52
SECURE RACK MODEM
• The maximum command length is 40 characters. This does not include the
AT prefix, carriage returns, or spaces.
•
Defaults are marked with an asterisk (*)
.
Command
Function/Options
AT
Attention command. Required prefix for all modem commands.
Not required for the
A/
command or
+++
command.
A/
Re-execute last command. Used mainly to redial. Does not
require the AT prefix or a carriage return.
A
Manual answer. Goes off hook in answer mode.
B
n
CCITT or Bell operation.
B0
Selects CCITT operation at 300 or 1200 bps.
*B1
Selects Bell operation at 300 or 1200 bps.
C
n
Transmit carrier signal.
C0
Not supported.
C1
Enable transmit carrier signal.
D
n
Dial command. Dials the specified phone number. Can also
include the following command options:
*
Dials the “star” digit (tone dialing only).
#
Dials the “pound” digit (tone dialing only).
L
Re-dials last number dialed.
P
Pulse (rotary) dial mode. 10 pulses per second.
T
Tone dial mode (DTMF).
W
Wait for dial tone (1 to 255 seconds, default =
50 sec.)
,
(Comma) Pause. Modem will pause for time
period specified by register S8 before dialing
(0 to 255 seconds; default is 2 seconds)
@
Wait for quiet answer.
!
(Exclamation point) Flashes the switch hook.
;
(Semicolon) Return to command mode after
dialing.