Horizontal cabling and backbone cabling are both core parts of a structured cabling system, but they serve different roles. Horizontal cabling usually connects work areas to telecom rooms, while backbone cabling connects distribution points like MDFs and IDFs.

General Comparison

Topic	Cat5e	Cat6
Main Role	Connects endpoints and work areas	Connects distribution points and telecom spaces
Typical Path	Desk or room to telecom room	MDF to IDF, room to room, floor to floor
Common Use	Workstation, phone, AP, printer, room connectivity	Building distribution and backbone transport