User Guide Modem 3460

3460 Fast’R
3-8
AT Commands for Modem Tasks
AT Action Commands
AT commands for performing basic functions are as follows.
Sync Idle AT
*
V11=Char
1
AT
*
V11=Char
1
V.25 Response AT
*
VR1=V.25bis
1
AT
*
VR1=V.25bis
1
Table 3-2. AT Commands to Manage Option Sets
To...
Enter This
Command:
Load Option Set 1 into modem memory ATZ0 or ATZ1
Load Option Set 2 into modem memory ATZ 2
Specify that the modem loads Option Set 1 into
memory at subsequent power-ups
AT& Y1
Specify that the modem loads Option Set 2 into
memory at subsequent power-ups
AT& Y2
Specify that the modem loads the last-saved option
set (AT&W) at subsequent power-ups
AT& Y0
Save the active configuration into Option Set 1 AT&W0 or AT&W1
Save the active configuration into Option Set 2 AT& W2
Table 3-3. AT “Action” Commands
Command & Option Description
+++ Enter Local Escape Mode
##### Enter Remote Escape Mode
A/ Re-Execute Last Command
*The contents of the following S-registers are not automatically saved when
power is removed: 0, 1, 2, 3, 4, 5, 41, 42. To retain values, save them to an
option set. (S-Registers are storage areas for some parameter options.)
Table 3-1. Option-Set Default Options
(continued)
Command
Pre-Configured Default Option
Option Set 1
(Asynchronous)
Option Set 2
(Synchronous)
Parameters and options shown shaded gray vary by country. For details, refer
to Appendix B of the 3460 Fast’R Reference Guide.
1
Parameter option does not affect normal operation.