W_ | W0 | Report DTE speed only |
| W1 | Reportlinespeed,errorcorrectionprotocol, |
|
| and DTE speed. |
| W2 | Report DCE speed only |
X_ | X0 | Hayes Smartmodem 300 compatible |
|
| responses/blind dialing. |
| X1 | SameasX0plusallCONNECTresponses/ |
|
| blind dialing |
| 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 |
Y_ | Y0 | Modem does not send or respond to |
|
| break signals |
| Y1 | Modemsendsbreaksignalforfourseconds |
|
| 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 |
|
| DTR toggle |
| &D2 | Modemhangs up, returns to theCommand |
|
| Mode after DTR toggle |
| &D3 | Resets modem after DTR toggle |
&F_ | &F | Recall factory default configuration |
&G_ | &G0 | Guard tone disabled |
| &G1 | Guard tone disabled |
| &G2 | 1800 Hz guard tone |
&K_ | &K0 | Disable flow control |
| &K3 Enable RTS/CTS hardware flow control | |
| &K4 | Enable XON/XOFF software flow control |
| &K5 | EnabletransparentXON/XOFFflowcontrol |
| &K6 | Enable both RTS/CTS and XON/XOFF |
|
| flow control |
&L_ | &L0 | Modem is set up for |
&M_ | &M0 | Asynchronous operation |
&P_ | &P0 | US setting for |
| &P1 | UK and Hong Kong |
9
