![Fifo Serial Analyzer for DOS](https://d27wgn5g4t3wja.cloudfront.net/img/115bdae1-1422-08df-aa01-fc131db87434/26585.png)
Fifo Serial Analyzer for DOS
FLL - Fifo Electronics (Fifo)
FLL is a DOS based protocol analyzer for debugging serial asynchronous communication. FLL uses the standard COM1 and COM2 ports of a PC and does not require any other hardware except for the physical connection to the line.