<s>
MelsecNet	B-Protocol
is	O
a	O
protocol	O
developed	O
and	O
supported	O
by	O
Mitsubishi	O
Electric	O
for	O
data	O
delivery	O
.	O
</s>
<s>
MelsecNet	B-Protocol
supports	O
239	O
networks	O
.	O
</s>
<s>
MelsecNet	B-Protocol
protocol	O
has	O
two	O
variants	O
.	O
</s>
<s>
MELSECNET/H	O
and	O
its	O
predecessor	O
MELSECNET/10	O
use	O
high	O
speed	O
and	O
redundant	O
functionality	O
to	O
give	O
deterministic	O
delivery	O
of	O
large	O
data	O
volumes	O
.	O
</s>
<s>
Coaxial	O
bus	O
type	O
uses	O
the	O
token	B-Protocol
bus	I-Protocol
method	O
with	O
overall	O
distance	O
of	O
but	O
optical	O
loop	O
type	O
uses	O
the	O
Token	B-Device
Ring	I-Device
method	O
and	O
can	O
support	O
a	O
distance	O
up	O
to	O
.	O
</s>
<s>
MELSECNET/H	O
can	O
support	O
a	O
maximum	O
of	O
19,200	O
bytes/frame	O
and	O
maximum	O
communication	O
speed	O
of	O
25Mbit/s	O
.	O
</s>
<s>
MELSECNET/10	O
supports	O
960	O
bytes/frame	O
and	O
a	O
baud	O
rate	O
of	O
10Mbit/s	O
.	O
</s>
<s>
Mitsubishi	O
provides	O
a	O
manual	O
for	O
both	O
the	O
variants	O
Melsecnet/H	O
and	O
MelsecNet/10	O
.	O
</s>
