With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcV42bisMaximumStringSize
gsm Bc V42bis Maximum String Size
This attribute indicates the maximum number of characters allowed in a string represented by a codeword negotiated at link setup by the data link protocol by way of the Exchange Identification (XID) negotiation of parameter P2 (maximum string size). The value used for XID negotiations can be provisioned by component GsmIwfV42bisProv attribute maximumStringSize.
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IPHost Network monitor allows you to monitor gsmBcV42bisMaximumStringSize 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 secure routers right now.