With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnPortInbLinkActLim
appn Port Inb Link Act Lim
This is the inbound link activation limit. This is the maximum number of link stations which can be simultaneously active as a result of connection initiations from adjacent nodes.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnPortInbLinkActLim 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.