<s>
Networking	B-Protocol
cables	I-Protocol
are	O
networking	B-Device
hardware	I-Device
used	O
to	O
connect	O
one	O
network	B-Device
device	I-Device
to	O
other	O
network	B-Device
devices	I-Device
or	O
to	O
connect	O
two	O
or	O
more	O
computers	O
to	O
share	O
devices	O
such	O
as	O
printers	O
or	O
scanners	B-Application
.	O
</s>
<s>
Different	O
types	O
of	O
network	B-Protocol
cables	I-Protocol
,	O
such	O
as	O
coaxial	O
cable	O
,	O
optical	O
fiber	O
cable	O
,	O
and	O
twisted	O
pair	O
cables	O
,	O
are	O
used	O
depending	O
on	O
the	O
network	B-Architecture
's	O
topology	B-Architecture
,	O
protocol	O
,	O
and	O
size	O
.	O
</s>
<s>
While	O
wireless	B-General_Concept
networks	I-General_Concept
are	O
more	O
easily	O
deployed	O
when	O
total	O
throughput	O
is	O
not	O
an	O
issue	O
,	O
most	O
permanent	O
larger	O
computer	B-Architecture
networks	I-Architecture
utilize	O
cables	O
to	O
transfer	O
signals	O
from	O
one	O
point	O
to	O
another	O
.	O
</s>
<s>
There	O
are	O
several	O
technologies	O
used	O
for	O
network	B-Architecture
connections	O
.	O
</s>
<s>
Patch	B-Device
cables	I-Device
are	O
used	O
for	O
short	O
distances	O
in	O
offices	O
and	O
wiring	O
closets	O
.	O
</s>
<s>
In	O
some	O
home	O
and	O
industrial	O
applications	O
power	O
lines	O
are	O
used	O
as	O
network	B-Architecture
cabling	O
.	O
</s>
<s>
Twisted	O
pair	O
cabling	O
is	O
used	O
in	O
short	O
patch	B-Device
cables	I-Device
and	O
in	O
the	O
longer	O
runs	O
in	O
structured	O
cabling	O
.	O
</s>
<s>
An	O
Ethernet	B-Protocol
crossover	I-Protocol
cable	I-Protocol
is	O
a	O
type	O
of	O
twisted	O
pair	O
Ethernet	B-Protocol
cable	I-Protocol
used	O
to	O
connect	O
computing	O
devices	O
together	O
directly	O
that	O
would	O
normally	O
be	O
connected	O
via	O
a	O
network	B-Protocol
switch	I-Protocol
,	O
Ethernet	B-Protocol
hub	I-Protocol
or	O
router	B-Protocol
,	O
such	O
as	O
directly	O
connecting	O
two	O
personal	B-Device
computers	I-Device
via	O
their	O
network	B-Architecture
adapters	O
.	O
</s>
<s>
There	O
are	O
two	O
major	O
types	O
of	O
optical	O
fiber	O
cables	O
:	O
shorter-range	O
multi-mode	B-Device
fiber	I-Device
and	O
long-range	O
single-mode	B-Device
fiber	I-Device
.	O
</s>
<s>
Early	O
Ethernet	O
,	O
10BASE5	O
and	O
10BASE2	O
,	O
used	O
baseband	B-Algorithm
signaling	I-Algorithm
over	O
coaxial	O
cables	O
.	O
</s>
<s>
Although	O
in	O
most	O
homes	O
coaxial	O
cables	O
have	O
been	O
installed	O
for	O
transmission	O
of	O
TV	B-Operating_System
signals	O
,	O
new	O
technologies	O
(	O
such	O
as	O
the	O
ITU-T	B-General_Concept
G.hn	I-General_Concept
standard	O
)	O
open	O
the	O
possibility	O
of	O
using	O
home	O
coaxial	O
cable	O
for	O
high-speed	O
home	O
networking	O
applications	O
(	O
Ethernet	B-Protocol
over	I-Protocol
coax	I-Protocol
)	O
.	O
</s>
<s>
A	O
patch	B-Device
cable	I-Device
is	O
an	O
electrical	O
or	O
optical	O
cable	O
used	O
to	O
connect	O
one	O
electronic	O
or	O
optical	O
device	O
to	O
another	O
for	O
signal	O
routing	O
.	O
</s>
<s>
a	O
switch	O
connected	O
to	O
a	O
computer	O
,	O
or	O
a	O
switch	O
connected	O
to	O
a	O
router	B-Protocol
)	O
are	O
connected	O
with	O
patch	B-Device
cables	I-Device
.	O
</s>
<s>
Patch	B-Device
cables	I-Device
are	O
usually	O
produced	O
in	O
many	O
different	O
colors	O
so	O
as	O
to	O
be	O
easily	O
distinguishable	O
,	O
and	O
most	O
are	O
relatively	O
short	O
,	O
no	O
longer	O
than	O
a	O
few	O
meters	O
.	O
</s>
<s>
In	O
contrast	O
to	O
structured	O
cabling	O
,	O
patch	B-Device
cables	I-Device
are	O
more	O
flexible	O
.	O
</s>
<s>
Although	O
power	O
wires	O
are	O
not	O
designed	O
for	O
networking	O
applications	O
,	O
power	B-Device
line	I-Device
communication	I-Device
(	O
PLC	O
)	O
allows	O
these	O
wires	O
to	O
also	O
be	O
used	O
to	O
interconnect	O
home	O
computers	O
,	O
peripherals	O
or	O
other	O
networked	O
consumer	O
products	O
.	O
</s>
<s>
In	O
December	O
2008	O
,	O
the	O
ITU-T	O
adopted	O
Recommendation	O
G.hn/G.9960	O
as	O
the	O
first	O
worldwide	O
standard	O
for	O
high-speed	O
powerline	B-Device
communications	I-Device
.	O
</s>
<s>
G.hn	B-General_Concept
also	O
specifies	O
techniques	O
for	O
communications	O
over	O
the	O
existing	O
category	B-Protocol
3	I-Protocol
cable	I-Protocol
used	O
by	O
phones	O
and	O
coaxial	O
cable	O
used	O
by	O
cable	O
television	O
in	O
the	O
home	O
.	O
</s>
