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Cabling

SOHO LAN clients and servers are wired to hubs or switches using unshielded twisted pair (UTP) wire. In this case, if one cable broke, only that link to the hub or switch is impacted. Demand for higher LAN transmission speeds required reduced signal crosstalk (signal crossover interference from one pair of wires to another, sometimes referred to as near end cross talk—NEXT) within the cable. A cable grading scheme or category level was developed.

SOHO LANs for the large part use CAT-5, CAT-5+, CAT-5e, or CAT-6 unshielded twisted pair wire. This wire is used for telephone wiring as well. These categories of wire support basic 10-Mbps Ethernet and Fast 100-Mbps Ethernet. They are capable of higher speeds for short distances or in special configurations. CAT-5 wire can support 1 Gbps Ethernet by splitting the transmission into four separate 250-Mbps data streams.


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