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Some of units have a special SNMP data OID that coding a system state by an integer number. Let’s try to read this code by SNMP GET, recognize this code, and send a special message to the user.

You can recognize code using the SNMP GET (discrete), but if there are many codes (more then than 9), then the string comparison will not work. Because comparison with a string "1" will also make coincidences with the strings "10", "11", "21", etc.

Choose another way. Create SNMP GET (analog) element for reading code state from the remote unit. Set the value for the thresholds so that the codes are set into the normal range (just not distracted).

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Create a "Math" virtual sensor for catch state number 7. Set the thresholds so that only the value of 0 match into normal state (Low warning level = -0.5, High warning level = 0.5). The rest thresholds will leave as it is.

Set the sources for the math sensor. Variable "A" is our SNMP GET "State Code Get" element, for catch state 7, we may subtract 7 from it.

Also In addition, create some Math sensors for another other needed states. And combine them in the group.

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Create notification, email for example. Use macro in a text message for sending properly proper information. Here 216001 is a id the aid of the SNMP GET sensor (State Code Get). We read his value , and the the name of the element that fetch to sending a message. 

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And when the state of any element becomes to "Normal", the notification of such a content is sent:

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