Multi-Tech Systems BL-Series - Manual (Page 137)

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Appendix D - AT Command Summary
Command Values Description
Vn n = 0 or 1 V0 means Result Codes sent as digits (terse
response).
* V1 means Result Codes sent as words (verbose
response).
W Wait for new dial-tone.
&Wn n = 0 or 1 &W0 causes modem to store its current parameters
in non-volatile RAM, and modem will load these for
future sessions instead of reading factory ROM
defaults, unless &F command used.
* &W1 causes modem to not store parameters.
Xn n = 0,1,2,3 or 4 * X0 selects Basic Result Codes (w/o CONNECT
1200, CONNECT 2400).
X1 selects Extended Result Codes (w/CONNECT
1200, CONNECT 2400).
X2 selects Standard AT Command set with NO
DIAL TONE.
X3 selects Standard AT Command set with BUSY.
X4 selects Standard AT Command set with NO
DIAL TONE and BUSY.
#Xn n= 0 or 1 * #X0 selects single XOFF character sent until XON
level returns.
#X1 selects multiple XOFF characters after buffer
level is full.
Yn n = 0 or 1 * Y0 disables sending or responding to long space
“break”.
Y1 enables sending or responding to long space
“breaks”.
Z All configuration parameters are reset to default
values.
, In Dial Command Causes pause during dialing.
; In Dial Command Causes return to Command Mode after dialing.
! In Dial Command Causes modem to flash On-Hook.
@ In Dial Command Causes modem to wait for ringback, then 5 seconds
of silence before processing next part of command.
+++AT<CR> In-band Escape Sequence. Places modem in
Command Mode while still remaining On-Line. Enter
+++ followed by the letters A and T, up to ten
command characters, and a RETURN.
BREAK AT<CR> Out-of-band Escape Sequence. Places modem in
Command mode while still remaining On- Line.
Enter a BREAK signal, followed by the letters A and
T, up to sixty command characters, and hit
RETURN.
* Factory Default Setting