Iei Secured Ethernet Gateway Plug-In Module. Converts Tcp/Ip To Serial Data Enabling Iei Access Systems To Use A Network To Securely Send And Recieve Data, And To Be Programmed And Managed From Any Network Pc Running Hub Manager Professional V5.0 Or Higher. Requires Network Connection. Easily Plugs Into Max 3 Minimax 3 & Hubmax Ii Hub Minimax Ii Backplanes Which Provides Module Power And Communication With Access Panel.