CMR or CMP Rated Network Cable?

CMR or CMP Rated Network Cable?

These two acronyms are confusing as the “C” and the “M” do not indicate separate words, but are an abbreviation for “CoMmunication”:

  • CMR = Communications Riser
  • CMP = Communications Plenum
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T568-A vs. T568-B

T568-A vs. T568-B

TIA-568 is a wiring standard for network cabling and is usually associated with patch cords, but it applies to "structured cabling" generally.
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Fiber Connectors and Polish Types

Fiber Connectors and Polish Types

Fiber patch cords are not as straight forward as their copper counterparts, there are multiple connector types to consider when building and maintaining a physical network. In this article we are going to describe the commonly found fiber connector types and “polish” types.
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What are Shielded Network Cables?

What are Shielded Network Cables?

These are the six shielded network cable construction types that you will encounter:
  • F/UTP
  • S/UTP
  • SF/UTP
  • S/FTP
  • F/FTP
  • U/FTP
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Cat5e vs. Cat6 vs. Cat6a

Cat5e vs. Cat6 vs. Cat6a

There are a lot of articles on the Internet about the differences between Cat5e and Cat6 cables and their standards, there are many differences of opinion about where and when you have to use the two cable types. One common misconception is that Cat5e patch cables are not able to run at Gigabit speeds, and Cat6 is required. This is not the case, and most modern Cat5e cables are perfectly capable of running at Gigabit speeds, you will see printed on the outer jacket of the cable that the cable is certified for Gigabit networking.
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What is Crosstalk?

What is Crosstalk?

Crosstalk is a complicated subject to grasp, especially where the "Near" and "Far" ends are. In reality both end of the cable are both! They are only reference points to demonstrate where the signal is originating from for the purpose of the test… The first diagram in this article shows exactly what happens, and how the "concept" of what is the Near and Far ends depending on which end the signal originates from.
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