Multitech MultiModem ZBA Series At Commands Reference Manual page 15

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Multi-Tech Systems, Inc. AT Commands for the MT5634 Family of Products (S000272J)
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%DTn Set Command Mode Time
0-255 in 1 second increments
0
Sets the length of time that the command mode will be disabled when set for %DC1 (the
modem ignores AT commands).
%En Fallback and Fall Forward Control
n = 0, 1, or 2
2
%E0 Disables fallback and fall-forward.
%E1 Enables fallback, disables fall-forward.
%E2 Enables fallback and fall-forward.
%Hn Direct Connect Enable
n = 0, 1
0
%H0 Sets callback security to normal operation.
%H1 All callback security calls will be direct connect regardless of whether the password
or phone number has the - character.
%Rn Cisco Configuration
n = 0, 1
0
%R0 Disables Cisco configuration.
%R1 Sets E0, Q1, &D0, \N0, $SB9600, and %S1 for operation with a Cisco router.
%Sn Command Speed Response
n = 0, 1
0
%S0 Sets modem to respond to AT commands at all normal speeds.
%S1 AT commands accepted at 115200 bps only. Other speeds are ignored.
$Dn DTR Dialing
n = 0 or 1
0
$D0 Disables DTR dialing.
$D1 Dials the number in memory location 0 when DTR goes high.
$EBn Asynchronous Word Length
n = 0 or 1
0
$EB0 Enables 10-bit mode.
$EB1 Enables 11-bit mode.
$FC Quick Connect
n = 0, 1, or 2
0
Sets quick connect
AT$FC<value>
$FC0 - No quick connect
$FC1 - Sets quick connect speed at 1200
$FC2 - Sets quick connect speed at 2400
$LB Long Break
0-255 in 10 ms increments
30 (300 ms break)
Sets the length of a long break transmitted by the modem if set up by the modem.
Chapter 1 – AT Commands
15