The AL-PCI2-U is an interface cable that allows high speed data transfer between a PC running DL-Windows software and a compatible Trilogy Digital Lock, Data Transfer Module, or an AL-PRE proximity card reader. Using the AL-PCI2, the PC can upload or download programming to/from the lock, and upload event history. System requirements to run are at least 64 MB of RAM memory, Microsoft Windows 95, 98, NT4.0 or higher, and one unused RS-232 Serial Communications port or USB Port.