With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds3PlcpFECount
Cisco DS3 Plcp FE Count
1.3.6.1.4.1.9.9.132.1.3.2.1.4
The number of Framing Errors detected.
Back to CISCO-DS3-MIB MIB page.
IPHost Network monitor allows you to monitor cds3PlcpFECount 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.