O_ | O0 | Return to Data Mode |
| O1 | Return to Data Mode and initiate an |
|
| equalizer retrain |
PSet Pulse dial as default
Q_ | Q0 | Modem sends responses |
| Q1 | Modem does not send responses |
Sr? |
| Read and display value in register r. |
Sr=n |
| Set register r to value n (n = |
T |
| Set Tone Dial as default |
V_ | V0 | Numeric responses |
| V1 | Word responses |
W_ | W0 | Report DTE speed only |
| W1 | Report line speed, error correction |
|
| protocol, and DTE speed. |
| W2 | Report DCE speed only |
X_ | X0 | Hayes Smartmodem 300 compatible |
|
| responses/blind dialing |
| X1 | Display connect message according to |
|
| AT\V, blind dial, and ignore busy tone. |
| X2 | Same as X1 plus dial tone detection |
| X3 | Same as X1 plus busy detection/blind |
|
| dialing |
| X4 | All responses and dial tone and busy |
|
| signal detection |
| X5 | Same as X4 |
| X6 | Same as X4 |
| X7 | Same as X0 plus dial tone and busy |
|
| signal detection |
Y_ | Y0 | Modem does not send or respond to |
|
| break signals |
| Y1 | Modem sends break signal for four |
|
| seconds before disconnecting |
Z_ | Z0 | Reset and retrieve active profile 0 |
| Z1 | Reset and retrieve active profile 1 |
3.4 | Extended AT Commands | |
&C_ | &C0 | Force Carrier Detect Signal High (ON) |
| &C1 | Turn on CD when remote carrier is |
|
| present |
&D_ | &D0 | Modem ignores the DTR signal |
| &D1 | Modem returns to Command Mode after |
9
