Transmitting Data over Fiber Optic Cable (using Hot-Pluggable Transceivers)

  • One of the Physical Layer Standards defines Fiber Optic Cable Standards.

  • There are 2 types of Fiber Modes used in Fiber Optic Cable: Single Mode & Multi-Mode

  • Hot-Pluggable Transceivers convert the Optical Signals to Electrical Signals & Vice Versa thereby providing an interface between the Fiber optic & Copper Standards.

  • GBIC (Gigabit Ethernet Interface Converter) (SC Connector):

    • It was the original Transceiver used for Gigabit Interfaces. They were bigger in size.

  • SPF (Small Form Pluggable) (LC Connector):

    • SPF replaced GBIC as they are smaller in size than GBIC. SPF is also used for Gigabit Interfaces.

  • SPF+ (Small Form Pluggable Plus) (LC Connector):

    • The + Sign means an increased Speed. It is the same size as the SPF but is used for 10-Gbps Interfaces.

Reference:

CCNA 200-301 OCG, Volume 1, Pg. 42 - Wendell Odom.

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