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UTP, STP, FTP и S/FTP кабли, која е разликата?

UTP, STP, FTP & S/FTP Cables, What's The Difference?

When it comes to network cable systems, you need to choose the appropriate Ethernet cable from the range of different products. One of the critical points is the level of protection, such as UTP, STP, FTP, S\FTP, etc. We'll look at each of their differences and how you can tell them apart.

What is a UTP Cable?

UTP stands for unshielded twisted pair. It is the most common and basic type of twisted pair cable. UTP cables contain twisted pairs of wires that help prevent and reduce electromagnetic interference. Since UTP cables have no shielding, it provides many advantages such as lower cost, easy installation and maintenance. As a result, it is a popular choice for small and medium-sized network installations.

 

 

 

 

 

 

 

 

 

What is a FTP cable?

FTP stands for Foil Twisted Pair. Each FTP cable is covered with an overall foil around the assembly to protect against electromagnetic interference and breakage. Sometimes, FTP is also called F/UTP.

In comparison with UTP, FTP cables have a larger range and are more resistant to interference, but costs more and has smaller elasticity.

What is an STP cable?

STP stands for shielded twisted pair. Unlike UTP cables, STP cables are covered with an armor or screening material consisting of a foil sheath or copper braid.

Unlike UTP, STP requires grounding. STP requires significantly more maintenance than UTP, making it more expensive. The STP metal shield provides enhanced protection against electromagnetic interference. More importantly, it offers better performance in application scenarios subject to external interference. Hence, STP cable is widely used in high-bandwidth networks such as radio stations and airports.

Although it has the above advantages, STP cable also has disadvantages, such as greater complexity in installation & maintenance and higher cost.

What is an S/FTP Cable?

S/FTP cable means shielded foil twisted pair. It is a double shielded twisted pair cable, with an additional layer of braided mesh on top of the STP. A braided mesh of aluminum-magnesium wire is most often used. However, tinned copper wire is also used, making it resistant to interference and very reliable for professional cabling projects.

 

 

Detailed Comparison

We know the difference between different Ethernet cables. Now let's make a detailed comparison on these 4 types of cables.

 

Comparison

UTP FTP STP S/FTP

Name

Unshielded Twisted Pair Shielded Twisted Pair Shielded Twisted Pair

Shieled Foil Twisted Pair

Cable Casing

None Foil Braid

Braid

Casing on Twisted Pair 

None None None

Foil

Electromagnetic Interference From Other Electrical Sources

High Low Low

Low

Termination and Installation

Easier to terminate and saves times Hard and timely Hard, takes considerable time to install

Hard, longest installation period

Bounding and Grounding

Not neccesary Neccesary Neccesary

Neccesary

Data Stream

Low High High

High

Application

Home Network For networks with big distance For networks with big distance

For networks with huge distances

Costs & Maintenance Cheaper and requires little maintenance Considerably expensive Considerably expensive

Very Expensive

FAQs

1. Are STP Cables Better Than UTP?

In terms of performance, STP is better. Because STP has an additional mesh shield, which protects the cable from electromagnetic interference and eliminates crosstalk, the additional shielding also allows STP to deliver higher data rates than UTP. Therefore, STP is often used in cross-sensitive data transmission networks, for example, networks that can significantly affect data transmission.

However, the additional protection of STP increases the cost and difficulty of installation. UTP is more cost-effective and easier to install and maintain because it has no shielding. UTP cable is a better choice for general home and business networks.

2. How Do You Ground The STP Cable?

The aggregation side (network equipment) of the STP cable should be grounded. It is important to note that grounding must only be done at one end of the cable, not both. If you are terminating the cables with patch panels, the optimal application would be to attach the cable bases to the patch and occupy the panel itself. There are special panels for this purpose.

3. Common Problems When Installing UTP?

External electromagnetic interference is the most typical difficulty for UTP cable. In general, interference is more common with older types of UTP cables (eg Category 3 or 5) than newer versions such as Cat5e (Category 5e) or Cat6 (Category 6).

4. Do All UTP Cables Support PoE?

No. It is mainly based on other cable types – only Cat5 or higher grade cable has PoE (Power of Ethernet) support.

 

After familiarizing yourself with the basic types of cables, we believe you already have an idea of which type is needed for your business. Therefore, let a team of professionals be your key to an optimal and efficient network. Contact Us today to receive an offer for our services, from networking to maintaining your infrastructure.

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