How to Connect Digital Optical Cables

Written by james clark
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How to Connect Digital Optical Cables
Digital optical cables provide fast connections between audio devices. (fibre optic computer cable image by Andrew Brown from

Digital optical cables transmit audio data over a fibre-optic line between electronic components, such as a CD player and a surround-sound receiver. The cable is sometimes referred to as a Toslink, which was the original name given by Toshiba, the electronics company that created the technology. Connecting digital optical cables takes only seconds by aligning the plug on each end with the sockets on audio devices equipped with optical jacks. Adaptors are available to connect two cables for extension purposes.

Skill level:

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Things you need

  • Digital optical cable adaptor

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  1. 1

    Connect one end of the optical cable to a device with a digital optical jack by aligning the shape of the plug end with the outline of the jack and pushing the plug straight in.

  2. 2

    Extend a digital optical cable by connecting the plug on the opposite end into one of the jacks on the cube-shaped extender.

  3. 3

    Insert the plug on a second digital optical cable into the jack on the other side of the extender and then connect the plug on the other end to another compatible device with an optical jack.

  4. 4

    Insert the DC power plug into the jack on the side of the cable extender and plug the power cord into a wall outlet. The electrical cord provides power to the extender to boost the digital optical signal so it can travel a greater distance through the connected cables.

Tips and warnings

  • Turn off the equipment while connecting digital optical cables.

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