AT&T DataPort PCX Modem User Manual page 46

AT Commands and S-Registers
Table B-1. AT Command and S-Register List (7 of 21)
AT Command/
S-Register
Q n
S n=r
S n ?
S0= n
S2= n
S3= n
Description
RESULT CODES
Allows modem response messages, such as OK
and BUSY, to be displayed. Refer to the V and
X commands for more information. See Table G-1 in
Appendix G for a list of result codes.
Q, Q0 Enables result codes
Q1 Disables result codes
CHANGE S-REGISTER
Assigns a new value to the specified S-register.
n = S-register
r = new value of S-register
VIEW S-REGISTER
Displays the value of a specific S-register n (for
example, ATS0?).
AUTO-ANSWER RING NUMBER
Number of rings before the DataPort PCX modem
answers. Accepts a ring count from 0 to 255. Factory
setting is 0. If set to 0, a call must be answered
manually, or by issuing the A command.
0 = Disable
1 to 255 = Number of rings before modem will answer
AT ESCAPE CHARACTER
Sets the AT Escape Character to a value from 0 to
127. A setting greater than 127 disables the escape
sequence.
Factory setting is 43, the ASCII + character.
CARRIAGE RETURN CHARACTER
Sets the Carriage Return Character to a value from
0 to 127.
Factory setting is 13, the ASCII carriage return.
Issue 2 July 1995
B-7