Technology: They use total internal reflection to transmit light signals, with cladding serving as a mirror to keep the signal within the core.
Audio (Toslink): Primarily used in home theaters to connect devices like DVD players, gaming consoles, and satellite boxes to receivers for crystal-clear, surround sound, often featuring gold-plated connectors to resist corrosion.
Data & Power: While typical optical cables transmit only data, hybrid cables exist that incorporate copper wires for power transmission alongside optical strands.
Installation: These cables often have small plastic protective caps over the connector tips, which must be removed before installation.