The computer mentioned in the subject may in fact be familiar to some of you (Sellam, notably...). It was a rebadged Computer Automation Alpha-16, with special software that provided for its use as a digital network switch. TRAN was also known as Computer Transmission Corp. of El Segundo, CA. Does anyone know what became of the company? In a few weeks, I'll put a diagram of the Indiana University Computing Network cira 1974 up on my web site so you can see the role it played. You'll need a WHIP! viewer (from Autodesk's web site) to view it. Regards, -dq