With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
tdmaBcUrTxFlowControlState
tdma Bc Ur Tx Flow Control State
This attribute indicates whether the transmit flow control is active or not. This attribute has one of the following values: active: The transmit flow control is active. inactive: The transmit flow control is inactive. This attribute may be viewed via TdmaBc/*,*,*,* UpperRelay.
Back to Nortel-Magellan-Passport-TdmaIwfMIB MIB page.
IPHost Network monitor allows you to monitor tdmaBcUrTxFlowControlState 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.