5.0 S Registers
RC224ATL/224ATLV
EmbeddedModem Family
Table 5-2. S Register Description (6 of 8)
Register
Default
Range
Units
Description
—
S23
07
Bit Mapped
Bit Mapped Options.
Bit 0
Obey request from remote modem for a Remote Digital
Loopback (See &T4 and &T5 Commands)
0
1
&T5 selected—RDL disabled
&T4 selected—RDL enabled (factory default)
Bit 1, 2 Communications Rate
2 1
0 0
300 bps
0 1
Reserved
1 0
1200 bps
1 1
2400 bps (factory default)
Bit 3
Reserved
Bit 4, 5 Parity Option
5 4
0 0
0 1
1 0
1 1
Even parity (factory default)
Space parity
Odd parity
Mark/None parity
Bit 6, 7 Guard Tones (See &G Command)
7 6
0 0
0 1
1 0
1 1
&G0—Guard tone disabled (factory default)
Reserved
&G2—1800 Hz guard tone
Reserved
S24
S25
00
05
0-255
0-255
Seconds Sleep Mode Inactivity Timer. S24 is used to set the amount of
time the modem may be inactive before it will enter sleep mode.
The range of S24 is 0 ≤ S24 ≤ 4, and Sleep Mode is inhibited when
S24 = 255. (Also see Sleep Mode Signals in Table 3-5.)
0.01 or 1 Detect DTR Change. If &Q1 is selected, S25 is the delay in
Seconds seconds after a connection has been made, but before the modem
examines the DTR lead.
If in the on-line or on-line command state, changes in DTR that last
less than the time specified by S25, in 0.01 sec increments, are
ignored by the modem.
S26
01
0-255
0.01
Seconds
RTS to CTS Delay Intervals. Reserved
5-8
Conexant
D224ATLVDSC
CONEXANT [ CONEXANT SYSTEMS, INC ]
