With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoICsuDsuSw56kLineStatusEntry
cisco Integrated CSU DSU Sw56k Line Status Entry
1.3.6.1.4.1.9.9.44.1.3.2.1
An entry in the sw56k status table for each integrated switched 56 kbps CSU/DSU.
Back to CISCO-ICSUDSU-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoICsuDsuSw56kLineStatusEntry 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.