With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanInsT200
data Sig Chan Ins T200
This attribute specifies the maximum time between a layer 2 frame and its acknowledgement
Back to Nortel-Magellan-Passport-DisdnJapanInsMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanInsT200 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.