How do I know if my sensorProbe2, or sensorProbe8 is still working and has a network connection?

AKCPsensorProbe Series, Support

How to check sensorProbe still working? You can set the “Keep Alive” feature on the sensorProbe2/8 to send SNMP traps and adjust the interval in which to resend these. This feature is found in the web interface in the Traps tab

AKCPHow do I know if my sensorProbe2, or sensorProbe8 is still working and has a network connection?