>Twisted-Pair
Wire (dial-up connections)
-2
strands of insulated copper wire twisted around each other
-Twisting
reduces interference (crosstalk) from electrical signals
-Data
rates are 1 – 128 megabits per second
(slow)
>Coaxial
Cable
-Insulated
copper wire wrapped in a metal shield and then in an external plastic cover
-Used
for cable TV and cable Internet electric signals
-Carries
voice and data up to 200 megabits per second
Wired
connections media for the home :
•Ethernet
•Connect
to PC’s Ethernet network interface card (NIC)
•For
several PCs, get a switch to connect them all
•10 or
100 megabits per second
•HomePNA
•Uses
existing telephone wiring and jacks
•Requires
HomePNA NIC in your PC
•Speeds
of about 320 megabits per second
•Homeplug
•Uses
existing home electrical lines
