Data Sheet TTC Mn664-2000L Miniature Network ARINC-664 Interface Unit Data Sheet Download Resource The file you are trying to access requires you to be logged in as a registered user. Registration is free, sign up today. Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. The Mn664-2000L includes an ARINC-664 bus interface module, a processor, power supply and an IEEE 1588 time and Ethernet interface module that also functions as an overhead card (MGPI-500-1).