Handling and Installation 6
1 • Handling and Installation
The
VMIACC
‐
7055*/ACC
‐
7055RC*
rear
transition
modules
(RTMs)
are
designed
to
be
used
with
the
VMICPCI
‐
7055*/CPCI
‐
7055RC*
single
board
computers
(SBCs).
The
rear
transition
module
is
mounted
in
the
rear
I/O
area
of
the
chassis
and
provides
associated
signals
from
the
front
mounted
SBC.
The
signals
are
routed
to
the
backplane
through
the
J3
and
J5
connectors.
The
J4
connector
is
used
for
alignment
only
and
has
no
electrical
connections.
The
VMIACC
‐
7055/ACC
‐
7055RC
boards
are
full
6U
form
factor
boards
with
a
CompactFlash
connector,
an
internal
IDE
header,
two
COM
ports,
two
LAN
ports
(option
dependent),
and
one
PIM
site.