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Chapter 4 – AT Commands, S-Registers, and Result Codes
MT5634ZLX, MT5634ZLXI, MT5634ZLX/FE User Guide 19
Command Options Function & Description
&P0 (default) Make=40%, Break=60% for use in North America.
&P1 Make=33%, Break=67% for International use.
&Rn CTS/RTS option (for non-CTS flow control mode and synchronous mode
only).
&R0 (default) CTS follows RTS.
&R1 CTS always true.
&Sn Data Set Ready (DSR) option.
&S0 (default) DSR always on.
&S1 DSR on during handshake and on-line, off in test mode or idle mode.
&Tn Self-test commands.
&T0 (then ^ATO) Terminate test.
&T1 Local analog loopback test.
&T3 Local activated remote digital loopback (RDL) test.
&Vn View active configuration and stored profile.
&V0 View active file, stored profile #0 and stored phone numbers.
&Wn Store active profile.
&W0 Save active configuration as user profile #0.
&W1 Save active configuration as user profile #1.
&Yn Select stored profile on power-up.
&Y0 Recall user profile 0 on power-up.
&Zn=x Store telephone number n=0 to 3.
x=<string> See also the dial modifier in ”ATDn” command. The maximum number of
digits per string is 36.
%A Adaptive Answer Result Code Enable.
%Cn Data compression option.
%C0 No compression.
%C1 (default) MNP 5 compression.
\Gn Set modem port flow control.
\G0 (default) Disable port flow control.
\G1 Set port flow control to XON/XOFF.
\Jn Constant DTE speed option.
\J0 (default) DCE and DTE rates are independent.
\J1 DTE rate adjusts to DCE connection rate after on-line.