Description: Perle IOLAN Device Server is available in an I/O-version which can be connected to periphial digital or analogue I/O equipment for data collection or remote administration via an IP network. These units can control different types of alarms (temperature/moisture/light, access control, relay contact and error alarms) and then relay the required control signals/instructions to a centralized monitoring system for the neccesary response. Read more at:  http://www.perle.com/products/ethernet-io-device-server.shtml)