|  | 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, even though the POP may be located on the first floor. On which floor would you locate the MDF?
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