A dielectric filter provided with a dielectric block including at least four resonant through holes that are adjacent to each other. The compressor assembly includes a compressor housing defining a compressor inlet, a compressor rotating element rotatably supported at least partially within the compressor housing, and an inlet guide vane assembly including a housing that defines a flow passage, a plurality of vanes, and a guide ring. The method may include receiving a monitoring message by a monitoring component where the monitoring message may be sent from a system component of the software system. A connection with a first connection point is established.