68 | AT Commands | |
AT command formats | ||
| ||
&Pn Select Pulse Dial Make/Break Ratio | ||
| &P0 | Selects 39% - 61% make/break ratio at 10 |
|
| pulses per second. |
| &P1 | Selects 33% - 67% make/break ratio at 10 |
|
| pulses per second. |
| &P2 | Selects 33% - 67% make/break ratio at 20 |
|
| pulses per second. |
| Result Codes: | |
| OK | n=0 to 2 |
| ERROR Otherwise |
&Tn Self-test commands
These tests can help to isolate problems if you experience periodic data loss or random errors.
&T0 | Abort. Stops any test in progress. |
&T1 | Local analog loopback test, V.56 Loop 3. This |
| test verifies modem operation, as well as the |
| connection between the modem and computer. |
| If the modem is online when this command is |
| issued, the modem hangs up. |
Result Codes:
OK n=0
CONNECT n=1
ERROR Otherwise