With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds3StatsEntry
Cisco DS3 Stats Entry
1.3.6.1.4.1.9.9.132.1.3.1.1
An entry in the T3/E3 Statistics table. Statistics are gathered for each existing T3/E3 line. An entry is created automatically for each T3/E3 line that is activated.
Back to CISCO-DS3-MIB MIB page.
IPHost Network monitor allows you to monitor cds3StatsEntry 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.