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Cabling & physical layer

Copper categories, fiber types, connectors (LC, SC, MTP/MPO, E2000), patch panels and ODF.

  1. 1.Copper cabling — categories, shielding, PoE

    10 min · Take the quiz

  2. 2.Fiber fundamentals — single-mode vs multi-mode

    12 min · Take the quiz

  3. 3.Fiber connectors — LC, SC, MTP/MPO, E2000

    10 min · Take the quiz

  4. 4.Patch panels and the ODF — where the cables meet the racks

    10 min · Take the quiz

  5. 5.Optical transceivers — SFP, SFP+, QSFP, and friends

    10 min · Take the quiz

  6. 6.Fiber testing — power meters, OTDR, loss budgets

    10 min · Take the quiz