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What are some of limitation of twisted pair wires?
twisted pair wire is limited in distance, bandwidth, and data rate.
What cable generally contains eight wires with either four or eight wires being used to transmit data?
Any category twisted pair cable uses 8 wires for transmitting and receiving data. However, only 4 of the 8 wires are actually used for data transmission.
Can copper wires carry digital information?
Yes, this is done all the time. Category 5, category 5e, and category 6 are the most common copper cables used at this time. They are basically advanced versions of the original phone cable. Coax cable is another type of copper cable used to carry digital information. It is the cable the satellite dish and cable companies use and the most common type is RG-6. This cable is capable of faster data transfer speeds than the phone type cables.
How many wires are there in a USB cable?
a usb cable has four wires, two for power and two for communication.
How many wires are used to carry data from a parallel port?
Galley
What is the advantages and disadvantages of twisted pair copper?
Shielded twisted pair wires are less susceptible to electrical interference caused by nearby equipment or wires and, in turn, are less likely to cause interference themselves. Because it is electrically "cleaner," shielded twisted pair wire can carry data at a faster speed. The disadvantage of shielded twisted pair wire is that it is physically larger and more expensive than twisted pair wire, and it is more difficult to connect to a terminating block.
Why twisted pair of wires is used in instrumentation?
Because, from total 8 wires 4 wires are used for actual data transmission ( i e for bit transmission ) and remaining four wires are wounded to these wires to avoid crosstalk and radio frequency interference (RFI).
What is the difference between a modem and a codec?
* Codec is for coding analog data into digital form and decoding it back. The digital data coded by Codec are samples of analog waves. * Modem is for modulating digital data into analog form and demodulating it back. The analog symbols carry digital data.
Do All wires in a phone cable get used?
It depends on the type of wire and what it's being used for. The two most common types of phone wire, also called twisted pair cable are Cat3 and Cat5 Cat3 contains two twisted pairs (4 wires) most often coloured: Green twisted with Red Yellow twisted with Black OR White/Blue twisted with solid Blue White/Orange twisted with solid Orange Cat5 contains four twister pairs (8 wires) most often coloured: White/Blue twisted with solid Blue White/Orange twisted with solid Orange White/Green twisted with solid Green White/Brown twisted with solid Brown Cat3 can carry 2 separate phone lines and Cat5 can carry up to 4, but can also be used to carry data. A standard phone wire carrying 1 phone line will only use the primary pair being Green/Red or the White/Blue combination. A phone capable of using two lines with a single wire may employ both pairs, the second being the Yellow/Black or White/Orange combination. There is a polarity to the wires as well, known as Tip and Ring. If you find two types of wiring or using different colours, use the following to properly pair them. Tip Ring ----------------------------------- Green Red Yellow Black White/Stripe Solid If you're going to be splicing these wires, its adviced to have no more than 3-4 wires twisted together at a time and properly capped, not just taped up with electrical tape, as it will not hold the wires together securely. As well, some terminal blocks and wallplates use screw down terminals, do not put more than 2 wires on a single terminal as the wires tend to break easily.
Is copper capable of transitting both digital and analog data?
Of course. Copper can just as well carry music from your stereo to the speakers, or digital data from your laptop to the printer.
What are the advantages of ordinary twisted pair compared to the shielded ones?
Twisted pair wire is placed inside a thin metallic shielding, similar to aluminum foil, and is then enclosed in an outer plastic casing. The shielding provides further electrical isolation of the signal-carrying pair of wires. Shielded twisted pair wires are less susceptible to electrical interference caused by nearby equipment or wires and, in turn, are less likely to cause interference themselves. Because it is electrically "cleaner," shielded twisted pair wire can carry data at a faster speed than unshielded twisted pair wire can. The disadvantage of shielded twisted pair wire is that it is physically larger and more expensive than twisted pair wire, and it is more difficult to connect to a terminating block.
How many wires required to carry a 100 base Ethernet signal?
A 100BASE-T Ethernet signal, which operates at 100 Mbps, requires four wires in a twisted pair configuration. Specifically, it uses two pairs of wires (one pair for transmitting data and one pair for receiving). This setup is commonly implemented using Category 5 (Cat 5) cabling.
