16
to
“t
al
k”
to
the
modem
on
the
corr
ect
COM
port
and
IRQ
set
ti
ng
(same
COM
port
and
IRQ
set
ti
ng
as
the
modem).
Your
communi
cat
ion
sof
tware
must
know
whi
ch
address
your
modem
is
usi
ng
in
the
syst
em
in
order
to
pass
dat
a
to
it
.
Si
mi
larl
y,
IRQ
set
ti
ngs
must
be
set
corr
ect
ly
to
recei
ve
dat
a
from
the
modem.
2
.
Make
sur
e
that
your
modem
is
ini
ti
al
ized
cor
rect
ly.
Your
modem
may
have
been
ini
ti
al
ized
to
not
di
spl
ay
responses.
You
may
fact
or
y-
reset
the
modem
by
issui
ng
AT&F
and
pr
ess
ENTER.
The
fact
or
y
def
aul
t
al
lows
the
modem
to
di
spl
ay
responses
af
ter
a
command
has
been
execut
ed.
M
o
d
e
m
d
o
e
s
n
o
t
d
i
a
l
.
1
.
Make
sur
e
the
modem
is
connect
ed
to
a
wor
ki
ng
phone
li
ne.
Repl
ace
the
modem
wi
th
a
wor
ki
ng
phone
to
ensur
e
that
the
phone
li
ne
is
wor
ki
ng.
2
.
Make
sure
the
phone
li
ne
is
connect
ed
to
the
jack
marked
“LI
NE.
”
Incorr
ect
connect
ion
prevent
s
the
modem
from
operat
ing
properl
y.
Ref
er
to
Sect
ion
2.
3
for
modem
connect
ion
inst
ruct
ions.
Modem
di
al
s
but
does
not
connect
.
1
.
Make
sur
e
the
IRQ
set
ti
ng
is
ident
ical
on
bot
h
the
modem
and
the
sof
twar
e.
Modem
and
sof
twar
e
must
be
conf
igur
ed
ident
ical
ly.
2
.
Make
sure
the
phone
li
ne
is
worki
ng
properl
y.
Repl
ace
the
modem
wi
th
a
regul
ar
phone
and
di
al
the
number.
If
the
li
ne
sounds
noi
sy,
you
may
have
di
ff
icul
ty
connect
ing
to
the
remot
e
devi
ce.
Modem
makes
a
connect
ion
but
no
dat
a
appear
s
on
your
scr
een.
1
.
Make
sure
the
corr
ect
dat
a
format
(dat
a
bi
ts,
st
op
bi
ts,
and
pari
ty
bi
ts)
and
fl
ow
cont
rol
(RTS/
CTS)
are
bei
ng
used.
2
.
Make
sur
e
the
cor
rect
ter
mi
nal
emul
at
ion
mode
is
bei
ng
used
(see
communi
cat
ion
sof
twar
e
manual
).
Hi
gh
pi
tch
tone
is
hear
d
whenever
you
answer
the
phone.
1
.
Make
sur
e
Aut
o-
Answer
is
tur
ned
of
f.
Your
modem
is
fact
or
y
conf
igur
ed
to
NOT
aut
o-
answer
.
Issue
AT&F
to
fact
or
y
reset
your
modem.
M
o
d
e
m
e
x
p
e
r
i
e
n
c
e
s
e
r
r
o
r
s
w
h
i
l
e
c
o
m
m
u
n
i
c
a
t
i
n
g
w
i
t
h
a
r
e
m
o
t
e
m
o
d
e
m
.
1
.
Make
sur
e
the
DTE
speed
is
the
same
as
the
modem
connect
ion
speed
when
in
Di
rect
Mode.
2
.
Make
sur
e
the
remot
e
syst
em
and
your
modem
use
the
same
communi
cat
ion
par
amet
er
s
(speed,
par
it
y,
et
c.
).
3
.
Make
sur
e
RTS/
CTS
har
dwar
e
fl
ow
cont
rol
is
enabl
ed
and
XON/
XOFF
sof
twar
e
fl
ow
cont
rol
is
di
sabl
ed
in
the
communi
cat
ion
sof
twar
e.
4
.
Make
sur
e
the
dat
a
speed
is
not
fast
er
than
your
comput
er
's
capabi
li
ty.
Most
IBM
compat
ibl
es
ar
e
capabl
e
of
19,
200
bps
under
DOS
and
Wi
ndows
3.
X.
Oper
at
ing
at
hi
gher
speeds
under
Wi
ndows
requi
res
a
486
or
fast
er
CPU
or
Wi
ndows
95.
Modem
exper
iences
bur
st
s
of
er
ror
s
or
suddenl
y
di
sconnect
s
whi
le
communi
cat
ing
wi
th
a
remot
e
modem.
1
.
Make
sure
Cal
l
Wai
ti
ng
is
turned
of
f.
2. Make sure the phone line does not exhibit excess
noise.
Section Seven - Support and Service
In the unlikely event you experience difficulty in
the use of this product, we suggest you: (1) consult the
Troubleshooting section of this guide and (2) consult
with your dealer. To obtain service for this product,
follow the Return Merchandise Authorization Proce-
dure as outlined in the Warranty card.
Appendix A - Specifications
Communication Std.
K56Plus (56Kbps), V.34,
V.32bis, V.32, V.29, V.27ter,
V.22bis, V.23, V.22, V.21, V.17,
Bell212/103
Data Compression:
V.42bis/MNP5
Error Correction:
V.42/MNP2-4
Host Interface:
16 bit PC bus
