Agilent Technologies 4395A - Page 142

Rear
P
anel
Features
and Connectors
3.
External
Program
RUN/CONT
Input
Externally
triggers
r
un
or
cont
of
the
HP
Instrument
BASIC
program. The
positive edge
of
a
pulse
whose
width
is
20
 s
or larger
in the
low
state triggers
run
or cont
.
The
signal
is
TTL-compatible
.
4.
I/O P
ort
This
is a
12-bit data
communications
port
that
connects
to
external
devices
such
as
a
handler
on
a production
line.
It
can
communicate
8
bits
of
output
data
and
4
bits
of
input
data
at
a
time
.
F
or
more
information,
see
Chapter
11
and
Programming
Manual
.
5.
P
ower
Cable
Receptacle
This
receptacle
accommodates
the
main
power
cable
.
Insert
the
main-power
cable plug
only
into
a
socket
outlet
that
has
a
protective
ground
contact.
Note
that the
fuse that
protects the
power
line
is
located
inside
the
rear
panel
cover
.
6.
GPIB
Interface
Connects
the
analyzer
to
an
external
controller and
other instruments
to congure
an
automated
system.
This
connector
is
also
used when
the analyzer
itself serves
as the
controller
of
compatible
peripherals
.
F
or
more
information,
see Programming
Guide .
7.
External
Monitor
T
erminal
This
terminal
outputs
measurement
results
to
an
external
color
monitor
.
Color
monitors
supporting
VGA
(scan
rate
of
31.5
kHz)
can
be
connected
to
this
terminal.
8.
Parallel
Interface
This
interface can
be used
to
redirect
the
displayed
results
to
a
printer
.
It
complies
with
the
Centronics
parallel
interface
standard.
See
\Printer"
in
Chapter
12
for
supported
printers
.
9.
24-bit
I/O
P
ort
In
addition
to
the
12-bit
I/O
port
(described
in
item
4
above),
the
4395A
is
equipped
with
a
24-bit
data
communications
port
that
connects
to
external
devices
such
as
a
handler
on
a
production line
.This
port
can
communicate
2
sets
of
8-bit
output
data
and
2
sets of
4-bit
bidirectional
data
at a
time
.
F
or
more
information,
see
Programming
Guide
.
10. mini-DIN K
eyboard Connector
Connect a mini-DIN keyboard
to this connector usually when using Instrument B
ASIC.
Note
Be sure to use the specied PS/2,
101 keyboard. Using any other keyboard can
cause failure
.
4-12 Front and Rear Panels