With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcConnectionType
gsm Bc Connection Type
This attribute indicates the connection types between the terminal equipment or terminal adaptor and mobile and between the IWF and the network. Valid connection types are: asynchronous, Transmission of data which does not require clocking of the data signal. synchronous, Transmission of data which requires clocking of the data signal.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmBcConnectionType 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.