參數(shù)資料
型號： SI2494-A-GM
廠商： Silicon Laboratories Inc
文件頁數(shù)： 38/70頁
文件大小： 0K
描述： IC ISOMODEM 56KBPS 38-QFN
標準包裝： 364
系列： *
Si2494/39
Rev. 1.0
43
&Xn
Automatic determination of telephone line type.
&X0
Abort &x1 or &x2 command.
&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.
&Z
Enter low-power wake-on-ring mode.
Table 11. Extended AT& Command Set (Command Defaults in Bold) (Continued)
Command
Action
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SI2494-A-GMR 制造商:Silicon Laboratories Inc 功能描述:56 KBPS, V.92 ISOMODEM +VOICE SYSTEM-SIDE - LEAD-FREE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC ISOMODEM 56KBPS 38-QFN
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