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Status Registers
Bit Mapped S21
Bit
Value
6, 0
00
&S
10
&S1
01
&S2
11
&S3
5, 1
00
&C
10
&C1
01
&C2
11
&C3
2
0
&R
1
&R1
4, 3
00
&D
01
&D1
10
&D2
11
&D3
7
0
Y
1
Y1
* default
10-10
Command
DSR forced on *
DSR on when online
DSR off 5 seconds after disconnect
DSR follows off hook (OH)
DCD always on *
DCD on while carrier present
DCD on except for 5 seconds after disconnect
DCD follows RTS on remote modem; not
valid in reliable mode
CTS follows RTS by S26 delay
CTS always on *
Modem ignores DTR *
Modem assumes command mode when DTR
turns off
Modem hangs up when DTR turns off
Modem resets when DTR turns off
Long space disconnect disabled
Long space disconnect enabled *
Description
V.3400
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