Light-Link Pro Fiber Optic HDMI Cable

SKU SW-33032-40

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The Light-Link is an "HDMI over Fiber" cable that sends the video information through optical fiber. Because it uses fiber, it can send the signal instantly with no perceptible latency at longer distances than regular copper HDMI cables.

How it Works

The converters inside the cable heads convert incoming electrical signal into optical on one end, and back into electrical on the other end. The Light-Link is composed of fiber cables and copper cables. The copper cables are used for non-video information such as hot plug detection, grounding, and +5v power. The fiber strands carry all the video information.

The light travels down the fibers using internal reflection, which allows the light to bounce off the cable walls similar to a bobsled. Light travels extremely fast (186,000 miles a second) so the signal arrives almost instantly without losing any quality.  

Better than copper

According to "The longest HDMI cable runs seen to date have been achieved using fiber-optic cable, which is far less susceptible to attenuation and interference than copper. Electrically it is similar to an active cable or Cat 5/6 solution, the principal difference being the higher-quality optical cabling between the transmit and receive connectors. HDMI over fiber is a highly robust solution, effective in cable runs up to 100 meters or more."

Easier than any HDMI extender

Since the optical converters are housed inside the heads of the cable, there is no need for any external repeaters. This also means that there is no need for extra power adapters or patch cables.

The Light-Link eliminates possible points of failure. In a typical HDMI extender setup with baluns you have a total of eight connections:

  • x4 HDMI connections - video source to sender balun and receiver balun to display.
  • x2 RJ45 connections - transmitter balun to receiver balun.
  • x2 power connections - from baluns to power outlets.

That's eight possible things that can get unplugged, plugged in the wrong way, or become defective. With the Light-Link you only have one cable that can be easily verified end to end. Troubleshooting is incredibly easy compared to any other setup.



  • 18Gbps
  • 4K @ 60Hz 4:4:4
  • HDMI 2.0
  • HDCP 1.4/2.0/2.2
  • Compatible with ARC and CEC

Customer Reviews

Based on 1 review
Part Number: SW-33032-40
Good fo 4K

Pros: Removable heads made it easier to pass through conduit to route it up through my attic. Xbox now recognizes 4K from TV!Cons: The monitor end has a mico USB connection labeled "power" and came with a USB cord my no documentation or instructions.Other: I had a 40' HDMI cable that had the special chips ("red" something...) to allow 4K over longer distances. Hooking Xbox to TV but xbox wouldn't recognized TV as 4K compliant. Replaced it with this fiberoptic and now the Xbox automatically recognized and set up for 4K. When I ordered I posted a question about the "power" connection (is that to power something else? Do you need a USB power input to run the fiberoptics?) but that question never got posted on the site or answered. I would up pluggin the USB into an outlet and then into the cable and all seems to be working fine, but some sort of directions would be helpful....

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