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LANshack May 2013 Newsletter

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  Dealing with Interference is Key as Performance Needs Rise 

Electromagnetic interference is the silent contributor to major performance problems in the network. Most interference problems will not show up through casual observation. They also will rarely be apparent through casual bandwidth assessments. Instead, organizations hoping to understand how interference is impacting the network have to physically assess the cabling setup, which may mean tearing open walls or exposing wires that are normally kept neatly in routing trays. In many cases, the best way to deal with interference is to avoid it in the first place.
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Comments on this article : I can attest to this from my experience. I remember one case in particular in a data center. At the time 10Base-T was the norm. They were having intermittent trouble with several horizontal cable runs that were all going back to the same data rack. I scanned the cables and the scans all passed showing no trouble at all. I was tempted to go back to the Network Administrator and tell him to look at possibilities other than cabling. But then I decided to take a look under the computer floor. ...... Read More

 

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How-To Videos

 Tech Tips by Tony 

Tech Tip Preparing Various Types of Cables for Pulling
Tech Tip Preparing Various Types of Cables for Pulling

Did you ever have to pull a bunch of Terminated Cat 6 cables or fiber patch cables across a ceiling? That could be quite a mess, and may even damage the cables if you don't know the proper technique. Tony will show you this simple but "tried and true" method that really works. Knowing this technique can save you loads of time, money and aggravation.

 

 

LANshack Tech Tip Channel - click here to see all of LANshack's tech tip videos  

 
Industry News
wired rack

10 Gbps Ethernet becoming a new norm 

Ethernet demands have risen so quickly in the data center that many companies find themselves needing to invest in 10 Gbps network systems. A recent whitepaper from Broadcom and HP said striving for 10 Gbps Ethernet functionalityhas become a need in many settings and a reachable goal for a wide range of organizations.  READ MORE>>

 
Ask the Expert
QUESTION:

 

What is Plenum Cable and why is it so expensive? 

 

ANSWER:  

 

 The simple answer is that plenum cable has a fire retardant outer jacket and is engineered to meet fire safety standards as dictated by the NFPA (National Fire Protection Association) and also local and National electrical, building and fire safety codes. Most large commercial buildings utilize the dropped ceiling to return the conditioned air back to the air handler unit thereby making that ceiling a "return air plenum". The codes say that all material which enters that space will meet the required fire safety standards set out for plenum spaces by the NFPA. Plenum rated cable is more expensive because of the cost of the raw materials used to make it are high. Plenum spaces can also be found in other areas (like most raised computer floors for instance), and sometimes can be found in some residential and other types of structures. Since this matter deals with fire safety, we strongly encourage you to check with your local building, electrical and fire code officials before planning an installation.

 
Sale Items
Terminator Plus II - IT-Tech Network Toolkit by QuickTreX®
  QuickTreX Electro-Tech toolkits are designed for real world professional electricians, electronic technicians, premise network and low voltage and cabling installers. Check it out >>

Fenix Flashlights and rechargeable battery 
BLOW OUT SALE!
 
 

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