Patent ID: 8767753
Filing Date: 2014-07-01
Classification: H04L,Y02D

Abstract:
1. A device for providing communications between a first bus and a second bus and wherein a plurality of first communication nodes are connected to the first bus and a plurality of second communication nodes are connected to the second bus and wherein the plurality of first communication nodes and the plurality of second communication nodes are operable in a low power mode and operable in a second mode in which the communication node consumes more power than in the low power mode, the device comprising: a transfer component having a first port configured to be connected to the first bus and a second port configured to be connected to the second bus, and a switch circuit coupled between the first port and the second port; said transfer component operable in a first operational mode in which the switch circuit is closed to couple signals received via the first port to the second port to be output the second port; said transfer component operable in a second operational mode in which the switch circuit is open to communicatively isolate signals received on the first port from the second port so that no signals received via the first port are coupled to the second port and are not output the second port; a controller communicatively coupled to said transfer component and configured to receive one or more messages from the transfer component received via the first port; said controller configured to cause said switch circuit to operate in the first operational mode in response to receipt of one or more first messages; and said controller configured to cause said switch circuit to operate in the second operational mode in response to receipt of one or more second messages.