Patent ID: 8811577

Claim:
An advanced telecommunications computing architecture (ATCA) data exchange system, comprising: a backboard, at least one exchange board and at least one service board; wherein the exchange board comprises at least one Fabric port group, and each Fabric port group is connected to one service board through the backboard to form a first exchange channel for broadband service data exchange, wherein the Fabric port group comprises four difference sending and receiving port pairs, and each difference sending and receiving port pair comprises a pair of difference receiving ports and a pair of difference sending ports; and a connector in the exchange board, which is numbered 20 in a Fabric interface defined by Peripheral Component Interconnect Industrial Computer Manufacturers Group PICMG specifications, comprises at least one difference sending and receiving port pair, and each difference sending and receiving port pair is connected to a service board through the backboard to form a second exchange channel, which is independent of the first exchange channel and is configured for a separate narrowband service data exchange that is independent of the broadband data exchange.