Appendix A. AT Commands and S-Registers
AT Commands List
(Type
and then type the command.)
AT
Command
Function
Answer. Places the Express 3100 in answer mode.
A
Current date in the format of DDMMYY.
!DAY
Initiate the flash software update. The terminal must be set for
!FLASHLOAD
57,600 bps, 8 data bits, no parity, and 1 stop bit.
Displays the Calling Party name from the last call on POTS port 1.
!NAME1
Displays the Calling Party name from the last call on POTS port 2.
!NAME2
Displays the Calling Party number from the last call on POTS port 1.
!NUMBER1
Displays the Calling Party number from the last call on POTS port 2.
!NUMBER2
Displays Status Buffer.
!S
Displays Link Status.
!S1
Current time in the format of HHMMSS.
!TIME
Configuration Menu.
!V
Detect a modem connected to the Express 3100.
!Z
Dial. Precedes the telephone access number [ATD5551212].
D
Hang up. Disconnects the current call.
H
Identify unit. Commands the unit to display model number.
I0
Identify software. Commands the unit to display software version.
I1
On-line. Commands the unit to go back on line.
O
S Register.
S
S String register.
SS
Displays the contents of all S registers.
&V
Reset. Resets the AT command processor.
Z
Save. Save current configuration to EEPROM.
&W
Break in. Break in AT command processor during an active call.
+++
The break in key is defined in S2.
Resets unit.
_Z
Restores factory defaults.
_F
A-4
Express 3100 User Manual
61200240L2-20
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