Business communication has relied on multi-line and private exchange systems since the early days of the telephone industry. Today’s IP based business telephones and software based telephone clients may seem like distant relatives of yesterday’s analog and digital phones. However,…
The DEC MicroVAX 3100 was a successful series of small VAX systems that DEC produced from the late 1980’s to the late 1990’s. It was the size of a PC-AT style desktop, used small SCSI hard drives, and made an…
The Sun model 3/470 was the last and most powerful of the sun3 architecture systems based on the Motorola 68020/68030 family of processors. The system was comprised of a 12 slot VMEbus chassis with the Sun “3400” CPU board, up…
This PDP-11/70 was purchased in 1979 by Stromberg-Carlson for use in the development of software for the DCO digital central office telephone switching system. This system remained in continuous service until July, 2000, when it was replaced by a smaller…
