homeapartmentpencilmagic-wanddroplighterpoopsunmooncloudcloud-uploadcloud-downloadcloud-synccloud-checkdatabaselockcogtrashdiceheartstarstar-halfstar-emptyflagenvelopepaperclipinboxeyeprinterfile-emptyfile-addenterexitgraduation-hatlicensemusic-notefilm-playcamera-videocamerapicturebookbookmarkuserusersshirtstorecarttagphone-handsetphonepushpinmap-markermaplocationcalendar-fullkeyboardspell-checkscreensmartphonetabletlaptoplaptop-phonepower-switchbubbleheart-pulseconstructionpie-chartchart-barsgiftdiamondlineariconsdinnercoffee-cupleafpawrocketbriefcasebuscartrainbicyclewheelchairselectearthsmilesadneutralmustachealarmbullhornvolume-highvolume-mediumvolume-lowvolumemichourglassundoredosynchistoryclockdownloaduploadenter-downexit-upbugcodelinkunlinkthumbs-upthumbs-downmagnifiercrossmenulistchevron-upchevron-downchevron-leftchevron-rightarrow-uparrow-downarrow-leftarrow-rightmovewarningquestion-circlemenu-circlecheckmark-circlecross-circleplus-circlecircle-minusarrow-up-circlearrow-down-circlearrow-left-circlearrow-right-circlechevron-up-circlechevron-down-circlechevron-left-circlechevron-right-circlecropframe-expandframe-contractlayersfunneltext-formattext-format-removetext-sizebolditalicunderlinestrikethroughhighlighttext-align-lefttext-align-centertext-align-righttext-align-justifyline-spacingindent-increaseindent-decreasepilcrowdirection-ltrdirection-rtlpage-breaksort-alpha-ascsort-amount-aschandpointer-uppointer-rightpointer-downpointer-left
AllTips and TricksStandardsFAQQuickly ExplainedTestingWorth knowing

Fiber To The Office (FTTO)

Standards FTTO

Optical fibers allow higher data rates and longer link lenghts than copper cables. Fiber optic cabling that runs up to the workplace is recognized by…

Read more

Fiber To The Office (FTTO)

Fiber optic cabling up to the workspace offers high data rates and long link lengths. In many projects floor distributors can be omitted. Terminal…

Read more

DTE and DCE

DCE-DTE standard connection

The terms “DTE” and “DCE” come from the very beginning of IT networks but they are still present today. Read on to find out what the terms stand for.

Read more

DC Loop Resistance

Messgerät für den Schleifenwiderstand

DC loop resistance is the resistance of a wire pair. It is one of several parameters which are important for remotely powering devices via Power over…

Read more

Delay Skew

Cabel

The wires of the four pairs in a data cable have different twists which results in different overall lengths. Because of this, the signals travelling…

Read more

White paper "End-to-end links"

Whitepaper End-to-End-Links

Wherever telecommunication outlets and patch cords are unwanted for security or aesthetic reasons or where there is simply not enough room for them,…

Read more

Fiber optic cable code

FO cables

A/I-DQ(ZN)BH 12G50/125, I-VHH 2E9/125 – you can find such and similar codes printed on the jacket of fiber optic cables. Read on to find out what the…

Read more

Propagation Delay

Propagation Delay

Propagation delay is a measure how long a signal takes to travel from one end to another. This is important because the IEEE 802.3 standard specifies…

Read more

Length

Länge

Legth testing of a link serves two purposes: To make sure the length of the cable does not exceed the limits specified by the standards and to use the…

Read more

Fiber optic connector grades

fiber optic connectors

Good fiber optic connectors have low attenuation and high return loss. But what exactly is “good“? IEC 61753-1 specifies performance grades for fiber…

Read more

Wire map (continued)

wire manager

Half of the eight wires in a cable have a white insulation. Happens from time to time that wires are swapped. This issue and the following ones will…

Read more

Wire Map

Wire Manager

The wire map test checks whether all wires of a cable are connected properly on both ends of the cable and whether there is a short or an open. The…

Read more

Important global standards

Global standard

The last issue of this column provided and overview on important European standards for IT cabling. This issue focuses on global standards.

Read more

Important european standards

Standards

With a nearly countless amount of standards available, it is not always easy to keep things in perspective. Please find an overview of important…

Read more

Cable jacket materials

Cable reel

Twisted-pair, coax and fiber optic cables are used in many different applications, which makes different jacket materials necessary. Among the most…

Read more

Fiber To The Office (FTTO)

Standards FTTO

Optical fibers allow higher data rates and longer link lenghts than copper cables. Fiber optic cabling that runs up to the workplace is recognized by…

Read more

Fiber To The Office (FTTO)

Fiber optic cabling up to the workspace offers high data rates and long link lengths. In many projects floor distributors can be omitted. Terminal…

Read more

DTE and DCE

DCE-DTE standard connection

The terms “DTE” and “DCE” come from the very beginning of IT networks but they are still present today. Read on to find out what the terms stand for.

Read more

Fiber optic cable code

FO cables

A/I-DQ(ZN)BH 12G50/125, I-VHH 2E9/125 – you can find such and similar codes printed on the jacket of fiber optic cables. Read on to find out what the…

Read more

Fiber optic connector grades

fiber optic connectors

Good fiber optic connectors have low attenuation and high return loss. But what exactly is “good“? IEC 61753-1 specifies performance grades for fiber…

Read more

DC Loop Resistance

Messgerät für den Schleifenwiderstand

DC loop resistance is the resistance of a wire pair. It is one of several parameters which are important for remotely powering devices via Power over…

Read more

Delay Skew

Cabel

The wires of the four pairs in a data cable have different twists which results in different overall lengths. Because of this, the signals travelling…

Read more

Propagation Delay

Propagation Delay

Propagation delay is a measure how long a signal takes to travel from one end to another. This is important because the IEEE 802.3 standard specifies…

Read more

Length

Länge

Legth testing of a link serves two purposes: To make sure the length of the cable does not exceed the limits specified by the standards and to use the…

Read more

Wire map (continued)

wire manager

Half of the eight wires in a cable have a white insulation. Happens from time to time that wires are swapped. This issue and the following ones will…

Read more

White paper "End-to-end links"

Whitepaper End-to-End-Links

Wherever telecommunication outlets and patch cords are unwanted for security or aesthetic reasons or where there is simply not enough room for them,…

Read more