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Кабельные хроники

2018-5-30

Смотрите, никаких рук!

Did you ever have one of those days where your hands feel like two foreign objects that aren’t connected to your body or your brain? Yesterday started off as one of those days for me. It went something (maybe not exactly) like this.

The first mistake was my decision to carry too much stuff out to my truck while simultaneously balancing my coffee. It didn’t go very well. Not only was I now five minutes late from running back in to change my shirt, but now I had a cleaning charge to worry about.

2018-5-23

Будьте в курсе всего нового, тратя как никогда мало времени!

Идти в ногу с развитием отрасли — не так просто. Меняется все: стандарты, способы работы, технологии... Но не волнуйтесь — мы всегда готовы помочь! Мы знаем, что иногда бывает трудно найти точную информацию, необходимую для развития. Вот некоторые ресурсы, которые помогут вам идти в ногу со временем.

2018-5-16

Сколько звезд в вашем поясе для инструментов?

We talk a lot about certifying copper cable plants using Fluke Networks’ DSX CableAnalyzer series certifiers, but voice, video and data deployments start with technicians having the right copper installation tools.

While Fluke Networks offers a wide range of copper and fiber installation tools designed to streamline the job and make you more productive, we thought it would be fun to take a look at our top 5 everyday copper installation tools from an Amazon.com point of view.

2018-5-09

Аудио/видеосистемы идеального качества

Whether it’s video conferencing or digital signage, many of you are likely facing requests from your customers to deploy cable plants that support audio-visual systems.

2018-5-02

Обновление до PoE на четырех парах: что нужно знать

В течение нескольких лет вы развертывали кабельные системы, в которых применялась технология Power Over Ethernet (PoE) для целого ряда устройств: VoIP-телефонов и камер видео наблюдения. So far, up to 30 Watts is all you’ve been requested to support, but with the plethora of devices now able to take advantage of higher levels of PoE—like the latest 802.11ac Wi-Fi access points, digital displays and even desktop computers—your customers are starting to ask for four-pair PoE.

2018-4-25

Почему я не могу использовать метод тестирования с 2 кабелями?

Like the TIA and ISO, Fluke Networks promotes the use of the 1-cord method to set reference for fiber loss measurements. The 1-cord method is where a launch cord is attached to a light source and the other end to a power meter. A reference is then set (the power measured is defined as 0 dB). Next, the launch cord is disconnected from the power meter, but not the light source. Then the far end of the launch cord is attached to the cabling under test and a receive cord between the far end of the cabling under test and the power meter.

2018-4-11

История RJ45: ошибка идентификации

Our industry commonly uses the term “RJ45” to refer to the modular 8-position, 8-contact (8P8C) interface deployed for Ethernet over copper twisted-pair network cabling despite it pretty much being a case of mistaken identity.

But since the RJ45 name has stuck, we thought maybe we’d take a closer look at the history of this nomenclature and why to this day, it remains the de facto interface for twisted-pair Ethernet applications.

Jacks of All Trades

2018-4-04

Откалибруем все устройства и хорошо проведем время!

Just like those who drive around long after the engine service indicator lights up on the dashboard, there are folks out there who have likely been putting off getting their tester calibrated despite the email or LinkWare Live notification from Fluke Networks.

2018-3-28

Слишком рано прощаться? Это все относительно...

You might remember that just about three years ago, the DTX CableAnalyzer™ was officially retired. Since its discontinuation, Fluke Networks has continued to offer technical support, repair and calibration for this tester that was once touted as the ultimate time saver and brought testing to a whole new level when it was introduced in 2004.

2018-3-14

Мантра OM

Adopted by TIA, the nomenclature for multimode fiber found in the ISO/IEC 11801 standard includes the prefix “OM.”

Rather than the spiritual mantra you hear in yoga class, most sources in our industry state that the acronym OM comes from “optical multimode” which seems rather obvious. But when it comes to the various nuances of each type of OM, the differences aren’t quite as obvious.

Let’s take a closer look.

OM Mantra

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