10
HP
98644A RS-232-C Serial Interface Card
The
HP
98644A RS-232 Interface connects
to
a terminal, modem, serial
peripheral,
or
controller
and
supports
the
RS-232C
standard.
One interface is
required for each device,
and
each interface must
be
set
to
a unique select code.
Operating System Support
Operating/language system
support
is as follows:
• BASIC: supported on revision 4.0 or
later
with Series 300 controllers. Earlier
revisions can access this interface
if
it
is set
to
emulate
the
HP
98626A
RS-232-C Interface.
• Pascal System:
supported
on revision 3.1 or
later
with
Series 300 controllers.
Earlier revisions can access this interface
if
it
is set
to
emulate
the
HP
98626A RS-232-C Interface.
• HP- UX Operating System: supported on revision 5.0 or
later
with Series 300
controllers.
Preliminary Requirements
Find
out
what your application's accessory RS-232 interface function values
need
to
be set to. These functions are:
• Select Code.
•
Interrupt
level.
• Remote/Local.
• Modem Enable.
Your
HP
98644A RS-232 Interface Card must
be
set
to
the
values your
application requires.
Setting the Configuration Switches
Refer
to
Figure 10-10 for switch locations.
10-34 Configuring Popular Accessory Cards