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[38C3] It’s TOSLINK, over long Distance Fibre.
If you’ve owned a CD player or other piece of digital audio gear manufactured since the 1980s, the chances are highly to has a TOSLINK port on the back. This is a interface that sends I2S digital audio data down a short length of optical fibre, and it’s designed to run between audio gear & an external DAC.
https://blog.benjojo.co.uk/post/sfp-experiment-ultra-long-range-toslink
#toslink #longrange #experiment #it #engineer #media #38c3 #tech #news![TOSLINK is a ancient technology in optical fibre terms, with a lowish data rate and plastic fibre, but consider for a minute whether it could be adapted for modern ultra-high-speed conenctions. It’s what [Ben Cartwright-Cox] has done, and he delivered a talk about it at the recent 38C3 event in Germany.
It’s an interesting experiment, but perhaps the most value here is in what it reveals to us about the way optical networking systems work. Most of us don’t spend our days in data centres, so that’s an interesting technology to learn about.
<https://youtu.be/3qojgJGtTos>](https://friendica-leipzig.de/photo/preview/600/424955 "TOSLINK is a ancient technology in optical fibre terms, with a lowish data rate and plastic fibre, but consider for a minute whether it could be adapted for modern ultra-high-speed conenctions. It’s what [Ben Cartwright-Cox] has done, and he delivered a talk about it at the recent 38C3 event in Germany.
It’s an interesting experiment, but perhaps the most value here is in what it reveals to us about the way optical networking systems work. Most of us don’t spend our days in data centres, so that’s an interesting technology to learn about.
<https://youtu.be/3qojgJGtTos>")
![[ImageSource: Ben Cartwright-Cox]
If you’ve cast you eye over any fibre networking equipment recently, you’ll be familiar with SFP ports. These are a standard for plug-in fibre terminators, and they can be had in a wide variety of configurations for different speeds, topographies, and wavelengths. They’re often surprisingly simple inside, so he wondered if he could use them to carry TOSLINK instead of a more conventional network.
And it worked, with the simple expedient of driving an SFP module with an LVDS driver to make a differential signal. There follows a series of experiments calling in favours from friends with data centre space in various locations around London, finally ending up with a 140 km round trip for CD-quality audio.](https://friendica-leipzig.de/photo/preview/600/424957 "[ImageSource: Ben Cartwright-Cox]
If you’ve cast you eye over any fibre networking equipment recently, you’ll be familiar with SFP ports. These are a standard for plug-in fibre terminators, and they can be had in a wide variety of configurations for different speeds, topographies, and wavelengths. They’re often surprisingly simple inside, so he wondered if he could use them to carry TOSLINK instead of a more conventional network.
And it worked, with the simple expedient of driving an SFP module with an LVDS driver to make a differential signal. There follows a series of experiments calling in favours from friends with data centre space in various locations around London, finally ending up with a 140 km round trip for CD-quality audio.")
If you’ve owned a CD player or other piece of digital audio gear manufactured since the 1980s, the chances are highly to has a TOSLINK port on the back. This is a interface that sends I2S digital audio data down a short length of optical fibre, and it’s designed to run between audio gear & an external DAC.
https://blog.benjojo.co.uk/post/sfp-experiment-ultra-long-range-toslink
#toslink #longrange #experiment #it #engineer #media #38c3 #tech #news
![TOSLINK is a ancient technology in optical fibre terms, with a lowish data rate and plastic fibre, but consider for a minute whether it could be adapted for modern ultra-high-speed conenctions. It’s what [Ben Cartwright-Cox] has done, and he delivered a talk about it at the recent 38C3 event in Germany.
It’s an interesting experiment, but perhaps the most value here is in what it reveals to us about the way optical networking systems work. Most of us don’t spend our days in data centres, so that’s an interesting technology to learn about.
<https://youtu.be/3qojgJGtTos>](https://nerdculture.de/system/media_attachments/files/113/815/605/289/490/254/original/9c970a869a138422.jpeg "TOSLINK is a ancient technology in optical fibre terms, with a lowish data rate and plastic fibre, but consider for a minute whether it could be adapted for modern ultra-high-speed conenctions. It’s what [Ben Cartwright-Cox] has done, and he delivered a talk about it at the recent 38C3 event in Germany.
It’s an interesting experiment, but perhaps the most value here is in what it reveals to us about the way optical networking systems work. Most of us don’t spend our days in data centres, so that’s an interesting technology to learn about.
<https://youtu.be/3qojgJGtTos>")
![[ImageSource: Ben Cartwright-Cox]
If you’ve cast you eye over any fibre networking equipment recently, you’ll be familiar with SFP ports. These are a standard for plug-in fibre terminators, and they can be had in a wide variety of configurations for different speeds, topographies, and wavelengths. They’re often surprisingly simple inside, so he wondered if he could use them to carry TOSLINK instead of a more conventional network.
And it worked, with the simple expedient of driving an SFP module with an LVDS driver to make a differential signal. There follows a series of experiments calling in favours from friends with data centre space in various locations around London, finally ending up with a 140 km round trip for CD-quality audio.](https://nerdculture.de/system/media_attachments/files/113/815/606/043/646/649/original/ef261c1e77a6c9e3.png "[ImageSource: Ben Cartwright-Cox]
If you’ve cast you eye over any fibre networking equipment recently, you’ll be familiar with SFP ports. These are a standard for plug-in fibre terminators, and they can be had in a wide variety of configurations for different speeds, topographies, and wavelengths. They’re often surprisingly simple inside, so he wondered if he could use them to carry TOSLINK instead of a more conventional network.
And it worked, with the simple expedient of driving an SFP module with an LVDS driver to make a differential signal. There follows a series of experiments calling in favours from friends with data centre space in various locations around London, finally ending up with a 140 km round trip for CD-quality audio.")
EXPERIMENTEREN MET BRIDGY "VERBINDEN VAN SOCIALE MEDIA"
>> There is now also an English version available.
Column for @Morpurgo @morpurgo.bsky.social@bsky.brid.gy
https://www.morpurgomedia.nl/columns-blogs/2024/2024-11/experimenteren-met-bridgy-verbinden-van-sociale-media
#BRIDGY #SOCIALEMEDIA #column #mastodon #blueSky #platform #koppel #morpurgomedia #github #experiment #column #blog
>> There is now also an English version available.
Column for @Morpurgo @morpurgo.bsky.social@bsky.brid.gy
https://www.morpurgomedia.nl/columns-blogs/2024/2024-11/experimenteren-met-bridgy-verbinden-van-sociale-media
#BRIDGY #SOCIALEMEDIA #column #mastodon #blueSky #platform #koppel #morpurgomedia #github #experiment #column #blog
MorpurgoMedia.nl - Experimenteren met Bridgy ¨Verbinden van Sociale Media
14 November 2024, door MorpurgoMedia.nl >> There is now also an English version available. Dit artikel is meer een test dan een column, maar het kan een interessant voorbeeld zijn als het werkt.www.morpurgomedia.nl