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AllTips and TricksStandardsFAQQuickly ExplainedTestingWorth knowing

Insertion Loss

Measurement

Insertion loss is a measure of the loss of signal strength along the link. Read on to find out more.

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White paper “Industry 4.0“

Industry 4.0

Industry 4.0, Smart Factory, the Internet of Things, Internet of Everything – there is no shortage of buzzwords when it comes to the concept for…

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Impedance

Impedance measure

Impedance is the AC resistance of the link. Unlike DC resistance, impedance is a frequency-dependant parameter. Read on to find out more.

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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…

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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.

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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…

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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…

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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,…

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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…

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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…

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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…

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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…

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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…

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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…

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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.

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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…

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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…

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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

Insertion Loss

Measurement

Insertion loss is a measure of the loss of signal strength along the link. Read on to find out more.

Read more

Impedance

Impedance measure

Impedance is the AC resistance of the link. Unlike DC resistance, impedance is a frequency-dependant parameter. Read on to find out more.

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

White paper “Industry 4.0“

Industry 4.0

Industry 4.0, Smart Factory, the Internet of Things, Internet of Everything – there is no shortage of buzzwords when it comes to the concept for…

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