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AT Command Set Operation
S-Registers
S n
Automatic Answer
Ring Counter
Esc Code character
Carr Return character
Line Feed character
Backspace character
Dialtone wait
Carrier wait
Dial pause
Carrier presence
060R122-000
Issue 15
Controls the S-Registers which store values for functions that are not often changed,
(i.e., timers or counters), and the ASCII values of control characters. For more
information, refer to
AT Command Details
S n ?
Views the value stored in Register
S n = x
Changes an S-Register, where
Determines the number of rings detected (1 - 255) before answering a call. If the
S0
value is 0, automatic answer is disabled. There is a default value is 2 rings.
S1
Counts incoming rings detected. Counter is cleared after 8 seconds of ring silence in
Idle mode. Counter cannot be cleared in data mode. Not saved after powerup/reset.
Holds the ASCII equivalent (0 -127) of the Escape Code character. Any value greater
S2
than 127 disables the Escape code function. With Firmware Ver 8.3.1.7 and later,
user-defined value is saved in the user profile. The default is 43 (ASCII
S3
Holds the ASCII equivalent (0-127) of the Carriage Return character. User-defined
value not saved after powerup/reset. The default is 13 (ASCII
Holds the ASCII equivalent (0-127) of the Line Feed character. User-defined
S4
value not saved after powerup/reset. The default is 10 (<lf>).
Holds the ASCII equivalent (0-127) of the Backspace character. User-defined
S5
value not saved after powerup/reset. The default is 08 (ASCII
Stores how many seconds the modem will wait for a dial tone before it starts dialing
S6
(0 to 255) The default is 2 seconds. This register is only active only with blind dialing
X0
X1
X3
(
,
, or
).
Stores and determines how many seconds (1-60 sec) the modem will wait for carrier
S7
detection after dialing has been completed. The default is 60 seconds.
Used for the dial command modifiers
(wait for quiet answer before dialing).
Sets the number of seconds the modem will wait for ringback when originating a call.
This condition only occurs when using extended result code options
Stores and determines how many seconds of pause will occur (0-255) when either of
S8
the pause dialing modifiers is used (
S9
Stores and determines how many tenths of a second (1 to 255) the carrier signal
must be present following a carrier loss before the modem will turn on the EIA DCD
signal to the DTE. This is called loss of carrier re-acquire debounce time.
The default is 6 (0.6 second).
SpectraComm Dual V.34 Modem
Installation and Operation
AT Command Reference Tables
.
n
.
n
x
is the Register and
is the new value.
W
(wait for dial tone before dialing) and
,
<
or
). The default is 2 seconds.
+
).
CR
).
BS
).
@
X3
X4
or
.
4-15
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