The Weird Internet Connector You've Never Seen Before
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- Опубликовано: 2 июн 2024
- Have you ever seen this type of connector before?
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▼ Time Stamps: ▼
0:00 - Intro
0:53 - The Connector: SFP
1:39 - Why Use It?
3:21 - Advantages of Switches With SFP
4:37 - Disadvantages / Be Aware
6:47 - The Locking Mechanism
7:41 - Side Tangent Story
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🥳Some Updates 🥳
• I've added some more languages as audio tracks by popular demand: French, Ukrainian, Turkish, and Polish
• I've also improved the subtitles script so that should smooth out the dubbed speaking speed, so there should be fewer speed-ups and slow-downs in speaking, let me know what you think.
Que bien
I am more than surprised hearing my native language in your video.
I personally choose to listen to original audio but want to say thank you so much for making your videos more and more accessible.
Thank you 🙂greetings from Ukraine 🙂
You added my language, so I can finally see how this works.
It's pretty good, but misses plus, so its like "SFP might not be compatible with SFP" (english version had SFP+)
audio track are crapy, the geramn one
LTT fans: You underestimate our Lienus
Can’t count how many times I’ve seen these connectors on an LTT video. That’s where I first saw them and now expect that a server chassis will support them. 😅
*Linus
@@sayantanisaha8989 Watch more Scrapyard Wars
@@thewiirocks Yup, been in at least a good dozen videos by this point
@@sayantanisaha8989 you aren't an old fan 😆😆
Hi Thio. Your YT script for translating and dubbing it on another language is awesome. So many people can enjoy your content even without knowing English. Just a heads up: In my native language (Brazilian Portuguese) "RJ45" are being translated as "Rio de Janeiro 45". I don't know how you can fix this since is an auto translation issue, but it messes with the timing of dubbed lines.
i was so surprised to hear the audio in german all of a sudden lol
@@anonymouscommentator same
took me by surprise
That's the wonders of automatic machine translation. You need a human to review everything.
RIO DE JANEIRO KKKKKKKK
My favorite internet connector is the “Rio de Janeiro 45” 😂
(Portuguese voice fail)
I love the 𝓡𝓲𝓸 𝓭𝓮 𝓙𝓪𝓷𝓮𝓲𝓻𝓸 45
Rio de janeiro 45 kkkkkkkk
Actually, is so easy for Rio de Janeiro get 45°C or even higher temperatures in summer 🥵
@@spartacocarlos8417 pior que e verdade
This is so strange
Those are common connectors for me. They are used for every installation for fiber optic internet in Canada and since I worked as phone support for those connections, I have become very familiar with them
@@BarryBarrington_ I had to learn about them as customers regularly didn't know how to take them out and one of our steps was to have the customer remove the cable. I take every opportunity to learn hands on then that way I can instruct people over the phone as I can picture it in my head and give very detailed explanations.
OH WHAT FUN THAT WAS.
It is about 20 years ago by now, but they look like those optical thingys I stuck into a switch in the early 2000’s to connect a fibre pair when I was a server/network admin.
I have been out of that kind of business for about 15 years, so I don’t remember exactly how they looked.
I used to use them a few years ago, when I was doing some work for Allstream. I'd be in a data centre, with the fibre connecting to a Ciena media converter and then copper to a Cisco router, which the customer then connected to. The SFP had to match the fibre type and wavelength for the connection.
I use these at work all the time :)
As you said, it's frustrating how expensive even regular SFP+ is compared to just straight up RJ45, it's more of a problem for enthusiasts with a use case for them than your average home user.
used 10g sfp+ is alot cheaper than rj45 10g imo. you can get much cheaper nics on ebay, and DAC cables arent very expensive
Anyway - we do have quite a number of those devices at work. Mostly multimode.
The light in the multimode transcievers is actually visible if you use your phone camera, it helps quite a lot when you try to figure out which side that's the dark side.
Finally! A niche computer part I am actually super familiar with!
I saw this and thought, I use those often. Then I remembered that I use them at work not my home networks.
I remember seeing these lying around in my Cisco Networking class. And I sometimes see them get plugged into some kind of router.
x2
@@crissuper20 I see what you did there... x2 = "me too", as well as the name of the older, larger transceiver that was superseded by the SFP.
@@pyp2205 i use them at home... because i can. i used to have 4 rj45 from my adsl router until i bought a 5g adsl version. it has 4 rj45 and one sfp+ port. so me being me, i got rid of the 4 rj45 and replaced it with one fibre optic to sfp+ connector to my L2 home network switch.. lets just say i can see a combined throughput of over 200mb/s to the router...
"never look into the end of a fiber cable". THANK YOU for this warning! I have no occasion to walk into datacenters, but this may happen and I could be tempted to do it... now I know! This made my day.
Well, you might have a fiber at home at some point and those should not be looked into as well
Years ago i worked in an IT infrastructure renovation project and the guys in networking called them GBIC, but i actually think they were referring to SFP. I had a lot of this things laying around. If i remember correctly we used them to connect a switcher to the fiber optic box and than connect all the floor switches together.
Standard Ethernet cables for the other hosts in the network.
GBIC's are the older, much larger transceivers that were mostly replaced with the newer, much smaller SFP form-factor
@@giosal8822 yes, i think they were used to the old name and still called them gbic, but they were smaller like the spf.
@@CarloAnardu Yes, I agree that we also still called them GBIC's for several years after we started using SFP's, haha
GBIC ("gigabit interface converter") was the name of similar modules for Cisco (and others?) switches. I think they've been obsolete for nearly 20 years now.
@@bjornroesbeke GBICs were used on the 3550 Series (EOS 2006). They switched to SFP at the 3560 Series which were released in 2004 (EOS 2016). Of course, like anything network related, adoption of the new switches with SFP took years in many cases.
As worked with fiber optics in Telecommunications, just a pro tip. Never look directly into the tip of the fiber cable connected to any equipment (specially industry/corporate grade) . Power ranges of these equipment can be easily in range of above +20 db and that invisible light running through that fiber can burn your fingers let alone fry your eyeballs if looked directly, you can literally see sparks through the plastic tip if touched to a cleaning cloth dipped in alcohol.
A couple years ago I bought a QNAP TS-332X Home NAS specifically bc it came with the 10GbE SFP+ port. Added an inexpensive, older generation 10GbE PCIe card to my workstation, and connected to NAS via a copper "TwinAx" cable. Paid $35 for the PCIe card and cable on eBay.
We have just upgraded our server and switches where I work which is about 250 feet +- between the switches. With that we were already having CPU and Disc usage issues bumping up to %100. Our IT company said we needed these for the longer runs. Since we run our own lines, we needed to know what these were and how to assemble them. Thanks because this was perfect for us. Passed it off to my boss and he was thankful as well.
Home PC devices now come with 2.5/10GPS connections so if you're mating to a switch with SFP+ ports, make sure to check your transceiver specs to see if they support intermediate data rates, most support only 1/10, not 2.5/5.
And do not forget 100Mbps devices like IP cameras, will also not communucate over 1Gbps SFP to RJ45 module
I've never seen this until now, thx for the info!
I literally got to know these from the LMG vids.
For those who don't know, LMG Stands for Linus Media Group & it's the company headed by Linus Sebastian which has YT channels LTT(Linus Tech Tips), Techquickie, Short Circuit, etc.
Super information to me. Thank you.
Great to see the language feature at work again! Just a heads up for future translations. You may want to use the ISO 4217 standard codes when talking about currencies, so it doesn't interpret '$' as a different currency.
I work with enterprise gear on the daily, and whilst I've never set up SFP or plugged it in, I'm very aware of it and know what it is. I'm a systems engineer not a network or cable guy.
And I had no idea about the different types nor speeds.
Cheers for that!
The compatibility issue you saw is strangely sinister. Inside the sfp chipset is data containing serial number, manufacturer, etc. Network gear manufacturers sometimes hard code their devices to look for only their own sfp’s. Most of the big enterprise players have a command to tell their equipment not to do that, but after you run that command, their support will stop at the sfp port level.
Also, your example 10gig throttling down to 1gig is simply because the equipment is inexpensive and doesn’t have enough queue memory to slam 10gig frames at a 1 gig port. This used to be common behavior, even on enterprise gear, back when nothing had enough queue size.
happy new yaer!🥳🎄❄🎉 and christmas
I'm a network engineer, so this is interesting to see it framed this way. :)
Good stuff. I use fiber SFP, SFP+ and DAC and some RJ45 transceivers for 10G. Still, I learned some stuff today. Thanks.
What I learned in this video: cool network related sfc thingy, haha funny laser coming out of cable
Well the internet is already a weird, downright strange place anyways.
I was an intern in networking for a month last summer, I did indeed see those connectors and also used them
Well, being a telecom engineer I use SFPs daily :-) Of course I knew the most you said, but still it was interesting to me.
I can add that not only SFPs can be incompatible with your equipment, they can be different at all, like Ethernet SFP, used for switches, of STM SFP, used in telephony connections. They also can use separate fibers for transmission and receiving data, as well as they can use single fiber, but use different wavelength signals for different directions. SFP-to-Ethernet is what we use for switches that have SFP ports only and we need to connect it to "copper" equipment.
As someone who does FTTH fiber splicing, i am very familiar with SFP connectors. They are super useful to use in so many situations.
Dont the ONU just have sc/apc built in?
Not all ONU's are made like that. Zhone has models where the transceiver has to be installed, and plugs into an LC connector which than plugs into a terminated SC connection inside the enclosure where the fiber loop is
@@ericmattson9352 cool thanks
I have 4 Ubiquiti 10 port EdgeSwitches. 2 of the 10 are SFP cages. So, I bought 8 1000BASE-T copper transceivers, because I wanted to be able to use all of the ports if needed. I was surprised at the amount of heat that was coming off of the SFP modules. I read that they can get hot. But geeezzz! I recently bought a Grandstream GWN7803 (28 ports in all) L2 switch, which includes 4 SFP cages. They're nice to have, if you need them.
Yup same experience for me, to the point where its so hot you could genuinely get burnt.
If you use fiber transceivers or direct attach copper, they wont get as hot
I used the SFP+ when I was working for an ISP. One coming in from each of the backbone providers, into the transparent firewalls that I built and ran for the ISP. And then one each going out of the firewalls, and again one each going into the big Cisco router. I think that we also had a few going from the router into the big switches.
In some places, you can get 10Gbps residential internet these days :)
@@ArthursHDyou probably can, but not where I live. You are still lucky to have 10Mbps service, unless you are on StarLink.
Calling SFP an "internet connector" is beyond words....
Oh yea and wifi seems to mean The Internet.
I have often used those, when setting up connections from a carrier to a data centre. With fibre, there are a variety of models, depending on the fibre connection. There can be single or double fibre versions, single or multimode and any of those with a variety of wavelengths (infrared "colour") to consider. Also, you showed a switch with several copper connectors and 2 SFP connections. When there are 2 or 4 connections, separated from the rest of the switch, they're generally used for upstream connections and will typically be faster than the rest of the switch. For example, years ago, I used to work with 24 port 100 Mb switches, that also had 2 Gb ports. Those Gb ports could be connected to a Gb switch, for large networks. The same holds with the speeds commonly found these days.
I had recently picked up the TP-Link adapter in your video but hadn't gotten around to install it in my UDM Pro.
When you said it was incompatible, it had me concerned and I initially had some difficulty getting it to work. But, I found it does if I set the #10 SPF+ port as a LAN port.
I really want it to work as a WAN so that I can use my phone as a backup Internet connection.
The French translation is really good (but I prefer listening in english)
We have a few of these in a few businesses we look after as you said it tends to be SFP from Switch to switch put we also have teamed SFP into host servers to run a 20gbps uplink to those.
I gave the video the biggest thumbs-up I could find!
I have these on my MikroTik 10Gb switch. They can be a little expensive but they're awesome! My main use is accessing my 10Gb NAS. 😁
I’ve actually seen some of these in old switches at my secondary school today! It had a fiber connection. Also seen two QSFP+ cables in the IT room.
Maravilhoso conteúdo, obrigado por trazer em Português do Brasil🇧🇷
Good video, thanks.
this video is pretty interesting.
by the way, i hope you get to 3 million subs.
I've been lucky to be able to work with QSFP-DD (and soon OSFP), It is really cool tech and incredibly fast data rates, even considering that the 400G is divided across 8 channels.
My company is making equipment for Cisco, Juniper, et al to test the electromagnetic radiation of their QSFP-DD hardware. When you have a server rack full of these modules, its basically a wall/array of antennae radiating at up to 50GHz, and neighboring racks can interfere with each other if not shielded properly.
I'm sometimes being in an area with a switch rack. I examined the switches inside that and noticed that most of them were not looking like the Ethernet cable plugs I know. Some plugs(maybe) had two cables attached to them.
I guessed that there could be fiber there, but I didn't know much idea.
Now I know that the rack was full of SFP's 🤯
Also, consider different optical transmit power and attenuators. I recently had a customer who had connection problems with their SFP because the fibre was only a few meters but the switch was rated for 20kms. The optical receiver can be damaged without an attenuator.
Useful info, my use case is an old enterprise switch. I was originally going to use transceivers, but think I'm going to get expansion cards for the two systems getting 10 gigabit connections.
0:21 Oi, a tradução meio que levou ao literal o RJ45 como “Rio de Janeiro 45” (pois a sigla do estado no Brasil é a mesma), as pessoas geralmente falam “RJ45” no português.
Só por causa desse erro de dublagem, vou chamar o cabo Ethernet de "Cabo Rio de Janeiro", kkkkk.
These modules have another thing to check - the cable length. Some models officially support shorter runs than expected 100 meters, it can be as short as 30 meters instead.
this^ not all SFP's have the power to blast fiber down a couple KM's run, some can only do a couple meters.
I came across this (SFP) in some specs for switches, but never actually saw or used one. Seemed to be an common adapter to go to whatever type of media you actually wanted to use fibre/copper etc. I figured neat, but had no need to use.
My ISP modem has this to connect the fiber optic cable into it. It was back in 2020 when I got their newest modem I think, it was the first time I saw that thing, so yeah, I saw that thing before!
Oh, and it's pretty funny hearing French speeding up and slowing down suddenly, at least it works ^^
You mentioned Latency, every FPS/RTS player will now rush and buy one :D
The old timers I work with use the anachronistic term "gbic" to refer to SFPs.
We have a wide variety of clients at our MSP. We recently installed a commercial StarLink dish at a rural client site as a secondary WAN. Being that this site has had several lightning strikes I opted to use a media converter to connect the RJ-45 from the starlink to the secondary WAN SFP port on their UDM Pro. Better to have a measure of electrical isolation than have their main router take a lightning strike again. I dug a burnt cable out of the wall when I ran the line too. 🤣🤣
excelente tutorial saludos desde Colombia
thank you for Polish dubbing, I feel like the translation isn't very good, but it's not bad aswell
Was super disappointed with the ubiquiti unit. Didn’t support negotiating at speeds under 1gbps. Just needed to add one more port, didn’t need a small dummy switch. Turns out I needed a dummy switch
Finally! A niche computer part!
When I was in the military we had a connector that had about 120 pins in the connector and could transfer almost a terabyte of information in less than a minute however this requires a special setup to work properly and even then it's not particularly easy to use or get maximum speeds during transfer.
Hi Thio, Quick question please. I have a new Qnap Qhora321 wired router for home use. And the firewall has 3 setting I need help with. FTP ALG, PPTP ALG, SIP ALG. For home use do I need to have any of these enabled? Thank You!
Here in Switzerland, every house with FTTH has an SFP+ connector for 10gbps connections. Nearly every house (in cities mostly) have a wall plug for SFP+ which connects to the router.
Just a lil funfact, and why this connector is actually not uncommon at all in Switzerland!
With some ISPs (Init7 for instance), you can actually get 25gbps with SFP28.
In France we have sometimes a Fiber SFP on the home modem provided by the ISP (generaly when the modem is compatible with DSL and Fiber).
Ничего себе, робот-перевод на 99% передаёт всю суть видео!
В Яндекс браузере, в ютюбе есть перевод видео
We’ve had copper sfps weld into switches. So certain switches we only run fiber. The 2 sfps with a copper cable built in are called DAC (Direct Attach Copper). We use fiber for all the infrastructure where I work. Copper inside buildings with the exception of datacenter. All servers that support it are using fiber, some even using 10 or 25Gig.
I accidentally pulled one of these out of the back of my new AT&T fiber modem the other day, I wondered what it was! 😅 Lol, thanks for the info, Joe!
Note: they work much better when plugged in, hehe 😉
When installing AV over IP encoders and decoders, sometimes all the ports become used, the bandwidth or power allowance is maxed out, so we have to stack switches to either increase the bank or add extra ports to the installation.
Its just an SFP. We use them all the time in Enterprise switches for connecting fiber and far less less commonly RJ-45. I have a Cisco switch in my room and it has 4 SFP slots. I was planning on running fiber from my room to the router to replace the existing Ethernet over Coax and I would use SFPs on both ends.
adoro il tuo software per tradurre i video, è molto utile per i video classici ma per i Roleplay è un casino, ci vorrebbe di migliorare il file aggiungendo le varie emozioni in modo che possa emularle
"Rare use case"? As a home lab user, I've got a DAC between my NAS and switch and budget server and switch, so both have a 10G connection to each other.
It auto switched to polish for me and I have to say, it's pretty amazing that you can do that now, but the constantly changing speed of the narrator is sometimes distracting. I feel like inserting a bit of a pause instead of slowing down the speech might be a good idea in some cases to make it "flow" better. There are some mistakes/things translated "too directly" where some context changes the word we would use in polish, but it's usabe. I still prefer to watch in english, but that was to be expected as I can hear the original in sync with the video and without any mistakes. Really nice!
I'll not lie: I laughed loud when the TTS read "Rio de Janeiro 45"
I have to plug in one of these SFP+ adapters for my modem's fiber internet connection. There is one 10 GbE port on my modem, which I can break out to other devices using a 10 GbE switch. I use a TP-Link TL-SX105 for this purpose.
Hello 👋🏻 Happy New Year 🎆
Excellent new year, good to be back
@@ThioJoe 🥳🎉
Nice naming scheme. Probably took inspiration from USB
When I saw this video in my recommended and read the title I said to myself "Don't gaslight me Thio I know what that is"
Randomly found this video, where I work (a WISP) we use SFP and SFP+
Cool to learn more about them
Yeah I tried playing around with this stuff a few years back trying to get more bandwidth out of my homemade nas. It was fun to play with the bed expensive maybe I'll try it some other time.
The technology behind automatic translations is impressive, but the audio speeding up and down to match the original speed is kinda weird sounding. Also it seems like sometimes it's just translating word by word rather than full phrases and it ends up with a phrase that doesn't quite make sense in Polish, but I was surprised how it handled proper nouns.
Was waiting for the next video to check out the audio tracks.
ThioJoe: You've never seen this before!
Comments: I work as a network engineer
I use these all the time both at work and at home and at my friends and families houses too.
I've got a 10GB NIC for my desktop to interface to my fiber internet to get my advertised speeds from my ISP. I'd like to use fiber but the router from the ISP only has a 10GB copper jack 😞
and here I am, trying to get 2.5 gig to the entire house, and this switch I bought is 4 2.5 gig ports and 2 SFP+ ports... sure hope I can circle chain a few together
When we upgraded our core environment. Everything went fiber to the distribution switches. But I had to dig up some of these as i need copper ports at our cores for certain devices.
Excellent video : I have a quick question, Can we connect QSFP to ethernet directly or do we need to convert QSFP to SFP+ and another convertor from SFP+ to Ethernet?
I've seen that on the back of my mom's AT&T modem. Had to plug it in when setting up her Internet. I wondered what that was!
Terima kasih sangat mengedukasi
We use them to interconnect the switches in the racks, and also for fiber connections between floors.
The rj-45 switches with SFP ports are usually the uplink to supply a higher bandwidth
uplink for stacking master/slave, downlink for switch core connection
I have a whole home network setup with a TrendNet 24-1GB and 4 SFP+ ports. I have one sfp port for my Pc at 2.5Gbps and 2 for my Synology DS1618+ duel 10Gbps (Aggregated) to equal 20Gbps. It works very well with the SFP+ and RJ45 adapters.
ThioJoe in Portuguese you have to use
R J45 because if you use RJ45 the voice on the video will say "Rio de Janeiro 45"
I use two of them with my home network setup as my main switch is SFP+ but the server next to it is Dual 10G Ethernet and other rooms are fibered up.
The problem might be with your 10g pc connection to the switch and then onto the Apple TV.
You might be running into issues with the larger data frames and packet sizes in 10gb.
On the pc you could match the transmit and receive buffer to that of a 1g connection. I have run into this problem before with NDI
Even with DACs, you can run into issues when you mix and match vendors. The host device (device with SFP port) and the SFP itself always perform a negotiation, even if there's no actual logic needed for transceiving the signal (because it's just a copper cable).
Some devices are more picky than others, on some switches you have to enable a config option to allow unsupported transceivers (ones from a different brand than the switch).
Using SFPs from a generic brand can be hit and miss.
There's one brand, they're called Flexoptix out of Germany that offers programmable universal transceivers that can be programmed to emulate the behaviour of any other SFP, they mostly work well in my experience. And they're hella cheap compared to the official vendor ones - an original Cisco SFP might literally be 10x the price of a reprogrammable Flexoptix SFP.
Then again, the box used to reprogram SFPs is something like 1,5k, so only affordable to businesses that do a lot of installations.
I have worked with networks for years. The issues he has with the Netgear handling 10gb to 1gb can be attributed to many things. Could simply be a firmware issue. If not, it maybe the hardware design. Meaning that it depends on the SOC, on board memory, chipset compatibility, or other issues. Net gear has always been popular in the retail market. They do make some corporate grade equipment. I have used net gear switches for small remote locations. I don't think they make the best enterprise type of equipment. That would have to go to Cisco or other enterprise level switches. Even with Cisco, I have seen some connectivity issues. Usually the firmware on the main switch and/or the firmware for add on hardware like and sfp. Most lower end switches are made cheap as possible. So they do not have the best SOC, RAM, cache memory, and other hardware configurations. So it is always best to analyze the situation and your need. Do research. Plan for any future growth, needs, and scalability. Then go from there. Always pay close attention to the specs of the equipment.
There's even VDSL2 Modems for SFP form factor so you can plug your DSL directly into your router/switch.
Last month I also added 10G to my Synology and pc. I use mellanox x3 cards from AliExpress with a qnap qsw-m408-2c switch which has 4 10G ports and 8 1G ports, of which 2x 10G combo ports. Next switch is a qnap qsw-1108-8t to living room and router which is 2.5Gbit.
A sfp module exist either as rj45 or as fibre. That is the sense of this module that you can decide self if you need copper or fibre. It depends on length of cable. Copper cannot bridge more than 100m. You will need it on each cisco switch and some of commodity. And PoE is availabe, that is the sense of SFP+, it delivers 60 watts instead of 30 of normal sfp.
I like those stats. My unifi POE switch and Maon switch are connected by dual SFP Fiber runs. Link aggregation and low latency FTW.
0:57 hey i have that 😳
7:46 i would recommend a MikroTik CSS326 (?) with 2 SFP+ and 24 RJ45 Ports for around 160€
Wow Amazing 👍
Seems to me that the SFF module concept was created not because it actually solved a problem that could not be solved at a lower cost (like having fiber ports built into the switch). But was instead created as a way to charge more for a base switch (to include the SFP interface circuitry) and even more for each module (and have to be periodically replaced); thus doubling the total cost of ownership and profits for something that should rightfully be a much lower cost.
an sfp module is a connector that doesnt specify a medium, unlike any other connector. an sfp connection can be direct attach, twin coaxial, twisted pair, fibre (single mode or multimode, active or passive, any number of connectors), ANYTHING else that may come in the future.
I’ve never seen an SFP for $10 or an SFP+ for $50 but that’s because we pay Cisco’s nonsense pricing where an SFP is almost $700 and an SFP+ is $1100 for single mode 10GBaseLR. Their QSFP28 units are $6000