Data service shunting device and method

The invention discloses a data service shunting device and method. The data service shunting device comprises a bus controlling and data receiving-transmitting unit, a time slot cross management unit, a channel management unit, a clock and time slot allocation unit, a channel cross management unit, a frame-assembling and framing-frame splitting unit and a line interface unit, wherein the time slot cross management unit and the channel management unit are electrically connected with bus controlling and data receiving-transmitting unit respectively; the channel cross management unit, the framing-frame splitting unit and the line interface unit are connected to the bus controlling and data receiving-transmitting unit in sequence from front to back; and the clock and time slot allocation unit are connected between the time slot cross management unit and the channel cross management unit. Through adoption of the data service shunting device and method, user interface resources are utilized; the number of user inte