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Command
bit
dec
16
5
0
32
6-7
0
64
128
192
S23=
bit
dec
0
0
1
1
0
2
2
0
4
3-5
0
8
16
24
Status Registers
hex
Function and description
10*
CD tracks presence of data carrier
(see also S38.3) (default)
0
CTS Follows RTS in synchronous
mode. Response delay set in S26
20*
Ignore RTS (CTS always ON) in
synchronous mode. (Default)
0
Assume DTR always On
40
108.1, DTR OFF-ON transition
causes dial of the default number
80*
108.2 Data Terminal Ready, DTR
OFF causes the modem to hang up
and return to command state
(default)
C0
108.2+RST, DTR OFF causes the
modem to hang up and reset the
modem to profile 0 after DTR
dropped
Hex
Bit mapped register
0
Command echo disabled
1*
Command echo enabled (default)
0*
Tone dial. (Default)
2
Pulse dial.
0*
Pulse dial make/break ratio = 39% /
61% (default)
4
Pulse dial make/break ratio = 33% /
67%
0
ATX0 (See result code table)
8
ATX1
10
ATX2
18
ATX3
U-90E Data/Fax Modem
Ref.
&C1
&R0
&D2
&D0
&D1
&D2
&D3
+105
E0
E1
T
P
&P0
&P1
X0
X1
X2
X3
6-7
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