S-registers, Abort timer, Backspace character, setting – Multi-Tech Systems MT5634MSV User Manual
Page 50: Carriage return character, Carrier loss disconnect time, setting, Comma, setting pause time, Data calling tone, Dialing tones, Disconnect delay, Error control, setting
MessageSaver User Guide
42
S-Registers
Certain modem values, or parameters, are stored in memory locations called S-registers.
Use the S command to read or to alter the contents of S-registers (see previous section).
Register Unit
Range
Default
Description
S0
1 ring
0, 1–255 1
Sets the number of rings until the modem
answers. ATS0=0 disables autoanswer
completely.
S1
1 ring
0–255
0
Counts the rings that have occurred.
S2
decimal
0–127
43 (+)
Sets ASCII code for the escape sequence char-
128–255
acter. Values greater than 127 disable escape.
S3
decimal
0–127
13 (^M) Sets the ASCII code for the carriage return
character.
S4
decimal
0–127
10 (^J)
Sets the ASCII code for the line feed
character.
S5
decimal
0–32
8 (^H)
Sets the ASCII code for the backspace char-
33–127
acter. Values over 32 disable backspace.
S6
seconds
2–65*
2*
Sets the time the modem waits after it goes
off-hook before it begins to dial the telephone
number.
S7
seconds
1–255*
50*
Sets the time the modem waits for a carrier
signal before aborting a call. Also sets the
wait for silence time for the @ dial modifier.
S8
seconds
0–65
2
Sets the length of a pause caused by a
comma character in a dialing command.
S9
decimal
0, 1–127 37 (%)
Sets ASCII code for remote configuration
escape character. S9=0 disables remote
configuration.
S10
100 ms
1–254
20
Sets how long a carrier signal must be lost
before the modem disconnects.
S11
1 ms
50–150*
95*
Sets spacing and duration of dialing tones.
S28
decimal
0, 1–255 1
0 disables, 1–255 enables V.34 modulation.
S30
1 minute 0, 1–255 0
Sets the length of time that the modem waits
before disconnecting when no data is sent or
received. A value of zero disables the timer.
See also the \T command
S35
decimal
0–1
0
0 disables, 1 enables the V.25 data calling
tone, which allows remote data/fax/voice
discrimination.
S36
decimal
0–7
7
Specifies the action to take in the event of a
negotiation failure when error control is
selected. (See S48.)
* These values may be different outside North America.