With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds1TotalEntry
Cisco DS1/E1 Total Entry
1.3.6.1.4.1.9.9.229.1.3.3.1
An entry in the DS1 Total table.
Back to CISCO-DS1-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cds1TotalEntry 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.