AT&T DataPort PCX Modem User Manual page 52

AT Commands and S-Registers
Table B-1. AT Command and S-Register List (13 of 21)
AT Command/
S-Register
Z n
&C n
Description
RESET AND LOAD ACTIVE
Resets the modem and loads user-defined
configuration options.
Z, Z0 Loads the stored profile 0 configuration
options into Active.
Z1 Loads the stored profile 1 configuration
options into Active.
LSD (LINE SIGNAL DETECT) CONTROL
Determines the handling of the remote LSD signal.
&C, &C0 Forced On (Default for &F0)
&C1 Follows standard RS-232 operation. LSD
is ON when RXD output is possible.
(Default for &F1)
Issue 2 July 1995
B-13