With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds1LOSCounts
Cisco DS1/E1 LOS Counts
1.3.6.1.4.1.9.9.229.1.3.9.1.1
The number of times the Loss Of Signal defect was detected with or without integrating to LOS alarm.
Back to CISCO-DS1-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cds1LOSCounts 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.