Short description of PASSPORT Host Integration Objects 2009-731: PASSPORT Host Integration Objects is a Windows-based legacy integration solution that lets you programmatically connect TN3270/TN5250 applications with other ActiveX or .NET applications. Offers a path to host information at the screen buffer level, allowing you to read and write data to the host, open and close sessions, send function keys to the host and much more. Includes the object components, documentation, test programs and source code.