FDDI concentrator with backplane port for dual datapath systems
US5420986A · kind A · utility
12Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1992 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Jul 30, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/433
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A concentrator which is used alone or in conjunction with one or more identical concentrators provides a set of externally configurable datapaths for connecting other devices connected to a backplane with primary and/or secondary rings in a token ring network. The concentrator includes a controller, a plurality of multiplexers and several front panel and backplane ports, each of which is configurable as an A, B, M or S port. The concentrator includes an internal token ring chain of one or more front panel ports for connecting other devices to the rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.