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US Robotics COURIER - Voice;Data Switching

US Robotics COURIER
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COURIER HIGH SPEED MODEMS
VOICE/DATA
The
voice/
data
switch
is located
on
the
modem's
front panel.
While
the
switch's
primary
function is to toggle
back
and
forth
between
voice
and
data
communications, this
new
feature also
allows
you
to
perform
other
functions
at
the
touch
of
a switch.
Set Register S32 for
any
one
of
the
functions,
and
change
that
function
any
time
you
wish.
Additionally, a
new
feature
of
the
Courier
modem
allows
you
to
use
the
voice/
data
switch to
set
the
modem
for
remote
configu-
ration. This is described
in
the next section
of
this
appendix,
Remote Access.
NOTE: Use the
voice/
data
switch
when
the
modem
is
in
Command
mode
(offline).
If
you
press
the
switch
while
the
modem
is online,
the
modem
hangs
up
and
returns
a
NO
CARRIER
result
code.
VOICE/DA
TA
OPERA
TIONS-S32=
1,
S32=2 OR
AT
COMMANDS
When
you
assemble
the
Courier,
you
have
the
option
of
plug-
ging
your
phone
into
the
second
modular
jack
of
the
modem
so
it's available for voice calls. You
can
also
switch
between
the
phone
and
modem
during
a call.
Users
of
Courier
modems
have
always
been
able to
phone
and
make
arrangements
with
another
user
before
turning
control
of
the call
over
to the
modems.
However,
it
was
difficult to
switch
from
data
to voice.
Now,
if
the
remote
modem
has
handset
exclusion,
you
can
change
from voice to
data
and
back
again,
with
or
without
issuing a
command.
Handset
exclusion
means
that
if the
modem
is
using
the
phone
line,
your
phone
(handset) is
automatically
disconnected.
However,
if
you
keep
the
handset
off
hook,
once
you
hang
up
the
modem
the
handset
takes
over
the
phone
line
and
you
can
use
voice
communications
again.
If
the
remote
user
does
not
have
handset
exclusion,
you
may
not
be
able to
switch
back
to
voice
mode
successfully once
you
have
switched
to
data
mode.
The following instructions
begin
with
toggling
voice/
data
communications
with
the
switch. These
are
followed
by
instructions for
doing
the
same
thing
with
AT
commands.
Keep
Fax
and
Other Operations E-3

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