No specific info about version 4.5. Please visit the main page of Troi Serial Plug-in on Mac Informer.
An application that allows users to easily connect serial devices to their Mac.
Serial Mail is a plug in for Apple Mail to generate serial mailings.
Serial Tools is a set of serial port tools for Mac OS X.
Can help you figure out which of your Pro Tools plug-ins are out of date...
VirtualSerialPortApp is a Mac OS X app that creates a virtual serial port pair.