Structured cabling design and installation are governed by a set of standards that specify wiring data centers, offices, and housing buildings for data or voice communications using various kinds of cable, most typically category 5e (Cat 5e), category 6 (Cat 6), and fiber optic cabling and standard connectors. These standards outline a way to lay the cabling in various topologies to fulfill the requirements of the customer, generally using a central patch panel from where every standard connection may be used as required. Every outlet is then patched into a network switch (normally also rack-mounted) for network use or into an IP or PBX (private branch exchange) phone system patch panel.
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