Model8756A
Installation
HP-18
Cable
Lengths
Part
Numbers
HP
10833A
1m
(3.3 ft.)
HP
10833B
2m
(6.6 ft.)
HP
10833C
4 m (13.2ft.)
HP
10833D
0.5 m (1.6 ft.)
Figure 2-4. HP-IB Interface Cables Available
b.
When
more
than
two
instruments
are con-
nected
on
the bus, the cable length to
each
instrument
must
not
exceed 2 metres
(6
feet).
c.
The
total cable length between all units
must
not
exceed
20
metres
(65
feet).
2-24.
Operating
Environment
2-25.
Temperature.
The
instrument
may
be
operated
in temperatures from
ooc
to +55°C.
2-26.
Humidity.
The
instrument
may
be
operated
in
environments
with
humidity
from
5%
to
80%
relative at +25°C to +40°C. However,
the 8756A
should
be
protected from
temperature
extremes which cause
condensation
within
the
instrument
2-27.
Altitude.
The
instrument
may
be
operated
at altitudes
up
to 4572 metres ( approx-
imately
15,000 feet).
2-28.
Cooling.
Clearances
for
ventilation
should
be
at
least
10
em
(4
inches)
at
the
rear
of
the
cabinet
and
7.6
em
(3
inches) at the sides.
The
clearances provided by the plastic feet in
bench
stacking
and
the filler strips
in
rack
mounting
are
adequate
for the top
and
bottom
cabinet
surfaces.
The
fan
mounted
on
the
rear
of
the 8756A pulls
air
into the
instrument
and
out
though
the sides.
Insure
that
the
air
intake
and
exhaust
venting holes are not obstructed within
the limits given above.
2-29.
Front
Handles
(Option
907)
When
installing
front
handles and
rack
mount
kits, insure
that
the
correct
screws,
specified
in
the
installation figures in
this
section
of
the
manual, are used. Use
of
a
screw
which
is
longer
than
the
specified
length
may
result
in
damage
to
internal
components
located behind
the
screw
mount-
ing holes in
the
insrument.
2-30.
Instruments
with
Option
907
contain
a
Front
Handle
Kit
This kit supplies the nec-
cessary
hardware
and
installation instructions
for
mounting
two front
handles
on
the instru-
ment
Installation
instructions are also given in
Figure
2-5.
Additional
Option
907
Kits may be
ordered as
HP
Part
Number
5061-0090.
2-31.
Rack
Mounting
(Option
908)
2-32.
Instruments
with
Option
908
contain
a
Rack
Mount
Kit.
This
kit
suppplies
the
necessary
hardware
and
installation
instruc-
tions for
preparing
the
instrument
to
mount
on
an
equipment
rack
with 482.6
mm
(19 in.) sup-
port spacing. Installation instructions are also
given in Figure
2-6.
Additional
Option
908 Kits
may be
ordered
as
HP
Part
Number
5061-0078.
2-7
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