MOSFET / ETU

[Sjkendall]

Hello. Another nooby question. Can anyone tell me what mosfet / ETU unit this is?. Also there is a small area on the front to plug some sort of cable into, is this in order to program new firing modes ?? 
 

thanks

View attachment 133264

 

[Lozart]

Looks like the proprietary VFC Avalon ETU.