PreSonus Worx Control handleiding
Handleiding
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4
2 Networking Your Loudspeaker
2.2 Choosing the Right Cables
Worx Control
Software Reference Manual
2.2.2 Shielded vs. Unshielded
Conductor
Insulation
Pair shield
Sheath
Shielded Twisted Pair (STP)
Unshielded Twisted Pair (UTP)
Conductor
Insulation
Sheath
Conductor
Insulation
Pair shield
Cable shield
Sheath
Shielded and Foiled Twisted Pair (STP)
Foiled Unshielded Twisted Pair (UTP)
Conductor
Insulation
Sheath
Cable shield
Whether you use CAT5e or CAT6 cable, you will have the option to use Shielded or
Unshielded cable. Both cable types can be used for Dante and control networking
and have advantages, depending on the type of installation you are designing.
Shielded twisted-pair (STP) cables provide a barrier to help interference, especially
electromagnetic interference (EMI). STP cable is constructed with additional
electrical shielding along the length of the cable as well as specially constructed
plugs that electrically connect and properly ground the cable shielding to the device
connected at each end. Originally developed for industrial applications, shielded
cable is ideal for fixed installations where Ethernet cable must be run near power,
fluorescent lighting, etc.
Like a balanced analog cable, STP cables have to be grounded, so you’ll need to use
STP-compatible RJ45 connectors. Most XLR-style locking Ethernet connections you
will find used on Pro Audio equipment, like the CDL-series loudspeakers and PDA-
series amplifiers, are designed to be able to support both shielded and unshielded
cable connections.
There are some specific use cases which might call for shielded Ethernet cable to
prevent electromagnetic interference (EMI) or radio-frequency interference (RFI)
from affecting the performance of the cable. It should be noted that if shielded
cable is used but not implemented properly, it can actually introduce problems and
actually make things worse than using unshielded cable would have been to begin
with. As with everything in audio, if you are not experienced in installation or design,
it’s well worth the investment to consult a professional who is.
There are several different acronyms commonly used to describe shielded cables
where the twisted pairs are not themselves individually shielded. These cable types
rely on an overall shield or screen to filter out external noise. And while you may find
them used synonymously, there are important differences to note:
• SF/UTP. This cable features a braided screen (S) and a foil shield (F) that
surrounds unshielded twisted pairs (UTP). Cables with an overall braided screen
are great for applications that need extra protection from EMI.
• S/UTP. This cable features a braided screen (S)surrounding unshielded
twisted pairs (UTP).
• F/UTP (FTP). This cable uses an overall foil shield (F) to protect the unshielded
twisted pairs (UTP) and is essentially very similar to a simple UTP cable, offering
very little protection.
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Productinformatie
| Merk | PreSonus |
| Model | Worx Control |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 4962 MB |
