How to strip Cat.7 S/FTP PiMF Ethernet Cable

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Última atualização em July 20, 2024

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Cat.7 S/FTP PiMF cables are high-performance copper cables used in local area networks (LANs) to support high-speed data transfer rates and are designed to operate at frequencies of up to 600 MHz, which is more than double the frequency range of Cat.6A cables. This makes them ideal for use in data centers, server rooms, and other high-bandwidth applications.

Cat.7 is a standard for Ethernet cables, defined by both the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). However, it is not a TIA standard.

The "7" in Cat.7 indicates that the cable is designed to support data transfer rates of up to 10 Gbps over a maximum distance of 100 meters. The "S/FTP" in Cat.7 S/FTP PiMF stands for "screened foiled twisted pair," which means that the cable has a shielded design to minimize electromagnetic interference.

The "PiMF" in Cat.7 S/FTP PiMF refers to "pairs in metal foil," which means that each pair of wires in the cable is wrapped in a metal foil shield to further minimize interference. This type of shielding is also known as individual shielding.

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Passo 1 Clean up the ends

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Clean up the ends: passo 1, imagem 1 %32

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Clean up the ends: passo 1, imagem 2 %32

Use wire cutters to make a clean cut on the end of the cable you want to strip.

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Passo 2 Strip the mantle

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Strip the mantle: passo 2, imagem 1 %32

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Strip the mantle: passo 2, imagem 2 %32

Grip the cable with a stripping tool for communication cables and twist it to cut the mantle.
Pull off the mantle.
It depends on what you want to do with the wire, but usually stripping off about 5cm is a pretty good starting point.

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Passo 3 Pull back the braided shield

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How to strip Cat.7 S/FTP PiMF Ethernet Cable, Pull back the braided shield: passo 3, imagem 2 %32

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Pull back the braided shield: passo 3, imagem 3 %32

Pull back the grounding mesh and twist it around the first cm of still insulated cable.
You can leave the excess, but if you want to cut it, make sure to leave at least about 1cm.

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Passo 4 Spread the twisted pairs

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Spread out the twisted pairs to make them easier to work with.

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Passo 5 Remove the shielding

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Remove the shielding: passo 5, imagem 1 %32

How to strip Cat.7 S/FTP PiMF Ethernet Cable, Remove the shielding: passo 5, imagem 2 %32

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Unwrap the shielding a bit and nick it at the base with some electronics side cutters.
If you will wire this cable in a terminal block instead of a Keystone or crimping on a connector, you should just remove the minimum amount of shielding needed to properly punch down the connection.
Make sure to not damage the delicate insulation of the individual wires.
Rip off the shielding.
Repeat for all four twisted pairs.

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Passo 6 Strip the wire (optional)

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How to strip Cat.7 S/FTP PiMF Ethernet Cable, Strip the wire (optional): passo 6, imagem 3 %32

Stripping the wire itself is optional, depending on what you want to do with it. P. ex. if you are going to punch it down into an LSA Plus block, you don't need to strip the wire.
Grip the wire with the 0.3 mm notch and pull off the insulation or use automatic wire strippers.
Stripping off 1cm is usually enough.