by jj2739

Bookmark and Share

Front Back
IEEE 802
LAN Standards for data communications
Installation and termination of telephony and network cables

Meets NEC specifications
European regulation
Transmission medium
The actual physical path or channel that data follows from the transmitter to the receiver

Copper cables is the oldest and cheapest
Optical fiber is for high speed applications
Coax Cable
Center wire surrounded by insulation and grounded shield of braided wire which form an electromagnetic field

Shield minimizes electrical and radio frequency interference

Two types: Thick coax (10Base5)
Thin coax (10Base2)
• Uses baseband transmission • 10 Mbps maximum data transfer speed • 500 meters maximum cable length • Rigid solid inner conductor • Known as thick Ethernet, thicknet, or thick coax
• Thinner cable, more flexible stranded inner conductor • Known as thin Ethernet or thinnet • Operates at 10 Mbps • Uses baseband transmission • 200 meters maximum cable length • Connect with BNC connectors
UTP: Unshielded Twisted Pair
• Copper media inherited from the telephony that is being used for increasingly higher data rates • Pair of copper wires twisted together and protected by a thin jacket • Can be made with a variety of materials, sizes of conductors, and numbers of pairs inside a single cable – Solid filament cables are more rigid and usually intended for trunk cabling. – Stranded filament cables are more pliable generally targeted for patch cables.
x of y cards