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Description
of
the
DCM212
Hayes
Protocol
When
you want
to
use
your
DCM
212
in
Hayes
protocol
mode,
posi-
tion
Switch 2
to
ON.
In
this
protocol
mode,
the other switches func-
tion
differently
from
those
in
Tandy
protocol.
Figure
5
shows which
switch
settings
can be used
for
easy operation.
COMMAND
ECHO
OFF
TRUE CARRIER
—
i
TANDY
PROTOCOL
AUTO
ANSWER
DISABLE
n
I
—
NUMERIC
RESULT
CODES
|—
ENABLE
COMMAND
RECOGNITION
SEND
RESULT
CODES
TRUE
DTR
[~r
iH
y
k
y
H
H B
01
N
2
3
4
5
G
7
8
:J
j
AUTO
ANSWER
ENABLE
HAYES
PROTOCOL
FORCED
CARRIER
—
COMMAND
ECHO ON
L
L FORCED
DTR
NO
RESULT
CODES
'
—
DISABLE
COMMAND
RECOGNITION
1
—
VERBAL RESULT
CODES
Figure
5.
DIP
Switch
Settings
in
Hayes
Protocol
Mode
Note:
When
Switch
1
is
ON,
the
Modem
assumes
auto answer
in
1200-bps
operation.
8
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