Hello! I need a laser to test various types of fiber optics.
This is just a light test, nothing more. So, a blunt laser pointer with the right attachments.
LC connector
SC connector
E2000 plug etc?
Do you have any recommendations for me?
LG
(2 votes)
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Take the type of plug you use most often. For all other types, you can use patch cables as adapters.
At that time when I was a fiber optic splice, we had an LC/SC (ST also fits) and a patch cable for E2000. That’s enough.
To put the laser in a patch panel or in a wall box, you need a patch cable, so 99% of the work does not matter when you have the matching patch cables. And with a matching coupling you can also test patch cables.
Things don’t cost anything anymore!
Look here:
https://www.amazon.de/Visueller-Error-Glassfibre-Rotlicht-Teststift-Werkzeug-Test-Glassfibre Break/dp/B0B28NKQZV/
I don’t know if it’s deaf, but at the price you can buy the thing directly to try out and throw away when it’s crap.
The cut of the plug does not matter, only the diameter of the ferrule. And if that thing can be LC and SC, it can be anything but E2000. And even the diameter of the ferrule is almost no matter. With a strong LED flashlight you can test almost as well as with a special laser.
Sometimes even “faster”. The colleague (with radio device) holds the LED lamp in SOS mode directed to the panel or wall can and in the server room with light you can then directly see which holes SOS blink. You can then see if the order is correct or the labels are made. The actual measurements are made with the ODTR anyway.
P.S.:
I just tried this with a flashlight I bought recently.
https://www.amazon.de/dp/B0CC5SKPP1
Drawing the head out, i.e. “lower beam” SOS lighted on my patch panel (dust protection cap removed) I see the dust protection cap flashing clearly in the can behind my TV at 5m distance. And I haven’t even let down the shutters!
Thank you. I’m still a little young and unmistakably in the glass fiber sector. You helped me a lot. It was also very instructive! 😀
E2000 the linked laser can actually also, because you just need to pull back the dust protection cap to get to the heel. Has the same diameter as SC/ST/FC.
And can confirm that the linked laser is enough for almost all work. It is even stronger than some lasers you get at the professional glass fiber shops. With my former company, we had some 120€ in the program, which had already reached its limits after 3km and already went out after every slight shock.
That’s completely correct. It is only important that the beam strikes the fiber halfway straight. Just don’t keep it “on your own”, so you have to hold it with your fingers. And even better is the beam of an LED flashlight when you can put the fiber directly on the LED or a lamp where you can bundle the beam.
There are already differences in the lasers. Laser diodes do not emit a perfectly coherent light. This leads in the fiber to interferences through which light is then lost. In the past, a lot of money had to be spent for a laser diode which emits a “clean” beam.
Modern cheap laser diodes are much better than super expensive diodes from over 10 years ago. So a €20 tester from today is often as good as a €400 thing from “damals”.
Thanks for the tip! I didn’t know that worked like that. I’ll test it.
My laser can be locked. Only E2000 doesn’t fit in. So you can only target “free”. But as I said, by patch cable and coupling you can also use E2000.
Clearly, the red light on the E2000 plug does not hold so good, but good enough that it does not slip away from itself, just because you move it a little. So works just as well as with SC/FC
♪
we use correct test equipment
You usually the ODTR?
Sure, you can’t need the laser for the measurement protocol.
However, if you want to quickly find out which can arrive at the patch panel or if you want to quickly check with Fiber-to-the-desk, you need to see if and where the depp has slopped on the cable.
But this also works so well with a strong LED flashlight.