With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
apsFarEndRequestChannel
aps Far End Request Channel
This attribute indicates to which channel the farEndRequest applies.
Back to Nortel-Magellan-Passport-ApsMIB MIB page.
IPHost Network monitor allows you to monitor apsFarEndRequestChannel 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.