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| 型号： | MT9234MU-CDC-CP |
| 厂商： | Multi-Tech Systems |
| 文件页数： | 30/66页 |
| 文件大小： | 0K |
| 描述： | MODEM V.92 DATA/FAX USB WORLD 25 |
| 标准包装： | 1 |
| 系列： | MultiMobile™ USB |
| 数据格式： | V.34，V.92 |
| 安装类型： | 台式 |
| 封装/外壳： | 3.1" L x 1.3" W x 1.0" H（80mm x 30mm x 25mm） |
| 包装： | 散装 |
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Chapter 1 – AT Commands, S-Registers, and Result Codes
Reports :
+IPR?
+IPR=?
Reports current or selected options.
Reports supported options.
Result Code:
+ITF
Description:
Syntax:
Reports :
OK
Transmit Flow Control Threshold
Use this command to set the flow control thresholds. The <off> parameter represent
the off signal threshold in octets. When this threshold is reached the DCE generates
a flow off signal. The <on> parameter represents the on signal threshold in octets.
When the volume of data resident on the DCE goes below this value the DCE
generates a flow on signal.
AT+ITF=<off>,<on>
+ITF? Reports current or selected options.
+ITF=?
Reports supported options.
Result Code:
+MR
Description:
Syntax:
Values:
Reports :
Result Code:
+MS
Description:
OK
ERROR
Modulation Reporting Control
Use this command to hide or display the modulation report. When the modulation
report is enabled, the DCE transmits the +MRR: <rate>, <rx_rate> and the
+MCR:<carrier> intermediate result codes to the DTE.
The <carrier> reported is the current modulation; for example, V.34.
The <rate> reported is the transmit rate in bits per second or is zero if negotiation
fails.
The <rx_rate> is the receive channel rate and is only reported when different receive
and transmit rates have negotiated.
The intermediate result codes are transmitted after the modulation and the rate have
been determined and before any error control or data compression reports or the final
result code (e.g., CONNECT) is transmitted.
AT+MR=<value>
+MR=0 Turns off the modulation report.
+MR=1 Turns on the modulation report.
+MR? Reports current or selected options.
+MR=? Reports supported options.
OK
ERROR
Modulation Selection
Sets the modem’s modulation, the modulation minimum and maximum transmission
rates, and the status of automatic modulation negotiation (automode). The <carrier>,
<min_rate>, and <max_rate> parameters define the modulation and its minimum and
maximum transmission rates. <min_rx_rate> and <max_rx_rate> define the minimum
and maximum reception rates. The minimum transmission and reception rates are
always set to 0.
The <automode> parameter enables or disables automatic modulation negotiation. If
a subsequent +MA command is not provided, the automode parameters are
constrained by the modulation set by the <carrier> parameter. The +MA command
can further restrict the automatic modulation negotiation settings but it cannot set a
modulation that is higher than the modulation set by the +MS command.
Once a modulation is selected by the +MS command, the autorate in both directions
and the automode is activated unless <max_rate> is specified by in the command.
The settings of this command overwrite the settings of S28 and S37. Likewise,
changes to these registers overwrite the settings of the +MS command.
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)
30
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MT9234MU-CDC-XR | 功能描述:MODEM V.92 DATA/FAX USB WORLD RoHS:是 类别:计算机，办公室 - 元件，配件 >> 调制解调器 系列:MultiMobile™ USB 标准包装:1 系列:MultiModem® ZBA 数据格式:V.34，V.92 波特率:- 电源电压:- 安装类型:台式 封装/外壳:5.7" L x 4.3" W x 1.0" H（145mm x 109mm x 25mm） 供应商设备封装:- 包装:散装 |
| MT9234MU-CDC-XR-CP | 制造商:Multi-Tech Systems 功能描述:V.92 DATA/FAX WORLD MODEM (USB) (25 MODEMS) - Bulk |
| MT9234SMI | 制造商:MULTI TECH SYSTEM 功能描述: |
| MT9234SMI-92 | 功能描述:拨号模块 V.92 Serial Data V.34 FAX - 5V RoHS:否 制造商:Multi-Tech Systems 产品:Data / Fax Modems 最大数据速率:56 kbps 存储类型:Flash 接口类型:Serial 工作电源电压:3.3 V 工作电源电流:95 mA 功耗:310 mW 最大工作温度:+ 70 C 尺寸:64.5 mm x 26.5 mm x 17 mm |
| MT9234SMI-92.R1 | 功能描述:拨号模块 V.92 Serial Data V.34 Fax 5V RoHS:否 制造商:Multi-Tech Systems 产品:Data / Fax Modems 最大数据速率:56 kbps 存储类型:Flash 接口类型:Serial 工作电源电压:3.3 V 工作电源电流:95 mA 功耗:310 mW 最大工作温度:+ 70 C 尺寸:64.5 mm x 26.5 mm x 17 mm |
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