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AT Command Set and S-Registers
13-53980-A2-GB30-40 October 1998
Table 13-1
(3 of 15)
3800
Plus
AT Commands
AT Command Front Panel BranchDescription
DS=
n
Dial Stored Number
Dials the number stored in Location
n
(1–10). (To store a telephone
number, refer to the &Z
n=x
command.)
If any character is received from the DTE before the modem goes online,
the dial sequence is aborted. This is known as any-key abort.
Call Setup\Dial\
Dial Directory:
E
n
Command Character Echo
E0 Disables echo to the DTE.
E1 Enables echo to the DTE.
Configure\Edit\
DTE Dialer
H
n
Hook Switch Control
H0 Modem goes on-hook.
H1 Modem goes off-hook.
H0: Call
Setup\Disconnect
or
Control\Remove Make
Busy
H1: Control\ Make Busy
I
n
Identification
I0 Displays product code; default is 144.
I1 Displays 3-digit firmware revision number.
I2 Performs an EPROM check.
I3 Displays the modem’s serial number.
I4 Displays the modem’s model number. The model number of a
3810
Plus
begins with 3980. The model number of a 3811
Plus
begins with 3981.
I5 Displays the part number of the circuit card.
I6 Displays the firmware release number.
I9 Displays 3-digit firmware revision number (same as I1).
I10=
n
Changes the value of the product code displayed by the
I0 command;
n
is a number from 0 to 4:
I10=0 sets product code to 144
I10=1 sets product code to 240
I10=2 sets product code to 480
I10=3 sets product code to 960
I10=4 sets product code to 120
I11 Performs a checksum of the modem’s firmware and displays the
results in hexadecimal. (There is no DCP equivalent of this
command.)
I19 Displays the entire firmware revision level.
Status\Identity
L
n
Speaker Volume
L0 Selects low volume.
L1 Selects low volume.
L2 Selects medium volume
L3 Selects high volume.
Control\Speaker
Configure\Edit\Misc
M
n
Speaker On/Off
M0 Speaker always off.
M1 Speaker on until carrier signal is detected.
M2 Speaker always on.
Control\Speaker
Configure\Edit\Misc
O Return to Online or Data Mode
Returns modem to Data mode from Online Command mode.
None