Silicon Laboratories Si2415 Dokumentacja Pobierz pdf (Strona 32)

Si2457/34/15/04

32 Rev. 1.3

&X1

Automatic determination of telephone line type.

Result code: WXYZn

W: 0 = line supports DTMF dialing.

1 = line is pulse dial only.

X: 0 = line supports 20 pps dialing.

1 = line supports 10 pps dialing only.

Y: 0 = extension network present (PBX).

1 = outside line (PSTN) connected directly.

Z: 0 = continuous dialtone.

1 = make-break dialtone.

n: 0–9 (number required for outside line if Y = 0).

Note: The initial number attempted for an outside line is controlled in S51.

&X2

Same as &X1, but Y result (PBX) is not tested.

Y2A

Produce a constant answer tone (ITU-T) and return to command mode. The answer tone continues

until the ATH command is received or the S7 timer expires.

Enter low-power wake-on-ring mode.

Table 9. Extended AT& Command Set (Command Defaults in Bold) (Continued)

Command Action

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 59 60

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Silicon Laboratories Si2415 Dokumentacja Strona 32