S-register commands, At=n, Atsn – Eicon Networks DIVA T/A ISDN Modem User Manual
Page 57: Atsn=v

DIVA T/A ISDN Modem Reference Guide
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S-Register Commands
The following five commands apply to S-Registers, which are described further below.
S Register Parameters
ATSn=v
S-Register n to Value v. Sets S-Register n to the value v.
ATSn
Establishes S-Register n as the Selected Register. Sets S-Register n as the last
register accessed, where n is the number identifying the S-Register. For example,
ATS7 establishes S7 as the last accessed register.
ATSn?
Reports the Value of S-Register n. Reports the last value stored into S-Register n. If
n is omitted, the last S-Register is accessed.
AT=n
Last Accessed S-Register to Value v. Use this command to set the last accessed
S-Register to the new value n.
AT?
View Last Accessed S-Register. Displays the contents of the “selected” S-Register.
The “selected” S-Register is the last S-Register that was accessed using an S-Register
command, or selected with the ATSn command.
Register
Description
S0
Enable/Disable Auto-answer. Specifies whether auto answer is enabled or disabled.
Setting a value other than “0” instructs the DIVA T/A to auto-answer after n rings. A
value of “0” instructs the DIVA T/A to disable the auto-answer mode. Type: Storable.
v=0
No auto answer (default).
v=1-255 Answers after this number of rings
S1
View Ring Count. Specifies number of rings.
Default: 0. Type: Non-Storable.
Note: This register is reset to 0 if 8 seconds elapse since receipt of the previous ring.
S2
Escape Sequence Character. Specifies the character used to escape from the data
mode and return to the AT command mode.
Range: 0 to 255. Type: Storable.
Default: ASCII 043, translates into the “+” character.
S3
Carriage Return Character. Specifies the character that the AT command processor
uses to detect the end of a command line in both the receive and transmit directions.
Range: 0 to 127. Type: Non-Storable.
Default: ASCII 013 which translates into the carriage return character.
S4
Line Feed Character. Specifies the character that the AT command processor uses to
indicate the end of each status message.
Range: 0 to 127. Type: Non-Storable.
Default: ASCII 010 line feed.
S5
Backspace Character. Specifies the backspace character used for command line
editing.
Default: ASCII 008 (backspace). Type: Non-Storable.