With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
ntpIndex
ntp Index
1.3.6.1.4.1.6302.2.1.5.1.7.8
An 8-digit code which is an index into an NTP to provide more description of the alarm and possible actions to take. The first 4 digits indicate a 'group' of alarms (belonging to a particular subsystem or component, etc.). The last 4 digits are a subindex arbitrarily assigned by the application which is responsible for them.
Back to Nortel-Magellan-Passport-AlarmMIB MIB page.
IPHost Network monitor allows you to monitor ntpIndex 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.