CT1304 LAN LAB Rehab AlFallaj. O BJECTIVES : To learn the difference between UTP and STP. To learn...
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Transcript of CT1304 LAN LAB Rehab AlFallaj. O BJECTIVES : To learn the difference between UTP and STP. To learn...
![Page 1: CT1304 LAN LAB Rehab AlFallaj. O BJECTIVES : To learn the difference between UTP and STP. To learn the categories of the UTP. To implement straight-through.](https://reader035.fdocuments.net/reader035/viewer/2022062516/56649da15503460f94a8ccd1/html5/thumbnails/1.jpg)
CT1304 LAN LABRehab AlFallaj
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OBJECTIVES:
To learn the difference between UTP and STP. To learn the categories of the UTP. To implement straight-through UTP. To implement Crossover UTP.
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TWISTED PAIR
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UNSHIELDED TWISTED PAIR (UTP)
The UTP has several categories. These categories define the quality level of the cable. The categories are:
Category 1: This is a common telephone cable.
Category 2: CAT2 cable was first networking UTP but is now considered obsolete. It supports data rate up to 1Mbps.
Category 3: CAT3 is seldom used outside an IBM environment and has been replaced by CAT5. CAT3 is used in 10Mbps Ethernet LANs and 4Mbps Token Ring LANs.
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UNSHIELDED TWISTED PAIR (UTP) Category 4: CAT4 has been specified for up to 20Mbps and is
specific for 16Mbps Token Ring LANs.
Category 5: CAT5 has been specified for data rates up to 100Mbps. This is the preferred cabling installation for Ethernet and Token Ring.
Category 6: CAT6 has been specified for data rates up to 1000Mbps (1 Gbps).
Category 7 : CAT7 has been specified for data rates up to 10 Gbps.
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UNSHIELDED TWISTED PAIR (UTP)
EIA/TIA-568A/B compliant refers to which of the four pairs in the UTP cable are designated as transmit, and which are designated as receive. Use the following as a guide:
EIA/TIA-568A: Devices transmit over pair 3, and receive over pair 2.
EIA/TIA-568B: Devices transmit over pair 2, and receive over pair 3.
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RJ-45 TERMINATION — EIA/TIA-568A
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RJ-45 TERMINATION — EIA/TIA-568B
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UTP IMPLEMENTATION: STRAIGHT-THROUGH
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UTP IMPLEMENTATION: CROSSOVER
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UTP IMPLEMENTATION: STRAIGHT-THROUGH
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UTP IMPLEMENTATION: STRAIGHT-THROUGH
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UTP IMPLEMENTATION: CROSSOVER
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UTP IMPLEMENTATION: CROSSOVER
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STRAIGHT-THROUGH VS. CROSSOVER
Use straight-through cables for the following cabling: Switch to Router. Switch to Server (PC). Hub to Server (PC).
Use crossover cables for the following cabling: Switch to Switch. Switch to Hub. Hub to Hub. Router to Router. PC to PC
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UNSHIELDED TWISTED PAIR (UTP)
UTP is susceptible to crosstalk. Shielding is used to reduce crosstalk.
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SHIELDED TWISTED PAIR (STP)
STP contains a metal shielding fully encircling the twisted pairs to reduce the ElectroMagnetic Interference (EMI).
EMI is produced by sources such as motors, generators, or power lines.
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SHIELDED TWISTED PAIR (STP)
The shielding may be either: A metal foil (called Foil Twisted Pair, or FTP). A fine mesh of braided metal (called Screened
Twisted Pair, or ScTP). STP using the foil shield is thinner, easier to
install, and cheaper. Advantages of STP over UTP:
STP is less susceptible to electrical interference. STP supports higher transmission rate over
longer distance than UTP.
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REGISTERED JACK – 45 (RJ-45)
Twisted-pair uses RJ-45 connector to connect a computer.
The RJ-45 is slightly larger than the RJ-11 telephone connector. In addition, RJ-45 houses eight cable connections, while the RJ-11 only houses four.
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REGISTERED JACK – 45 (RJ-45)
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CRIMPING TOOL
Cut Strip Crimp
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ADDITIONAL RESOURCES:
Crossover and Straight Through Cables http://
www.youtube.com/watch?v=whE147jUi_Y
Straight-through and Cross-over Cable theory http://
www.youtube.com/watch?v=65MxG6aGYzk
How to make CAT5 Ethernet Cable - Straight Through & Crossover
http://www.youtube.com/watch?v=Uw8FSXx4dnU