<s>
A	O
parallel	B-Protocol
optical	I-Protocol
interface	I-Protocol
is	O
a	O
form	O
of	O
fiber	B-Architecture
optic	I-Architecture
technology	I-Architecture
aimed	O
primarily	O
at	O
communications	O
and	O
networking	B-Architecture
over	O
relatively	O
short	O
distances	O
(	O
less	O
than	O
300	O
meters	O
)	O
,	O
and	O
at	O
high	O
bandwidths	O
.	O
</s>
<s>
Parallel	O
optic	O
interfaces	O
differ	O
from	O
traditional	O
fiber	B-Application
optic	I-Application
communication	I-Application
in	O
that	O
data	O
is	O
simultaneously	O
transmitted	O
and	O
received	O
over	O
multiple	O
fibers	O
.	O
</s>
<s>
In	O
the	O
simplest	O
form	O
,	O
the	O
parallel	O
optic	O
link	O
is	O
a	O
replacement	O
for	O
many	O
serial	B-Protocol
data	I-Protocol
communication	I-Protocol
links	O
.	O
</s>
<s>
Needless	O
to	O
say	O
,	O
there	O
are	O
many	O
ways	O
to	O
perform	O
this	O
multiplexing	B-Architecture
provided	O
the	O
fundamental	O
coding	O
at	O
the	O
fiber	O
level	O
meets	O
the	O
channel	O
requirement	O
.	O
</s>
<s>
The	O
main	O
applications	O
for	O
parallel	B-Protocol
optical	I-Protocol
interfaces	I-Protocol
are	O
found	O
in	O
telecommunications	O
and	O
supercomputers	B-Architecture
,	O
also	O
being	O
introduced	O
to	O
consumer	O
applications	O
.	O
</s>
<s>
It	O
displaces	O
copper	O
backplanes	B-Architecture
that	O
are	O
commonly	O
used	O
for	O
large	O
switching	O
equipment	O
design	O
.	O
</s>
