2.4.4 Simple Network Management Protocol (SNMP) SystemMonitorDescriptionIt is possible for a PC assigned as an SNMP manager to manage and receive PBX system status information,such as alarm information and general system activity using SNMP. Management Information Bases (MIBs)are sent to a PC (i.e., the SNMP manager) connected to the PBX over a LAN and can then be stored andanalysed using SNMP manager software.The two features for managing information using SNMP are as follows:– Polling:A bilateral transaction of information. Polling allows the manager to request information from the PBX.PCResponseRequestPBXManager– TRAP:An automatic relay of information from the PBX when a status change occurs or an alarm is detected.PBXPCSends InformationManagerTRAP ImplementationThe PBX will send the two types of TRAP as follows:Type TRAP Name DescriptionStandard TRAP coldStart Information is sent after turning on the power of the PBXor resetting the PBX.Authentication Failure Information is sent when an unregistered CommunityName and/or Manager IP address is entered.Enterprise SpecificTRAP*1Major Alarm Information is sent when a major alarm is detected.Minor Alarm Information is sent when a minor alarm is detected.*1 Enterprise Specific TRAPs are original TDE exclusive information (Enterprise Specific MIB)Conditions• Through system programming, it is possible to enable or disable this feature.440 Feature Guide2.4.4 Simple Network Management Protocol (SNMP) System Monitor