With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
nSSecondaryReference
n S Secondary Reference
This component name is the port that is the second choice for the reference for the network clock.
Back to Nortel-Magellan-Passport-TimeMIB MIB page.
IPHost Network monitor allows you to monitor nSSecondaryReference 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.