Patent ID: 8267699
Filing Date: 2012-09-18
Classification: H05K

Abstract:
1. A backboard, wherein sockets for connecting at least two sub-racks are respectively disposed at two sides of the backboard, and the sockets comprise first sockets for splicing a first type of sub-cards and second sockets for splicing a second type of sub-cards; connectors, the number of which is not smaller than that of the second sockets, are disposed at the first sockets, and connectors, the number of which is not smaller than that of the first sockets, are disposed at the second sockets; one of the connectors at the first sockets is connected to one of the connectors at each of the second sockets, and one of the connectors at the second sockets is connected to one of the connectors at each of the first sockets; and the connectors comprise orthogonal connectors, at least one of the first sockets at one side of the backboard and at least one of the second sockets at the other side of the backboard are in a cross state, the orthogonal connectors are disposed at cross points of the first sockets and the second sockets on the backboard, and the first type of sub-cards spliced on the first sockets and the second type of sub-cards spliced on the second sockets are connected through the orthogonal connectors on the backboard.