Product Sheet TTC MNSW-503-1 3-Port Network Switch Module Product Sheet share The MNSW-503-1 is a three-port 100BASE-T Ethernet full-duplex switch module for use in the Curtiss-Wright miniature networked product line. It provides upstream and downstream Ethernet chaining to any MnDAU stack in which it is installed. Download Resource Login to download this resource Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Don’t have an account?Register here.