With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dpnGateUtpFramerFrmModeErrors
dpn Gate Utp Framer Frm Mode Errors
1.3.6.1.4.1.562.2.4.1.61.2.2.13.1.11
This attribute is the total number of frames detected with framing mode errors. A framingModeError is flagged when frames are inconsistent with the specified framingType, that is when interrupting frames are used while running in hdlc mode.
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IPHost Network monitor allows you to monitor dpnGateUtpFramerFrmModeErrors 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 switches right now.