With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoWanFrX21LineGroup
cisco Wan Fr X21 Line Group
1.3.6.1.4.1.351.150.49.2.1.2
The collection of objects which are related to x21 lines.
Back to CISCO-WAN-FR-X21-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoWanFrX21LineGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.