| Patent Number |
Title Of Patent |
Date Issued |
| 4590551 |
Memory control circuit for subsystem controller |
May 20, 1986 |
| A dual set of memory control circuit cards, one of which services a master processor and one of which serves a slave processor in a data communication Network Support Processor. Each memory control circuit card provides a local memory for each of said processors and further provides |
| 4430710 |
Subsystem controller |
February 7, 1984 |
| A dual-processor, general purpose mini-computer which is programmed as a front-end data communications processor and is called a Network Support Processor. Data transfer commands received from a main host computer are executed and result messages are returned to the main host computer by |
| 4428043 |
Data communications network |
January 24, 1984 |
| Base connection modules are used to house slide-in cards which form a Network Support Processor which executes data transfer operations for up to four main host computers. One Network Support Processor can control up to four Line Support Processors, each one of which manages up to 16 Lin |
| 4200930 |
Adapter cluster module for data communications subsystem |
April 29, 1980 |
| In a digital data communication network there is provided a data communications subsystem working in conjunction with a main host system having a central host processor and main memory. The data communications subsystem provides a data communications processor and a local autonomous |