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6-26 PRO/100 LAN+Modem PC Card User’s Guide
S-Registers because doing so could result in the modem behaving unpre-
dictably.
To display the value of an S-Register, type ATSn? where n is the number
of the S-Register, then press Enter.
To modify the value of an S-Register, type ATSn=r where n is the S-
Register number and r is the new value or setting, then press Enter.
S-Register Reference
S0 Ring to Answer After
The contents of register S0 sets the number of rings required before
the modem goes off-hook to answer an incoming call (auto answer).
The value can range from 0 to 255. ATS0=0 disables the auto-
answer function. The default is 0.
S1 Ring Counter
This register is read only. The value of S1 increments with each ring.
If no rings occur over a six-second interval, the register is cleared.
The value of S1 can range from 0 to 255. The default is 0. Limits are
country specific.
S2 AT Escape Character
Register S2 defines the ASCII character used in the Escape se-
quence. This command is used to return to command mode without
losing the connection with a remote modem. Default is S2=43,
which is the + character. Thus the default Escape sequence is
+++. ASCII values 127 and below can be used. To disable this
Escape sequence, set S2 equal to a value greater than 127.
S3 Command Line Termination Character
This register contains the ASCII value of the command line
terminating character (carriage return). The factory default value is
ASCII 13 the carriage return character. You can set register S3
to any value between 0 and 127.