| Chapter 3 - AT Commands, |
|
|
X7 | Display CONNECT or “1” for all speeds. Check dial tone and busy tone. |
Zn | Recall stored profile. |
Z0 | Reset and recall user profile 0. Either Z0 or Z1 restores the same single profile. |
Extended “AT&” (Ampersand) Command Set (* indicates factory default setting) | |
Command | Function |
&Cn | Data carrier detect option |
&C0 | State of carrier from remote modem is ignored. DCD circuit is always on. |
&C1 * | DCD turns on when the remote modem’s carrier signal is detected, and off when the |
| carrier signal is not detected. |
&Dn | Data Terminal Ready (DTR) option |
&D0 | DTR ignored |
&D1 | Go to command mode on |
&D2 * | Hang up and go to command mode on |
| disabled if DTR is low. |
&D3 | Hang up and reset from user profile 0 on the |
&F | Recall factory default setting as active configuration. |
&Gn | V.22bis guard tone option |
&G0 * | No guard tone |
&G1 | 550 Hz guard tone |
&G2 | 1800 Hz guard tone |
&Kn | Set local flow control |
&K0 | Disable flow control |
&K3 * | Enable |
&K4 | Enable |
&Pn | Pulse dialing make/break ratio selection |
&P0 | Make=39%, Break=61%, international version (Default) |
| Make=33%, Break=67% for use in 20 pps, Japanese version |
&P1 | Make=33%, Break=67%, international version |
| Make=33%, Break=67% for use in 10 pps, Japanese version (Default) |
&Qn | Async communications mode options |
&Q0 | Async mode, buffered (same as “AT\N0”) |
&Q5 * | Error control mode, buffered (same as “AT\N3”) |
&Q8 | MNP error control mode. If an MNP error control protocol is not established, the |
| modem will fallback according to the current setting in S36 register. |
&Q9 | V.42 or MNP error control mode. If neither error control protocol is established, the |
| modem will fallback according to the current setting in S36 register. |
&Sn | Data Set Ready (DSR) option |
MT5634ZLX/FE | 39 |
