Fixing Broken Optical Fiber: Methods, Connectors & Where to Buy for Surveillance Cameras

Hi.
I didn't really bother to read all the posts.

As for the connection, the first step would be to determine what kind of fiber it is (single-mode, multi-mode, gradient). The hardest thing to connect is single-mode. A welder would be the most suitable tool, but there are connectors (can't remember the name at the moment) - it looks like a straw filled with gel, which gives you the option of a "push" connection, but you need a knife to trim.
After connection, such a joint must be protected against moisture in the so-called muff.
As for the attenuation, at the splice (single-mode) the attenuation of the connector must not exceed 0.15 dB, at the pigtail (someone mentioned it) 0.5 dB

As for how to make a joint on a pole, the so-called technological stocks allowing to remove such a connector from the pole, make a cable and connect it.

Regards.

dariuszm2 wrote:

Hi.
I didn't really bother to read all the posts.

As for the connection, the first step would be to determine what kind of fiber it is (single-mode, multi-mode, gradient). The hardest thing to connect is single-mode. A welder would be the most suitable tool, but there are connectors (can't remember the name at the moment) - it looks like a straw filled with gel, which gives you the option of a "push" connection, but you need a knife to trim.
After connection, such a joint must be protected against moisture in the so-called muff.
As for the attenuation, at the splice (single-mode) the attenuation of the connector must not exceed 0.15 dB, at the pigtail (someone mentioned it) 0.5 dB

As for how to make a joint on a pole, the so-called technological stocks allowing to remove such a connector from the pole, make a cable and connect it.

Regards.

there are always stocks of the cable [of course wrongly] because it is Polish and they do it against the standards, or they leave it in single places along the entire otk line

The description shows that the technology used is:
or VDI distributed by Legrand-Fael - Legrand catalog for 2004, page 613, maybe the local distributor (in Wielkopolska it's Nowa France) will lead you to someone who bought it and makes it. It is a completely "field" technology and the accessories include a positioning handle and a crimper.

or 3M (I have the VOLITION 3M certificate).

I advise you exactly the same. There is no sense and no possibility to master the technology for one connector. And by the way, someone probably gave a guarantee for it and should perform such a post-warranty service for little money.
Regards J

Hi.
The splice price (this will be the best solution) of a single-mode fiber should not exceed PLN 100, with larger quantities even PLN 40). That's more or less what fiber optic companies do.
If you are interested, I will look for and see the names of the connectors that I described (quite good).

As for the stock - I have not had such a stock in the connector for 4 years - it is impossible otherwise - the optical fiber is not copper - it cannot be stretched to put on the connector and thus get the connection. Sometimes, when the fiber was heterogeneous, it was welded 20 times to obtain a weld within the normal limits. I will add that with 10 splices on the line, the value of one splice cannot exceed 0.08dB.
Regards.

Hello, if you can, look for what connectors you used for connections, and as cheaply as possible you can check if the optical fiber is "passable", i.e. whether there is no break on the way, e.g. in the ground: some light source at the beginning and at the end for the optical fiber to shine - without measurement power or with measurement, but it's probably an expensive thing?
maybe someone has a fiber optic tester for sale - I'm interested in buying - or can recommend something, b. please give me info.
I am also interested in buying a fiber optic knife - what company are they quite solid and reliable to use?
the network is large, after the warranty and the company wants to invest in equipment and materials for operation, this is not a one-time repair - there are also other failures and there will be more of them, today we need connectors for repairing optical fibers and a tester for checking.

That's exactly what I mean.
in Poland you can buy it at Lanster (www.lanster.com). But unfortunately they sell it by 6 or 12 pieces.
Inserting the optical fiber is simple. But you need to have something to cut it with (if you cut it with scissors, it certainly won't work).
Lanster also does fiber optic welding sometimes, but I don't know if it will be profitable for you.
I bet other manufacturers also offer a similar solution. And I'll bet it's cheaper than AMP (Lanster).

The price of a single weld may be about PLN 100, but you would probably have to add travel. AMP tools for fiber optics are very good quality, but also very expensive.
The Corelink connector is filled with gel and from what I remember this gel protects against moisture (but I won't give my hand for it).

I think it protects more against reflections, etc. The gel has properties similar to optical fiber, so there is no fiber-air-fiber junction and there are no such drastic reflections, but it passes through the gel nicely

Hi.
I will see and let you know.
I would like to point out, however, that in order to get a (quite good) connection, you need to cut it well (gel is not enough).
How to check - it depends on the type of fiber - single-mode You can't check it by shining a lamp, for example. Gradient - you can use, for example, a laser - but also at short distances.
I would like to add that my friend, while making pigtails, shone a lamp on one side (single-mode) and on the other looked through a magnifying glass (but it's only up to 40m) and to check if the pigtail doesn't suck.
More accurate measurements is a reflectometer - but it's an expensive toy.
Regards.

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