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HP 262SA - Page 57

HP 262SA
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PGroupID
(Multipoint
only)
Configuring
the
Terminal
Table
3-4.
Datacomm Configuration Menu Fields (Continued)
If
this
field is
set
to ttXonXoff",
the
terminal
will
automati-
cally perform receive pacing
using
XON (ASCII
<DC1
»
and
XOFF (ASCII <DC3» control codes.
With
this
type
of
receive
pacing,
the
terminal
causes
the
remote device
to
halt
trans-
mission
by
sending
an
XOFF code
and
to
resume
transmission
by
sending
an
XON code.
For
this
type
of receive
pacing
to
work,
the
remote device
must
of
course be configured to
start
and
stop
transmission
in
response to XON
and
XOFF codes.
Note
that
if
the
remote device recognizes XON
and
XOFF
codes
and
your
terminal
is
operating
in
Character
mode, you
can
issue
the
codes
through
the
keyboard
regardless
of
the
setting
of
this
field. The •
and
Q(or
q)
keys (when pressed
simultaneously)
generate
an
XON code
and
the
•
and
S (or
s)
keys
generate
an
XOFF.
If
this
field is
set
to
ttTR(
CD>",
data
receipt is controlled by
the
state
of
the
Data
Terminal Ready
signal
line (refer to
TR(
CD».
When, while receiving,
the
terminal
reaches
a
state
in
which
it
can
no longer receive,
it
deactivates
the
TR
line
to stop
the
transmitter
from
transmitting.
Then,
when
it
is
ready
to
receive,
it
reactivates
the
TR
signal
line.
Values:
None
(default)
XON/XOFF
TR(CD>
(Full Duplex
Hardwired
only)
Default
=
None
This
field specifies
the
group identification code to be used
by
the
host
computer for polling
individual
terminals.
ttPolling"
is
the
mechanism
the
host
computer
uses
to allow a
terminal
to
transmit
data.
The
group ID for polling
may
be
any
of
the
following ASCII
characters,
the
only
limitation
being
that
it
must
be
a differ-
ent
character
than
the
one used for
the
group ID for selecting
(see SGroup
ID):
SPACE
! # $ % & I
(>
*+,
-.
/
o
through
9
: ; < = ) ? @
A
through
Z [ I ] "
a
through
z \
{ I
3-21

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