With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIfXcvrMonDigitalDiagTxPwrWarning
Cisco Interface Xcvr Monitor Digital Diag Tx Pwr Warning
1.3.6.1.4.1.9.9.706.1.10
The current status of Tx power warning flag on the Tx power sensor of the transceiver in the interface.
Back to CISCO-INTERFACE-XCVR-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cIfXcvrMonDigitalDiagTxPwrWarning 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.