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Appendix
A
You
can
use
this
command
when
you
have
changed
several
parameters
and you do
not
want
to
go back and change
them
again,
one-by-one.
It
also saves
you from
having
to cycle
the
power
switch
OFF
and
ON.
X,
x
Exit the
command
receptive
state.
Execute
the cur-
rent switches.
The
X
command
tells
the
Modem
that
you
have
set
up
the
DCM
212
the
way
you want
it
and
now
is
the
time
to
execute
your
instructions.
The
Modem
will
do
one of
three things:
1.
Enter a
waiting
state
and monitor
the
telephone
lines
for
an
in-
coming
call
(auto-answer
mode).
2.
Seize the
telephone
lines
and
monitor
for carrier
(if
in
manual
originate
or
manual
answer
mode)
or
start
its
dialing
sequence
(if
in auto-originate).
3.
Enter
the analog
loop
(self-test)
mode
in
the
ANALOG
LOOP:
Y
condition.
51
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