布线发展史
What Ever Happened to Category 7?
If you Google “What ever happened to,” all the top search results have to do with past celebrities or that creepy 1962 Joan Crawford and Bette Davis thriller about Baby Jane.
And if you finish your Google search to ask, “What ever happened to Category 7,” all you end up with is the hypothetical hurricane rating that one TV mini-series dubbed “the end of the world.”In other words, Category 7 cable was apparently not popular enough to make the Google search cut.
2018 年 12 月 5 日
An Exception to Every Rule
An Exception to Every Rule
You’re watching a baseball game, the batter hits a fair infield fly ball, and the umpire calls the batter out even though the ball isn’t caught.
You might be thinking, “Hey, that’s not the rule.”But in fact, if the umpire judges that the ball “can” be caught by an infielder with runners on first and second base (or bases loaded) and there’s less than two outs, it’s considered an “infield fly” and the batter is out to prevent a double or triple play.
2018 年 11 月 28 日
Another Year of Thanks!
It’s that time of year again to give thanks! We are thankful for market growth continuing to be fueled by the IoT and Big Data, and for all the noteworthy standards ratifications that happened this year. We also wanted to take a minute to let all of our Cabling Chronicles blog fans know just how thankful we are that you continue to read our blog. We are committed to providing you with expert, valuable information to keep you informed about what's new in the world of cabling, testing and standards.
2018 年 11 月 20 日
Get to know Lengthonomics
This is a guest blog from Carrie Goetz (D.MCO, RCDD/NTS, CDCP, CDCS, 1st Degree IM) who is the Global Technology Director Paige DataCom Solutions.
2018 年 11 月 13 日
Get to know Lengthonomics
This is a guest blog from Carrie Goetz (D.MCO, RCDD/NTS, CDCP, CDCS, 1st Degree IM) who is the Global Technology Director Paige DataCom Solutions.
2018 年 11 月 13 日
6.0 版本的功能让新用户和当前 OptiFiber Pro 用户都能受益
You’ve probably heard of the new OptiFiber Pro HDR models we recently introduced, which are designed for OSP and PON applications. However, there are a number of new features now available as part of this launch that work in both the current OptiFiber Pro as well as the new HDR models. In fact, these new features can be added to any existing OptiFiber Pro at no charge through a simple upgrade. Let’s check out these new capabilities.
2018 年 11 月 6 日
New OptiFiber Pro High Dynamic Range Modules for Outside Plant and Passive Optical Networks
凭借全新的 Fluke Networks OptiFiber® Pro 高动态范围 (HDR) 光时域反射计，Versiv 成为满足从 FTTx、PON 和数据中心到类级结构化布线各种应用要求的单一解决方案。Since Versiv users report that its efficient and familiar interface cuts costs by 65% when testing, certifying and maintaining copper and fiber network installations, it’s clear why they’d want to apply the same savings to outside plant jobs as well.
2018 年 10 月 31 日
It’s That Time of Year Again – Beware of Ghosts and Dead Zones!
There’s a chill in the air, leaves are falling and it’s time for all things spooky. So we thought that in the spirit of Halloween, we would post this blog again that takes a look at two of the most confusing (and perhaps scariest) OTDR events--ghosts and dead zones.
2018 年 10 月 24 日
工业以太网怎么样？
以太网因其固有的可靠性、性能和互操作性而成为工厂内自动化和控制系统的首选通信协议。今年，工业以太网的市场份额已经全面超过传统的现场总线协议，而后者一般要求多个独立和专有的工厂布线。
2018 年 10 月 18 日
101 系列：What is an APC Connector and How Do I Test It?
The singlemode fiber connectors you likely encounter the most feature a blue connector body, but if you’re working with any passive optical networks (PONs), carrier networks or large cloud/colo or hyperscale data centers, you may encounter singlemode fiber connectors with a green connector body – and these green connectors are growing in popularity.
2018 年 10 月 11 日
