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US Robotics COURIER - Additional Result Code Subsets (&An)

US Robotics COURIER
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COURIER HIGH SPEED MODEMS
Additional Result Code Subsets (&An)
Use this
command
to
enable/
disable
one
of
the
following
sub-
sets of
error
control,
modulation
or
protocol
result
codes.
&AO
ARQ (error control) codes
are
disabled. This
setting
does
not
affect
an
error-control connection;
the
modem
returns
the
standard
CONNECT
messages
if
result
codes
are
enabled.
&Al
ARQ
codes
are
enabled.
One
of
the
following
results
is
sent
to
the
screen
when
a successful
error
control
connection
is established.
Message
14 is
displayed
if
the
modem
is
set
to
XO
and
the
connection
is
at
any
rate
from
1200 to 14.4K bps. The
remaining
results
indicate
the
connection
rate
and
require
a
setting
of Xl
or
higher.
14/CONNECT
/
ARQ
22/CONNECT
12000/
ARQ
15/CONNECT
1200/
ARQ
24/CONNECT
7200/
ARQ
16/CONNECT
2400/
ARQ
26/CONNECT
14400/
ARQ
17
/CONNECT
9600/
ARQ 47
/CONNECT
16800/
ARQ
19/CONNECT
4800/
ARQ
&A2 HST
/V32
modulation
codes
are
enabled. This
option
is
included
for
users
of HST
Dual
Standard
modems.
If
your
software
cannot
handle
the
added
modulation
information, select
&Al
or
&AO.
23/CONNECT
9600/HST
or
33/CONNECT
9600/V32
27
/CONNECT
9600/
ARQ/HST
or
37
/CONNECT
9600/
ARQ/V32
28/CONNECT
4800/HST
or
38/CONNECT
4800/V32
29/CONNECT
4800/
ARQ/HST
or
39/CONNECT
4800/
ARQ/V32
30/CONNECT
7200/HST
or
40/CONNECT
7200/V32
34/CONNECT
7200/
ARQ/HST
or
44/CONNECT
7200/
ARQ/V32
31/CONNECT
12000/HST
or
41/CONNECT
12000/V32
32/CONNECT
12000/
ARQ/HST
or
42/CONNECT
12000/
ARQ/V32
35/CONNECT
14400/HST
or
45/CONNECT
14400/V32
36/CONNECT
14400/
ARQ/HST
or
46/CONNECT
14400/
ARQ/V32
53/CONNECT
16800/HST
or
57/CONNECT16800/
ARQ/HST
&A3 Protocol codes
are
enabled.
Error
control protocols
reported
are: HST, LAPM,
or
MNP.
When
the
call is
not
under
one
of
those
protocols
(and
ARQ
is
not
included
in
the
result
code),
the
modem
reports
either
SYNC, indicat-
ing
a
synchronous
connection,
or
NONE,
for
no
protocol.
If
the
modems
are
using
data
compression,
the
type
of
compression,
V42BIS
or
MNPS, is
added
to
the
result
code.
In
the
first of
the
following examples,
the
modems
negotiated
error
control for
the
call (ARQ),
used
HST
5-6 Internal Controls
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