<s>
Long	B-Protocol
Reach	I-Protocol
Ethernet	I-Protocol
(	O
LRE	B-Protocol
)	O
was	O
a	O
proprietary	O
networking	O
protocol	O
marketed	O
by	O
Cisco	O
Systems	O
,	O
intended	O
to	O
support	O
multi-megabit	O
(	O
5	O
to	O
15	O
Mbit/s	O
)	O
performance	O
over	O
telephone-grade	O
unshielded	O
twisted	O
pair	O
wiring	O
over	O
distances	O
up	O
to	O
5,000	O
feet	O
(	O
1.5km	O
)	O
.	O
</s>
<s>
Supporting	O
such	O
distance	O
ranges	O
,	O
LRE	B-Protocol
is	O
technically	O
classified	O
a	O
Metropolitan	O
area	O
network	O
(	O
MAN	O
)	O
technology	O
.	O
</s>
<s>
The	O
technology	O
was	O
sometimes	O
considered	O
an	O
example	O
of	O
Ethernet	B-Protocol
in	I-Protocol
the	I-Protocol
first	I-Protocol
mile	I-Protocol
(	O
EFM	O
)	O
.	O
</s>
<s>
Like	O
standard	O
VDSL	O
,	O
LRE	B-Protocol
allowed	O
existing	O
telephone	O
wiring	O
that	O
connects	O
an	O
organization	O
's	O
offices	O
to	O
be	O
used	O
to	O
network	O
those	O
offices	O
together	O
using	O
standard	O
Ethernet	O
protocol	O
without	O
incurring	O
the	O
huge	O
cost	O
of	O
deploying	O
fiber	O
optic	O
cable	O
or	O
limiting	O
organizations	O
to	O
the	O
bandwidth	O
provided	O
by	O
modems	B-Application
or	O
other	O
digital	O
subscriber	O
line	O
services	O
.	O
</s>
<s>
LRE	B-Protocol
was	O
compatible	O
with	O
VDSL	O
ETSI	O
Band	O
Plan	O
998	O
.	O
</s>
<s>
Cisco	O
sold	O
Cisco	B-Device
Catalyst	I-Device
model	O
2900	O
switches	O
using	O
Infineon	O
Technologies	O
PEF22822/PEB22811	O
VDSL	O
QAM	O
chipset	O
like	O
many	O
other	O
VDSL	O
concentrators	O
.	O
</s>
<s>
Infineon	O
used	O
the	O
name	O
10BaseS	B-Protocol
for	O
the	O
technology	O
,	O
</s>
<s>
Cisco	O
included	O
LRE	B-Protocol
in	O
its	O
Mobile	O
Office	O
marketing	O
effort	O
.	O
</s>
<s>
Cisco	O
announced	O
end-of-sale	O
for	O
the	O
LRE	B-Protocol
products	O
in	O
October	O
2006	O
,	O
and	O
its	O
explanation	O
page	O
was	O
removed	O
from	O
their	O
web	O
site	O
in	O
2007	O
.	O
</s>
<s>
HomePNA	B-Protocol
promotes	O
similar	O
technologies	O
for	O
use	O
within	O
a	O
home	O
rather	O
than	O
to	O
a	O
central	O
office	O
or	O
business	O
,	O
with	O
its	O
2.0	O
,	O
3.0	O
,	O
and	O
3.1	O
releases	O
.	O
</s>
<s>
Different	O
frequency	O
bands	O
are	O
used	O
so	O
that	O
VDSL	O
and	O
HomePNA	B-Protocol
can	O
share	O
the	O
same	O
wires	O
.	O
</s>
