alt Hacker NewsThe problem with fibre isn't the sensitivity. It's that most endpoints have a 1Gbps copper port on them and then Cat6A ports can be used with the common devices but also allow you to add or relocate 10Gbps devices without rewiring the building again.
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mschuster91 • today at 8:37 AM
In practice though 10G via copper requires pretty perfect terminations. The slightest error leads to crosstalk issues.
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However — unlike copper twisted pair — the bandwidth current fiber media can carry is nearly limited by nothing but the optics at each end.