Scenario description: A certain university needs to build a new 4-story teaching building, with 12 rooms on each floor. The first floor has one duty room located near the left side of the gate, which includes one data information point and one voice information point; 1 warehouse located on the right side of the main entrance, containing 2 data information points and 1 voice information point; 8 classrooms, each containing 2 data information points and 0 voice information points; Two staircase classrooms, located near the stairwells on both sides, each staircase classroom contains four data information points and two voice information points. The second floor is divided into one equipment room, located in the middle of this floor, which includes 8 data information points and 8 voice information points; And 11 classrooms. There are 12 classrooms on each floor from the third to fourth floors. Among them, it is advisable to set up a management room subsystem on each floor, using wall mounted cabinets instead of setting up separate rooms for storage. Please provide a complete computer network diagram for this purpose --v 6.0