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| 型号： | SI2457-D-GT |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 15/60页 |
| 文件大小： | 0K |
| 描述： | IC ISOMODEM GLOBAL DAA 24TSSOP |
| 标准包装： | 62 |
| 系列： | * |
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Si2457/34/15/04
22
Rev. 1.3
Table 8. Basic AT Command Set (Command Defaults in Bold)
Command
Action
$
Display AT command mode settings.
A
Answer incoming call
A/
Re-execute last command. This is the only command not preceded by “AT” or followed by a
<CR>.
Dn
Dial
The dial command, followed by 1 or more dial command modifiers, manually dials a phone
number:
Modifier
Function
! or &
Flash hook switch for FHT (U4F) ms (default: 500 ms)
, or <
Pause before continuing for S8 seconds (default:
2 seconds)
;
Return to AT command mode
@
Wait for silence.
G
Polarity reversal detect. By placing the “G” character in
the dial string (i.e. ATDTG1), the Si2457/34/15/04 will
monitor the telephone line for polarity reversals. If a
busy tone is detected, the Si2457/34/15/04 will report
“POLARITY REVERSAL” if a polarity reversal was
detected or “NO POLARITY REVERSAL” if a polarity
reversal was not detected. In each case, the result
code is followed by “OK”. If the S7 timeout occurs
before a busy tone is detected, the Si2457/34/15/04 will
report “NO CARRIER”. Polarity reversal monitoring
begins after the last digit is dialed and ends when the
busy tone is detected or S7 timeout occurs.
Note: It is not possible to establish a modem connection
when using this command.
L
Redial last number.
P
Pulse (rotary) dialing—pulse digits: 0, 1, 2, 3, 4, 5, 6, 7,
8, 9
T
Tone (DTMF) dialing—DTMF digits: *, #, A, B, C, D, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9.
W
Wait for dial tone before continuing for S14 seconds
(default: 12 seconds). Blind dialing modes X0, X1 and
X3 do not affect the W command.
If the DOP bit (U7A, bit 7) is set, the “ATDTW” com-
mand will cause the ISOmodem to pause dialing and
either report an “OK” if a dialtone is detected or “NO
DIALTONE” if a dial tone is not detected.
En
Local DTE echo
E0
Disable
E1
Enable
Hn
Hook switch.
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相关代理商/技术参数 |
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| SI2457-D-GTR | 制造商:Silicon Laboratories Inc 功能描述:56 KBPS, V.90 ISOMODEM SYSTEM- 制造商:Silicon Laboratories Inc 功能描述:56 KBPS, V.90 ISOMODEM SYSTEM-SIDE - LEAD-FREE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC ISOMODEM GLOBAL DAA 24TSSOP 制造商:Silicon Laboratories Inc 功能描述:56 kbps V90 ISOmodem System-Side PBF |
| Si2457FS08-EVB | 功能描述:网络开发工具 16-pin Si2457+Si3008 ISOmodem Eval Board RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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| SI2457-FT | 功能描述:电信线路管理 IC CONTACT SILICON LABS FOR AVAILABILITY RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| Si2457FT08-EVB | 功能描述:网络开发工具 24-pin Si2457+Si3008 ISOmodem Eval Board RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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