The new IRIS-4 6 Series offers a cost-effective way to interface most fire and intruder alarm panels to IP and/or wireless networks, in addition to full integration with particular manufacturer's panels. The new IRIS-4 6 Series offers a cost-effective way to interface most fire and intruder alarm panels to IP and/or wireless networks, in addition to full integration with particular manufacturer's panels. The IRIS 4 - 6 Series offer a choice from Grade-2 to Grade-4 signaling options.