Rear
Indicators/Connections
Figure
2
Rear
Face
Circular
DC
Power
Connection
–
DC
power
entry
for
the
unit.
This
is
a
standard
DC
connection
for
use
with
the
included
DC
wall
power
adapter.
Phoenix
DC
Power
Connection
–
Secondary
power
option.
This
is
wired
in
direct
parallel
with
the
Circular
connector
and
has
the
addition
of
a
positive
earth
chassis
ground
connection.
This
can
be
used
to
power
the
unit
on
a
client
supplied
power
buss.
Power
Requirements
and
Mounting
The
TD
‐
1580
and
TD
‐
1581
come
with
a
9V
DC
wall
adapter
for
powering
the
units.
Alternately,
user
supplied
7
‐
28
VDC
power
can
be
used
by
utilizing
the
Phoenix
power
connector
on
the
rear
of
the
module.
IMPORTANT:
For
many
serial
data
applications
it
is
necessary
to
provide
a
positive
earth
ground
reference
for
proper
serial
operation.
Earth
ground
can
only
be
supplied
using
the
Phoenix
connector.
DC
power
can
still
be
applied
with
the
wall
adapter
in
conjunction
with
just
the
earth
ground
on
the
Phoenix.
Surface
Mounting
All
TD
modules
have
two
keyhole
mounting
holes
on
the
bottom
of
the
unit.
Included
with
your
packaging
is
a
1:1
scale
template
for
spacing
screws
for
surface
mounting.
Simply
transfer
marks
to
the
surface
using
the
template
as
a
guide
and
secure
the
supplied
1/2”
#2
wood
screws
leaving
about
1/16”
below
the
head.
Now,
simply
lower
the
TD
module
over
the
screw
heads
and
slide
to
secure.
8
9
#2 Wood Screw, 1/2" Long, #1 Phillips
Drive
Lower TD Unit Over Screw
Heads,
