With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sonetFarEndLineCurrentTable
sonet Far End Line Current Table
1.3.6.1.2.1.10.39.1.4.1
The SONET/SDH Far End Line Current table.
Back to SONET-MIB MIB page.
IPHost Network monitor allows you to monitor sonetFarEndLineCurrentTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.