With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csStatsTable
cs Stats Table
1.3.6.1.4.1.9.9.126.1.6.1
The SONET/SDH Section statistics table. This table maintains the number of times the line encountered Loss of Signal(LOS), Loss of frame(LOF), Alarm Indication signals(AISs), Remote failure indications(RFIs).
Back to CISCO-SONET-MIB MIB page.
IPHost Network monitor allows you to monitor csStatsTable 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.