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Crónicas de cableado

08-2-2013

Gracias a la presentación de componentes de fibra óptica de pequeñas pérdidas como los casetes LC/MPO, los presupuestos de la pérdida (límites de prueba) se reducen cada vez más. Como resultado, los instaladores se están dando cuenta que los métodos y las suposiciones anteriores sobre la prueba de fibra ya no son actuales.

Aunque la Asociación de la Industria de las Telecomunicaciones (TIA) todavía permite 0,75 dB por conector, los conectores pulidos de fábrica se aproximan más a 0,2 dB. Al probar los límites de TIA, los instaladores pueden tener un poco de incertidumbre en la medición. En otras palabras, las prácticas de prueba tienen que ser razonables pero no perfectas.

10-1-2013

Mientras las empresas intentan cubrir la creciente demanda del tráfico de IP para apoyar la cantidad de aplicaciones comerciales cada vez mayor, muchas están diseñando sus centros de datos con redes de fibra óptica que admiten conexiones Ethernet de 10 G o 40 G entre servidores, switches y redes de almacenamiento, y conexiones Ethernet de 100 G para conexiones de switching principal y con troncales de enrutamiento.

27-6-2012

What do Albert Einstein and Michael Jordan have in common?  No, they’re not both LinkWare users… They focused on continuously learning and pushing the envelope even though they were already far ahead of everybody else. Just like our engineers who worked tirelessly to rebuild LinkWare from the ground up and make the best even better. Improvements include:

14-3-2012

By now you will have heard about the new OptiFiber Pro OTDR  and that’s a relief for me because I’ve been biting my tongue for a while!  Now that its been announced, let me share my impressions and an overview of what makes the product unique.  I will also include some links to more detailed information.  Take this from a guy that has spent five of the last seven years playing with OTDRs… I’ve used them all.  And this one is going to change everything!

07-3-2012

The end of March marks one year since calibration and service was available for the DSP 4300, and an end of an era for technicians certifying cabling with the Series.  It was a long love affair. The DSP 100 was the first of the Series. It was introduced in 1995. That year the DVD was selected as the home video format, a gallon of gasoline cost $1,09, and we all had to undure the infamous OJ Simpson trial.

25-2-2012

Ironically my desire to speed in traffic evaporated when I bought a real sports car.  But this story is not about me and my desire to push the limits.  It’s about you.

26-1-2012

I received my new RCDD certificate, good through the end of 2014, in the mail last week. My reaction was more pensive than the elation I experienced after first passing the exam in 2003.

07-1-2012

If you’ve seen a set of Category 6A  Patch Cord Test Adapters, you may have wondered why the “A” is subscripted.  It has to do with the standards that the adapters support. The little “A” denotes that the adapter meets the ISO/IEC specifications for a patch cord test.

23-11-2011
When I was a cable installer, we often built redundant networks for voice and data communications.  The data cabling was terminated on patch panels, and the voice grade cabling was terminated on wiring blocks. There are thousands of installations done this way.  And there were lots of reasons for it, including cost.  But I think the major reason we kept installing separate “voice grade cabling”  was that , deep down, the key influencers of cabling installation design didn’t believe that the end of voice circuits  would ever happen.

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