"Activate SNMP" option
If the "Activate SNMP" option is selected, communication using SNMP is enabled allowing read and write access to the module.
You can only select communication according to the SNMPv1 or SNMPv3 specification with modules that support Security functions:
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SNMPv1
The SNMPv1 agent is enabled on the module. You can change the community strings for read and write access for SNMPv1 for modules that support Security functions.
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SNMPv3
The SNMPv3 agent is enabled on the module. Further configuration options for encryption, authentication and the assignment of rights for STEP 7 users are available.