SerialSniffer is a tool to get more information about data, which is transmitted via a``serial link. You can either connect SerialSniffer to a single device, which transmits serial data and``SerialSniffer will print out the data, which is received, in the ASCII an HEX-Display.``In this mode, SerialSniffer works as a terminal software. The even more powerfull opportunity to use SerialSniffer is to use a PC with two serial``ports and put the PC with SerialSniffer between the two devices