With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds3RcvLOSCount
Cisco DS3 Rcv LOS Count
1.3.6.1.4.1.9.9.132.1.3.1.1.1
The number of times Loss of Signal was detected with or without integrating to LOS alarm.
Back to CISCO-DS3-MIB MIB page.
IPHost Network monitor allows you to monitor cds3RcvLOSCount on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.