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Crônicas sobre cabeamento

06-9-2017

If you ever attended a Standards meeting you might have heard the word “harmonization” mentioned frequently. The idea of harmonization, somewhat of a holy grail, is to have standards from different organizations agree. For example, imagine if the TIA, IEC, and ISO/IEC organizations used the same test standard. Actually, there is nothing to stop them – TIA frequently adopts IEC standards. However, I am not aware of IEC or ISO/IEC adopting a TIA standard.

30-8-2017

Fiber optic cabling comes in two types – multimode and singlemode. Most of you likely know that multimode cabling distances are shorter than singlemode, and singlemode is therefore deployed for outside plant long-haul fiber applications, while multimode is the primary choice for data centers and premise applications.

23-8-2017

For professional contractors and installers of data communications cabling systems, compliance with ANSI/TIA 606-B Standards updated back in 2012 has required new levels of precision in cable labeling – often an arduous and time-consuming process for cable installers. Today, however, thanks to smart, cutting-edge cable labeling tools and technologies, that situation has improved dramatically!

606-B Compliance…and a Whole Lot More

16-8-2017

It seems like just yesterday we were talking about spring cleaning, and now we’re moving into the dog days of summer. And it’s hot.

09-8-2017

In the 2014 version of ISO/IEC 14763-3, testing of optical fiber cabling, unidirectional testing for permanent links is required. In specific cases, bi-directional testing is required. However, ISO/IEC 14763-3 provides no information on how a bi-directional test should be done - this article explains how.

When Bi-Directional Testing is Required

02-8-2017

Testing and characterizing a permanent link with an OTDR requires the measurement of connector attenuations A/B and fiber loss C. To make this measurement, a launch and tail cord are needed (see Figure 1).

05-7-2017

Polarity defines direction of flow, such as the direction of a magnetic field or an electrical current. In fiber optics, it defines the direction that light signals travels through an optical fiber.

To properly send data via light signals, a fiber optic link’s transmit signal (Tx) at one end of the cable must match the corresponding receiver (Rx) at the other end.

29-6-2017

While it may look and feel like a fiber patch cord, Test Reference Cords, or TRCs for short, are not patch cords. There’s a little something different about these cords that are used for certifying fiber cabling systems to ANSI/TIA, ISO/IEC and IEEE standards.

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