The Trend IQ422/12/INT/LAN/BAC/24 is a 6UI/6AO Controller which has Ethernet ability. This Trend IQ422/12/INT/LAN/BAC/24 Controller is powered by 24v ac. This controller also has the LAN connections for connecting to the Trend IQ2 Network along with BAC net facilities. The controller also has Mod-Bus capabilities.