|  | 8.9 | Design Practice No. 2: Multiple Earth Ground Problems
| 8.9.2 | Company A: MDF location

You have been directed to develop a wiring plan for company A. A study has been conducted and all work areas have been mapped on a plan of each floor. The plans include the selections for the wiring closet on each floor. These are shown in the building profile in the Figure .

In multi-story buildings the MDF is usually located on one of the middle floors of the building because it is the center of an Ethernet star topology. A middle floor is the best location even though the POP may be located on the first floor. On which floor would you locate the MDF?

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