T
riguard
SC300E
BACKPLANE
Figure
2
-
2.
Rear
view
of
chassis
showing
backplane
detail
The
backplane
is
a multilayer
printed
circuit
bo
ard
that
forms
the
rear
plate
of
the
box
chassis
and
carries
all
the
interconnections
and
input/output
connectors.
The
backplane
provides:
• A dual
power
and
ground
plane
distribution
system
• Processor
to
processor
and
processor
to
I/O
module
communicat
ion
buses
• ‘Rear
plug
up’
field
I/O
connectors
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