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TousTips 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…

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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…

Lire la suite

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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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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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…

Lire la suite

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…

Lire la suite

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.

Lire la suite

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…

Lire la suite

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…

Lire la suite

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…

Lire la suite

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…

Lire la suite

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…

Lire la suite

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…

Lire la suite

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…

Lire la suite