Understanding the Difference Between Various Types of 6A Cables

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Understanding the Difference Between Various
Types of 6A Cables
Category 6A cables, generally referred to as CAT
6A are becoming increasingly popular among
users because of their transmission speed
which is much better than previous versions like
CAT 5e, CAT 6, and others. The transmission speed
of these cables can go up to 10Gbps and
therefore becoming first choice for users
of VoIP, CCTV, and other data networks. The
data transfer is facilitated at the frequency
of 500Mhz. All categories under it are
called CAT 6A under a broad umbrella but
it can be divided into various types
depending on various characteristics. There
are basically two primary types of CAT 6A
cables namely - F/UTP and U/UTP. The terms FTP
and UTP are to facilitate differentiation
between shielded and unshielded cable.
According to the ISO/IEC standards, the
first letter indicates the type of overall
shield while the latter points to the type of
shielding on each pair and the balanced element.
This, by far, can be stated to be the easiest way
to differentiate between CAT 6A cables. Lets
have a look at the different type of combinations
that are possible based on this
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CAT 6A U/UTP In a CAT 6A U/UTP cable, each
pair is individually shielded with a metal foil.
The cross talk between pairs is controlled by
individual foil shields so there can be long lays
as compared to CAT6A F/UTP. The long lays
between the pairs is easy to untwist and
therefore shortens the termination time. The
lower DC resistance in these cables provides
better PoE support. The features of this
cable increase the outer diameter of the
cable. CAT6A F/UTP In a CAT6A F/UTP cable,
the unshielded pairs are overall shielded with
a metal foil. The foil shield keeps
electrical noise from interfering with the
cable. In these types of cables, the
crosstalk between the pairs is controlled by the
lay-length of the connection. Due to this
mechanism, higher frequencies twist the pairs in
small gaps with each pair having a varied
lay. The cable also improves heat
dissipation which minimizes temperature
increase is PoE energized bundled
cables. S/FTP A cable with twisted pair, it has
four individually shielded pairs with an outer
screen braid around all its pairs. This cable is
considered from the Category 7 but sometimes is
counted to be a part of CAT 6A cables.
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Conclusion Though there can be other
differentiations on different basis, the standard
distinction is done on this basis only.
If you are using CAT6A cables for any
installation, you must use a compatible
shielded connector with shielded cables and
similarly an unshielded cable for unshielded
connectors. And to choose between shielded and
unshielded cables, you need to consider
your requirements along with the
consideration of how cost-effective it turns
out to be.

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