Comtrol AT Commands for SmartACFL User Manual
Page 89

Command Reference Manual
100722A
Conexant
3-69
3.3.3.15 S16 - Test Mode Bit Mapped Options Status
S16 indicates the test in progress status.
Default: 0
Bit 0
Local analog loopback
0 =
Disabled (Default.)
1 =
Enabled (&T1)
Bits 1-7
Not used
3.3.3.16 S19 - Reserved
S19 is supported for backwards compatibility only. No value can be written. Responds with default value.
Range:
None
Default: 0
3.3.3.17 S20 - Reserved
S20 is supported for backwards compatibility only. No value can be written. Responds with default value.
Range:
None
Default: 0
3.3.3.18 S21 - V.24/General Bit Mapped Options Status
S21 indicates the status of command options.
Default: 52 (34h) (00110100b)
Bits 0 - 1
Reserved (0)
Bit 2
CTS behavior (&Rn)
0 =
CTS tracks RTS (&R0)
1 =
CTS always on (&R1) (Default.)
Bits 3-4
DTR behavior (&Dn)
0 =
&D0 selected
1 =
&D1 selected
2 =
&D2 selected (Default.)
3 =
&D3 selected
Bit 5
RLSD (DCD) behavior (&Cn)
0 =
&C0 selected
1 =
&C1 selected (Default.)
Bit 6
DSR behavior (&Sn)
0 =
&S0 selected (Default.)
1 =
&S1 selected
Bit 7
Long space disconnect (Yn)
0 =
Y0 (Default.)
1 =
Y1