NPB-2X-485 Option Installation Sheet
Updated: May 28, 2009
Part Number 10621 Rev 2
Wiring
Material and Tools Required
2
For
the
J
‐
202
‐
XPR,
first
remove
the
right
cover,
then
the
left
cover,
retaining
the
two
screws
that
secure
each
cover.
3.
For
all
but
the
J
‐
202
‐
XPR,
remove
the
battery
and
bracket
assembly
by
taking
out
the
screws
holding
it
in
place,
setting
the
screws
aside
for
later.
Unplug
the
battery
from
the
connector
on
the
JACE.
See
for
an
exploded
view.
Figure 2
Remove battery assembly.
4.
Remove
the
blanking
end
plate
for
the
slot
you
are
installing
the
option
card
into.
(Retain
the
blanking
end
plate
in
case
the
option
card
must
be
removed
at
a
later
date.)
5.
Carefully
insert
the
pins
of
the
NPB
‐
2X
‐
485
into
the
socket
of
the
appropriate
option
card
slot.
The
mounting
holes
on
the
option
board
should
line
up
with
the
standoffs
on
the
base
board.
If
they
do
not,
the
connector
is
not
properly
aligned.
Press
until
the
option
card
is
completely
seated.
6.
Place
the
custom
end
plate
that
came
with
the
NPB
‐
2X
‐
485
over
its
connector
(see
Figure 3
NPB-2X-485 inserted, end plate on top.
7.
Plug
the
battery
cable
into
the
battery
connector
on
the
JACE
(see
for
location
on
the
JACE
‐
200/600).
8.
For
all
but
the
J
‐
202
‐
XPR,
set
the
battery
and
bracket
assembly
back
over
the
option
card
slots,
with
mounting
holes
aligned
with
the
standoffs.
Screws
enter
holes
in
the
battery
bracket
first.
Figure 4
Re-fasten screws.
9.
Place
the
screws
through
the
end
plate(s),
and
into
the
standoffs
on
the
base
board.
Using
a
screwdriver,
hand
tighten
screws.
10.
Replace
the
JACE
cover
or
covers
(J
‐
202
‐
XPR).
If
accessory
modules
were
unplugged
from
the
JACE,
plug
them
back
as
before,
and
secure.
Wiring
Connect
to
an
RS
‐
485
multipoint
network
using
one
of
the
3
‐
position
screw
terminal
connectors,
using
shielded
18
‐
22
AWG
wiring.
Refer
to
the
TIA/EIA
‐
485
standard
for
more
details.
Screw
terminals
are
minus
(–),
plus
(+),
and
shield
(
S
),
as
indicated
on
the
NPB
‐
2X
‐
485
end
plate
label—see
LEDs
Four
LEDs
are
visible
on
the
top
of
the
NPB
‐
2X
‐
485
option
card
(cover
must
be
removed
from
JACE).
The
label
on
the
NPB
‐
2X
‐
485
end
plate
notes
these
four
LEDs
as
“TX”
and
“RX”—see
The
two
LEDs
for
each
port
are
described
as
follows:
•
TX
(yellow)
—
Transmit,
indicates
that
the
JACE
is
sending
data
to
a
device
connected
on
the
RS
‐
485
trunk.
•
RX
(green)
—
Receive,
indicates
that
the
JACE
is
receiving
data
from
a
device
connected
on
the
RS
‐
485
trunk
Screws (4)
Option
Slot 2
Area
JACE-200/600
Blanking
End
Plate
Battery
Assembly
(includes
cable and
bracket)
Unplug battery here
Option
Slot 1
Area
JACE
Battery
Connector
Insert NPB-2X-485 into
option card slot carefully,
with
pins aligned
.
Fully seat card.
JACE-200/600
Place NPB-2X-485
custom end plate
over end.
For JACE models
with battery
assembly over the
Option Slots,
reinsert the
4 screws through
the battery bracket,
end plates, and into
the standoffs.
JACE-200/600
