With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsx3FarEndFacilityIDCode
dsx3 Far End Facility ID Code
1.3.6.1.2.1.10.30.9.1.6
This code identifies a specific Far End DS3 path. It is sent within the Path Identification Message.
Back to DS3-MIB MIB page.
IPHost Network monitor allows you to monitor dsx3FarEndFacilityIDCode on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.