With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctDcRemoteLcn
VC Tester Dc Remote Logical Channel Number
1.3.6.1.4.1.562.2.4.1.5130.3.10.1.5
This attribute provides the remote LCN (Logical Channel Number) - it is used only for PVCs, where attribute type is set to permanentMaster or permanentSlave or permanentBackupSlave. In switched case, value of remoteLcn is not known when call request is made.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctDcRemoteLcn 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.