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Cable used in ethernet networks Fiber optic cabling and its main…
Cable used in ethernet networks Fiber optic cabling and its main advantages over other media
UTP
Use in Ethernet LAN
Eight wires are twisted into four color-coded pairs and then wrapped in the cable sheath
Colored wire pairs identify the correct connection on the terminal block
Unshielded Twisted-Pair Cable
UTP Cabling Standards
category 5 and 5e cable (UTP)
USED FOR DATA TRANSMISSION
CAT5 =SUPPORTRS 100MB/S AND CAN SUPPORT 1000MB/S
CAT5E=SUPPORTS 1000MB/S
category 6 cable (UTP)
USED FOR DATA TRANSMISSION SUPPORTS 1000MB/S-10 GB/S ,THOUGH 10 GB/S IS NOT RECOMMENDED
category 3 cable (UTP)
USED FOR VOICE AND MOST OFTEN USED FOR PHONE LINES
UTP Connectors
RJ-45 UTP Plugs
RJ-45 UTP Socket
Types of UTP Cable
Testing UTP Cables
Cable length
Signal loss due to attenuation Crosstalk
Wire map
Copper Media
Can conduct electrical signals well
Data is transmitted on copper cables, and the data is easily distorted due to external noise and signal attenuation
Shielded or twisted pair cable types are designed to minimize signal attenuation
Shielded Twisted-Pair Cable
Coaxial Cable
Fiber Media Cable Design
Core The core is actually the light transmission element at the center of the optical fiber.
Strengthening Material Surrounds the buffer, prevents the fiber cable from being stretched when it is being pulled..
jacket - typically a PVC jacket that protects the fiber against abrasion ,moisture and other
Cladding Made from slightly different chemicels than those used to create the core. It tends to act like a mirror by reflecting light back into the core of the fiber. This keeps light in the core as it travels down the fiber.
Buffer - used to help shield the core and cladding from damage
Types of Fiber Media
Single Mode
less dispersion
uses lasers as the light source
small core
Multimode
larger core than single mode cable
uses LEDs as the ligth source
allows greater dispersion and therefore ,loss of signal
Fiber Optic Connectors
Common Fiber Patch Cords
Fiber versus Copper
