With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds1IntervalLSESs
Cisco DS1/E1 Interval LSE Ss
1.3.6.1.4.1.9.9.229.1.3.2.1.1
The number of LSES (Line Severely Errored Seconds) encountered by the interface.
Back to CISCO-DS1-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cds1IntervalLSESs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.