With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctDnaHgMAvailableChannels
VC Tester Dna Hg M Available Channels
1.3.6.1.4.1.562.2.4.1.5130.2.3.11.1.2
This attribute indicates the number of available channels reported to the hunt group in the Availability Message Packet (AMP). It is modified by adding 1 by the application when a channel is freed and subtracting 1 when a channel is occupied.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctDnaHgMAvailableChannels 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.