With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
x25DteLapbFrmrTransmit
x25 Dte Lapb Frmr Transmit
1.3.6.1.4.1.562.2.4.1.90.5.12.1.3
This attribute specifies the Information field of the FRMR most recently sent.
Back to Nortel-Magellan-Passport-X25DteMIB MIB page.
IPHost Network monitor allows you to monitor x25DteLapbFrmrTransmit 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.