Trace Fiber Optic Cables

Hi Folks
How to trace Fiber Optic Cables,I m Working in environment where no Fiber Optic Documentation  and I Don't know how cables are running between fiber patch pannel on the rack on access switch and the fiber backbone .no label to start working and prepare documentation

Are the fibres carrying live traffic?  If they are not live you can trace them with a red light source, its like a pen that has a laser that operates in a visible wavelength, heres one I found which seems to use very bright LEDs:
http://feedthenetwork.com/cable-and-satellite-tv/visible-light-use-for-fiber-continuity-testing
And this one goes 10km with a laser:
http://www.dhgate.com/10km-red-light-pen-fiber-optic-test-fault/p-ff8080812b2e44e5012b48263732532d.html
With everything you get what you pay for and cheaper ones will not go as far as the more expensive ones.
With my laser based red light source I see a break in a fibre patch cord and I can also put a gentle bend in the fibre and it will leak out the side of the sheath.
I hope this is obvious but DO NOT look into the end of a connector EVER, you can't see 1310nm or 1550nm but it will give you a very cheap laser eye surgery job and will almost certainly damage them beyond repair.
If the fibres are live you may have to disconnect them to see which port goes down, thats the safest way to do it anyway. 

Similar Messages

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    Solved!
    Go to Solution.

    rebeccajeanne wrote:
    Do I assume this is fiber optic cable?  
    No.  The fiber optic cable attaches to the Optical Network Terminal (ONT), which is usually outside.
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    You can confirm if you're connected  via ethernet in two ways.
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    Since your ONT is outside, replacing the ethernet cable presents a couple of problems..
    1)  When VZ installed the cable, they passed it through the wall, then sealed the opening with silicone.
    You need to make sure you can fit a preterminated cable through that opening unless you're capable of terminating a cat5 cable yourself. 
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    rebeccajeanne wrote:
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  • How difficult/costly is it to install fiber optic cables?

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    Installing fiber optic cables is not just a "how hard is it?" question.    yes, the business considerations do take into consideration the physical issues (how hard it may be [above ground and below ground]), but there is more:   Can the company get City\county\state PERMITS to do so?  What engineering problems are there? (mountains, existing drainage or other water culverts, etc.?)  and then there is also the business consideration of 'how much uptake will be realized if we install the fiber cable?' (how many users in the neighborhood?)
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  • Sfp and fiber optic cabling

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    If the fiber type is compatible with your transmission type (single mode versus multi-mode) then all you need is to correct the physical connection.
    You can change the connectors (or, more likely have them re-terminated by a pro ... it can be tricky) or use a jumper with the compatible connectors on each end (like SC-to-ST, SC-to-LC, whatever).
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  • Fiber optic cable part number for s6500

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    With what type of fiber connectors is the fiber you had installed terminated? SC, LC, ST? Is it terminated at fiber patch panel. Also, do you know what type of fiber they installed? Post a picture and it should be straightforward to tell you what you need. Since your running 10G LRM you should use OM3 multimode (OM4 is ok too), hopefully that is what's installed.
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    Enjoy!
    Panduit Fiber Products
    http://www.panduit.com/Products/ProductOverviews/FiberSystems/index.htm
    Fiber Optic Association
    http://www.thefoa.org/tech/ref/index.html

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  • Fiber Optic Power lvl

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    ========
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