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Appendix D - AT Command Summary
RF300E/RF310E 135
Command: Sr?
Function: Read S-register
Unit: Varies
Range: r varies
Default: n/a
Description: Use the Sr? command to read the value of an S-register, where r is the number of
the S-register. For example, ATS7?<CR> gives the current setting of S-register 7.
The L6 command gives a summary of all S-registers and their current settings.
Section D.2 contains the complete list of S-registers and their descriptions. Table D-2
gives a summary of the available S-registers.
Command: Vn
Function: Terse/Verbose Result Codes
Unit: Decimal ASCII code
Values: n=0—enable terse result codes,
n=1—enable verbose result code
Default: V1 (Verbose)
Description: Use the Vn command to control whether the TA’s result codes are displayed as digits
(terse) or as words (verbose). Use the Qn command to enable or disable the display
of result codes.
Command: &Wn
Function: Store Active Profile
Unit: Decimal ASCII code
Values: n=0—Stores all current AT command and S-register values in nonvolatile random
access memory (NVRAM) and configures the TA so that it reads your custom
settings in NVRAM when the modem is turned on or when it is reset with the Z
command. (The &F reset command continues to read the factory default settings in
ROM.)
n=1—Erases custom settings in NVRAM the next time the TA is turned off or reset,
causing the TA to read the factory default settings in ROM whenever it is turned on or
reset.
n-2—Clear all defaults (TA port 1 and TA port 2).
Default: &W1 (Use factory default profile)
Description: The &Wn command stores your active profile, or configuration, in memory so you
won’t lose your custom settings when you turn off the TA or reset it.
Command: Xn
Function: Connect Messages
Unit: Decimal ASCII code
Values: n=0—Enables messages OK, CONNECT, RING, NO CARRIER, and ERROR (terse
result codes 0-4).
n=1—Enables all messages except BUSY (terse result codes 0-5, 10-14, 17-19, 28,
and 32). If a call is placed to a busy line, the message NO CARRIER is displayed.
n=2—Enable all messages (terse result codes 0-5, 7, 10-14, 17-19, 28, and 32).
n=3—Enables all messages except it does not print the protocol messages.
n=4—Disable printing Calling Line Identification (CLI) at the end of the CONNECT
message line. This command does not affect X0, X1, or X2.
n=5—Enable printing Calling Line Identification (CLI) at the end of the CONNECT
message line. This command does not affect X0, X1, or X2.
Default: X2 (Enable all messages) and
X4 (Disable printing CLI with CONNECT message)
Description: Use the Xn command to select which result code messages the TA sends to the
computer/terminal.