Bench Mounting; Rack Mounting; Connectors And Pin Designations - Datron 4708 User Handbook Manual

THE SHORT
CIRCUITING
OF
FUSE-HOLD-
ERS
SHALL BE
AVOIDED,
AND
RENDERS
THE
WARRANTY
VOID.
Bench
Mounting
The
instrument
is fitted
with
six plastic
feet. It is
intended to
stand
flat
on
a bench,
positioned so that the cooling-air
inlet
and
exhaust
apertures are not obstructed.
It is
recommended
that at
least
30cm
(12 inches) of
free
space
is
at
the
rear.
Rack
Mounting
Option
90 permits
the
instrument
to
be mounted
in
a standard 19
inch
cabinet.
To
fit
Option 90
CAUTION
Note
that the
4708
is
designed
to
be supported
at
front
and
rear.
AT
NO
TIME
should the
4708
be
supported only by
the front brackets.
On
no
account should
the
upper and
lower
covers
be
removed.
Remove
the
two
rear spacers
from
the case
sides
by
releasing six
screws. Fit the
two
rack-mounting
slides to the rear
of
the case
sides
and
secure using
six
of
the shorter
screws
in the option
kit.
N.B.
The
slides
may
be
reversed
to
give rearward
extension.
Fit
the
two
rear
rack-mounting
ears to the rear
of
the cabinet,
with tongues facing forward. In shallow
cabinets
it
may
be
necessary
to
trim the tongue.
CAUTION
Assistance
is
required
to
fit
the
4708
into the
cabinet.
Lift the
4708
into
position
in
the cabinet, locate the tongues
in
the
slides,
and
carefully slide
backwards
until the front ears butt
up against the cabinet
front.
S ecure the front ears
to the cabinet.
Also
clear ventilation for
fan cooling
to
operate properly.
suitable
RACK depths
1
depth
NOTES
1
mm
»n
<75
SHORTEN REAR RACK
MOUNTING EARS
25-29 FIT
AS
SHOWN
BY DRAWING
29-3i;
REVERSE RACK
MOUNTING
SLIDES
TO EXTEND
PAST
REAR PANEL
7
Off
4S0300
REARSPACERS
6
or
F
611038
M4y 12mm
SOCKET HO CSK SCREWS
©
FIT
AS INSTRUCTED
2
OFF 450317
RACK MOUNTING EAR FRONT
2
OFF
450313
RACK
MOUNTING EAR REAR
2
OFF 450314
RACK
MOUNTING
SLIDE
17
OFF 611062
M4xBmm
SOCKET
HD CSK SCREWS
Connectors and
Pin
Designations
IEEE 488
Input/Output Socket J27
The IEEE
input/output
is
a
24-way
connector
that
is
directly
compatible with
the
IEEE
488
interface
and
the
lEC
625 Bus.
Pin
Layout
2-2