Gigabit interface converter

Gigabit interface converter (GBIC) is a standard for transceivers. First defined in 1995, it was used with Gigabit Ethernet and Fibre Channel. By standardizing on a hot swappable electrical interface, a single gigabit port can support a wide range of physical media, from copper to long-wave single-mode optical fiber, at lengths of hundreds of kilometers.

The small form-factor pluggable transceiver (SFP), also known as mini-GBIC, succeeds GBIC. Announced in 2001, it obsoleted GBIC.

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