AT&T DataPort PCX Modem User Manual page 58

AT Commands and S-Registers
Table B-1. AT Command and S-Register List (19 of 21)
AT Command/
S-Register
&X n
&Y n
&Z n=x
Description
TRANSMIT CLOCK SOURCE
Determines the source of timing.
&X, &X0 Internal. The modem generates the
clock signal.
&X1, &X2 Provided for compatibility only.
DESIGNATE DEFAULT STORED PROFILE
Determines which stored profile (0 or 1) is loaded
when the modem is turned on.
&Y, &Y0 Use stored profile 0.
&Y1 Use stored profile 1.
STORE TELEPHONE NUMBERS
Stores telephone number x into directory n (0, 1, 2, or
3). The phone number can contain up to 35
characters appropriate to the dial type (Touch-tone or
Pulse), and readability characters such as hyphens.
(See the D and DS commands for more information.)
Issue 2 July 1995
B-19