SECTION
11.
SERIALI
PARALLEL
CARD
The
HP
Vectra supports
an
HP24540A Serial/Parallel Card. The
HP24540A provides a serial port and a parallel
port
for
external
devices. The HP24540A card
is
inserted into one
of
the
available
1/0
backplane slots.
In
this section
the
card will be described in
two
parts: the first part
is
the serial portion
of
the
card,
the
second part
is
the parallel portion
of
the
card.
The following diagram
is
a layout
of
the
HP24540A. The positions
of
the jumpers and connectors are shown.
J1
and
J2
Location
SERIAL
PORT 1
PORT 2
PARALLEL
Figure 26
J1
is
the address selective serial port, and
J2
is
the
address
selective parallel port.
Serial/Parallel Card 121