Fundamentals of Fiber Optic Cabling

Fundamentals of Fiber Optics
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In this video, you'll learn the theory of fiber optics, along with various types of fiber optic connectors, and speed/distance limitations. This video covers content in Kevin's Network+ (N10-007) Complete Video Course, which you can purchase here:
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Kevin Wallace, CCIEx2 #7945 (Collaboration and R&S), CCSI #20061
Homepage: kwtrain.com
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Fundamentals of Fiber Optics
• Fundamentals of Fiber ...
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[@iyarihernandez3283]

I just started a job installing fiber optic cables and I’m trying to learn as much as I can

[@therealyoungspur]

Me too

[@npm911]

Same bro

[@ConnorHoward-z9f]

i’d love to do this, it’s something i really want to learn but have no idea where to begin.

[@alexodocharty2884]

same

[@jonnyardemagni9668]

How’s it going now??

[@joanahsylviajimenez6808]

You're one of those people who makes complex things easier for people. I salute you sir!

[@lorenapowers1198]

There is never a time when I watch your videos and do not understand them. You are always very thorough. Thanks again!

[@bashirali8649]

after 6 YEARS i would like to thank you for this great video, Sir you are professional. like a magic I do understand what it was hard to understand... thanks from Libya Tripoli 09-06-2024....

[@speedzero7478]

Excellent video. I start as a fiber installer trainee this week, and need every video I can get.

[@wiserdaley2191]

What a formal and straight up teacher 👍💯 Thank you Sir.

[@JL-cu8rh]

The best explanation of "fiber types" video so far!! Great Job!!

[@LeoLarrosa1987]

Just passed my CFOT course and was watching some fibre optic videos for fun (lol). And I must say you did a great job on explaining the way paths of light travel through different mm and sm fibres. It’s such a cool field of work I’m proud to be a part of... Also quite lucrative 😂

[@swisdom9117]

I wanna learn too! Have you started making money from it already?

[@samn3276]

It would have been nice if KW talked about Transceivers. You are elite, appreciate you! 🙏🏾

[@michaelbeckerman7532]

Wow, this is probably the single best video on this subject that I've ever seen. Really well done! Excellent presentation.

[@artistfirst7011]

This is by far the most exciting and informative technical video for a non-technical person such as myself...Thanks a million Kevin...and when I say Non-Technical, I mean i'm frightfully deficient in my comprehension of technical terms. Off to get any book I can find on this subject...any recommendations? We found unused MMF fibre optics from the 90's in our community 'off grid' and we just want to understand it enough to utilize its application for Agriculture..farming is the mainstay of our rural economy... Thanks a million for this...i am quite certain it will help us identify and communicate better what we want to achieve

[@デク-b7j]

Have the same problem with comprehension, are you solved it?

[@Naltddesha]

@@デク-b7jever thing is fine now. We are now understanding

[@jimboelterdotcomm9153]

Everything I needed to know, and nothing I didn't. Thank you.

[@TheCanuckVeteran]

Genius invention. Outstanding explanation!

[@ismaelhassan5110]

Thanks Kevin We have a chance to be with you and profit your knowledge Go ahead

[@ranatina]

Thank you Kevin Wallace for this video.

[@MohamedHamed-ni9wo]

it's really helping Mr.kevin, Thanks a lot

[@kenshinscott]

Great video you explain this pretty well hope you have more fibre optics videos clear to understand like this one :)

[@lstanford23]

I found this video extremely informative. 👍👍👍

[@Taigavarpu]

APC connectors wont work like that. Both ends MUST be apc- polished if u want to use it. U also did not mention, that you can use one fiber to send AND receive data. This is handy for "ftth" (fiber to the home) applications, because it cuts need of fibers to half. + Less patch cables, switches etc...

[@zlurcdca]

Commenting to echo this. Important correction to this video! I sell fiber optic cables to physicists and still have to explain this to them!

[@sammy6770]

Sorry the comment was for another video, But your video is very helpful.

[@mrperfqtdsenju5899]

Great video and very well explained!

[@alittax]

Thank you very much for the super clear and informative video! 8:10 This was my favorite part, such a clever way to solve the problem! Thanks for sharing! :)

[@Evansmustard]

You're a great teacher thank you

[@ahmadmansour1543]

Thank you Kevin, I always enjoy your work

[@defactok4661]

Is there a playlist for fiber cables /structured cables etc?

[@colorbugoriginals4457]

This video is very well done, thank you.

[@antonledoh6784]

thank you for your simulation, gave me fresh knowledge

[@Miki-Fiber]

Great video. 💪Greetings from a splicer from Munich

[@calummacdonald5919]

Thanks Kevin, this really is informative and interesting

[@runwithdaisy]

Hi Kevin, that was very helpful. May I ask a question about the length of the fiber cables? I'm using a 1GB media converter (Single mode) and the FSP module states that it can go up to 20Km. If I use a 30 M single mode cable, will that harm the converters? I saw a video saying that the wire length should match the distance that the converters can handle.

[@Ze_Chevalier]

Awesome informative video man, thanks for this.

[@zhovner]

Thanks, very useful

[@RyanBreaker]

Do you think you can do a video about the Fiber modules and what is compatible with what?

[@danilbelyakov6945]

Hey, Kevin, I am a complete newbie in this field. But if we do really need to exceed distance limitations, how do we typically approach this? By installing hubs or DC’s between connection points, or maybe something else? Btw, thank you for your video, really helped me on my current project!

[@thegirl4379]

by use of repeaters

[@DergEnterprises]

Well explained. The company I work for is migrating to 10 Gig for our access layer switches.

[@johnsono3]

Really well described video, sets a great foundation to build on in regards to understand fiber :)

[@brianjollimore3515]

Great Vid Kevin, Thank you!

[@grizzly6385]

Hi, may I ask a question. How exactly a splitter decides where to send the different wavelenghts to each ont?

[@HHTTRRNN]

Enjoyed it!

[@abdullahelnaggar5467]

Hi, i have some questions regarding the fiber optic, i hope you have answers for them 1-What component does a BH Fiber connect to? Switch-Digital Unit-Microwave-Router 2-What are common sector names? Alpha-Beta-Echo-Gamma 3-What type of cable is used to connect to a copper SFP? Ethernet-Coaxial-Fiber-Stranded

[@merrette]

Always remembered them as ST = Stab & Twist, SC = Stab & Click, and LC = Little Click... lol, hope this helps...

[@sardoggy]

Wow, excellent presentation.

[@kwallaceccie]

Thanks very much! I’m glad you enjoyed the training.

[@tigrayrimey6418]

Great points, Sir!

[@matuskrajcik]

Mr Wallace, from visual explanation of 2 connectors touching in APC scenario, it looks like we should use APC on one end and UPC on the other end. But this is not true. That gap between APC and UPC connectors actually causes a lot of power loss. You should alwaus use UPC vs. UPC and APC vs. APC.

[@colinjames8278]

Kevin- you are the MAN!!!

[@207splicelife]

very nice video love what you do!!!

[@MSB1180]

Lovely explained ❤

[@RM-hy4so]

Thanks

[@vinaygupta2436]

How the laser attain different angles in MMF? Do we have many laser diodes kept at different angles? If there is only one diode , how can light travel in different directions unless the diodes angle is changed physically for each light?

[@VanTekConsulting]

Fiber has a "Numerical Aperture" (Cone of Acceptance), this is how the core accepts the light. In MM fiber (Depending on OM1-OM5) type use LED or VSCEL lasers. These are stubbed or non-contact, so think of how the beam of a flashlight spreads. The further you are from the surface the larger the spread. Not quite this dramatic with a laser or diode but then again, we're dealing with nanometers (one billionth of a meter). Hope this helps.

[@vinaygupta2436]

@@VanTekConsulting Thank you ...

[@theraytioshow]

Great content Kevin!

[@ronmaagero]

Well done, thank you.

[@MrAsjobeN]

Thank you for this video. Can you explain me please what does λ symbol on power meter means? I know that is wave length in physics, but how that affect on fiber optic cable loss measurement?

[@VanTekConsulting]

Correct λ is the wavelength i.e. 850 nm or 1300 nm for MM. The effect on loss/attenuation is that the shorter the wavelength, the higher the frequency, the more attenuation (loss over distance). Think of it this way, a subwoofer in a car. You can hear the lows but can't hear the highs. Higher frequency always attenuates faster than lower frequencies. Hope this helps.

[@JDBoelter]

Well done!

[@galesiow5636]

Is there such a thing as direct bury fiber and do fiber cables have a fire rating?

[@VanTekConsulting]

Yes on the direct bury cable. A large share of fiber in the US is direct buried. Fire rating, Yes. National Electric Code is the governing body. Cable is rated and marked, if no marking it is considered General Purpose. A cable will be marked OFXX (Optcal Fiber), XXNX or XXCX (Non-Conductive or Conductive (shielded, non-shielded)), then XXXG,R or P (General, Riser or Plenum). A rating would look like OFNR (Optical Fiber, Non-Conductive, Riser), OFCP (Optical Fiber, Conductive, Plenum). Hope this helps.

[@kalimuthubalasubramanian8496]

Good example

[@DergEnterprises]

The ST connectors have given us a lot of grief, we're ripping those all out and installing LC connectors.

[@LynE40]

ST are great, however take up too many space.

[@fibertti4469]

Nice~

[@w_i_k_i_d]

If we can use a White Board & Eraser, instead of paper and markers, that would be great. It would save a lot of paper/wood. :D Love your videos and your way of explaining things.

[@abdulsslamkhierallah5170]

Thank

[@GirmpoPOCT]

Там нет лучей. Геометрическое приближение так себе там работает. Там есть волноводные моды.

[@simplestatic3751]

I've never put a straw in water, so I was lost for the entire video.

[@jeffbrownstain]

How the heck did you fit so much info in ten minutes?

[@SuperHddf]

hero!

[@ismaelhassan5110]

And please we are waiting CCIE R&S try to make it Sir

[@GebzNotJebz]

my microwave theory professor would cry if he saw this..

[@steven3577]

cool

[@beepboop9848]

Oh my god its phil swift

[@mohammedshaikh4377]

Your accent is very pure can u say SWEET HOME ALABAMA for me pls

[@TheCommunistRabbit]

This guy looks like the flex seal guy

[@VanTekConsulting]

Time Stamp 8:32 is really not accurate, and misleading. The idea in the graphic is that an APC (Angled Ultra-polished Physical Contact) connector is connected to a Flat Physical Contact connector is absolutely incorrect. For new folks watching this DON'T EVER DO THIS! APC to APC Only. IF this were to be done, there would be high loss and a HUGE Fresnel reflection. It would also most likely damage the flat connector causing further issues. I understand the intended principle trying to be explained, but this a terrible example.

[@naami2004]

I appreciate the video, but I could not finish it, the sound of the pen on papier made me sick :(

[@mudasbeats]

high speed internet access

[@carlosmoragutz711]

🤔🤔🤔🤔🤔🤔

[@keithd5181]

It is fibre.

[@Thee.Mighty]

like for bb-8

[@soeasyastonercoulddoit]

The sound of the felt pen on a paper is worse than nails on a chalkboard.

[@lukim1962]

Hi Phil swifts twin

[@include-bit]

hello everyone my name is welcom.....

[@sadhulk1283]

I'm Singelmode :(

[@dennissmith224]

You lost me !