Patent ID: 8570764
Filing Date: 2013-10-29
Classification: H04Q

Abstract:
1. A backplane, comprising: at least two service slots with the same function; an exchange slot; and wherein among pins of different service slots with the same function for connecting to the exchange slot, at least two pins are arranged to resemble a stepped from; wherein when the service slots with the same function and the exchange slot are located at the same row of the backplane, the pin arrangement for the pins of the service slots with the same function connected to the exchange slot specifically comprises: in the at least two service slots with the same function, the pins connected to the exchange slot are located at the n+q th position in the same column of respective service slot, q being a location lagging number of a first pin connected to the exchange slot, the first pin connected to the exchange slot being located in the service slot with a minimum n, n being a difference between m and d, m being a total number of the service slots with the same function on a side of the exchange slot, and d being the number of the service slots with the same function by which a present service slot is spaced from the exchange slot, wherein n and m are positive integers, and d and q are integers no less than 0.