Patent ID: 6662254
Filing Date: 2003-12-09
Classification: G06F

Abstract:
A communications device having a backplane utilizing a bus having a set number of slots, a system for extending the number of slots available on the backplane, said system comprising:a first CompactPCI bus having a first host slot, a first bridge slot and a first set of input/output slots; a second CompactPCI bus having a second host slot, a second bridge slot and a second set of input/output slots; a first host card inserted into said first host slot, said first host card including a first PCI-PCI bridge connected to said first CompactPCI bus, a first serializer/deserializer, and a first PCI bus connecting said first PCI-PCI bridle and said first serializer/deserializer; a first bridge card inserted into said first bridge slot, said first bridge card including a second PCI-PCI bridge connected to said first CompactPCI bus, a second serializer/deserializer, and a second PCI bus connecting said second PCI-PCI bridge and said second serializer/deserializer; a second host card inserted into said second host slot, said second host card including a third PCI-PCI bridge connected to said second CompactPCI bus, a third serializer/deserializer, and a third PCI bus connecting said third PCI-PCI bridge and said third serializer/deserializer; a second bridge card inserted into second bridge slot, said second bridge card including a fourth PCI-PCI bridge connected to said second CompactPCI bus, a fourth serializer/deserializer, and a fourth PCI bus connecting said fourth PCI-PCI bridge and said fourth serializer/deserializer; a first serial bus connecting said first host card to said second bridge card; and a second serial bus connecting said second host card to said first bridge card.