Framer Interface Name
This attribute contains a hardware component name. The attribute associates the application with a specific link. This defines the module processor on which Framer's parent component (as well as Framer itself) will run.
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IPHost Network monitor allows you to monitor btdsFramerInterfaceName 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.