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TousTips and TricksNormesFAQQuickly ExplainedTestingWorth knowing

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 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

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

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…

Lire la suite