AT Command Manual MC706 Wireless Module V100R001 Issue 01 Date 2009-09-05 HUAWEI TECHNOLOGIES CO., LTD.
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any assistance, please contact our local office or company headquarters. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Web site: http://www.huawei.com Email: support@huawei.com Copyright © Huawei Technologies Co., Ltd. 2008. All rights reserved.
15.21 NOTICE: Changes or modifications made to this device not expressly approved by Huawei Technologies Co., Ltd. may void the FCC authorization to operate this device. 15.105 NOTE: This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
HUAWEI MC706 Wireless Module AT Command Manual Contents Contents Chapter 1 Basic AT Parameters .............................................................................................1-1 1.1 Command Echo ................................................................................................................. 1-1 1.2 Quiet Results Codes Control ............................................................................................. 1-1 1.3 Result Code Form.................................
HUAWEI MC706 Wireless Module AT Command Manual Contents 5.5 R-SCH Throttling Setting ................................................................................................... 5-4 5.6 DM Baud Rate Control....................................................................................................... 5-5 5.7 Medium Data Rate Control ................................................................................................ 5-6 Chapter 6 Proprietary AT Command Set .....................
HUAWEI MC706 Wireless Module AT Command Manual Chapter 1 Basic AT Parameters 1.1 Command Echo Syntax ATE Parameter The is decimal number corresponding to the option: z 0: Disables command echo z 1: Enables command echo. (Default.) Description The command enables or disables the echo of characters to the DTE. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example ATE1 OK ATE0 OK 1.
HUAWEI MC706 Wireless Module AT Command Manual Parameter The is decimal number corresponding to the option: z 0: Enables result codes to the DTE. (Default.) z 1: Disables result codes to the DTE. Description The command enables or disables the sending of result codes to the DTE. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example ATQ0 OK ATQ1 OK 1.
HUAWEI MC706 Wireless Module AT Command Manual Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example ATV0 OK ATV1 OK 1.4 Soft Reset Syntax ATZ Parameter The is always 0 z If no is specified, zero is assumed. Description This command causes the modem to perform a soft reset. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR.
HUAWEI MC706 Wireless Module AT Command Manual 1.5 Restore Factory Configuration Syntax AT&F Parameter The is always 0 z If no is specified, zero is assumed. Description Same behavior as ATZ. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example AT&F OK AT&F0 OK 1.6 DCD Option Syntax AT&C Parameter The is decimal number corresponding to the selected option: z 0: DCD remains ON at all times.
HUAWEI MC706 Wireless Module AT Command Manual z 2: DCD always on except wink on channel disconnect. Description The modem controls the DCD output in accordance with the parameter supplied. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example AT&C0 OK 1.
HUAWEI MC706 Wireless Module AT Command Manual Example AT&D0 OK 1.8 S-Parameters Syntax ATS? ATS= Parameter The number following the "S" indicates the "parameter number" being referenced. If the number is not recognized as a valid parameter number, an ERROR result code is issued. Immediately following this number, either a "?" or "=" character must appear. "?" is used to read the current value of the indicated S-parameter; "=" is used to set the S-parameter to a new value.
HUAWEI MC706 Wireless Module AT Command Manual S4 - Line Feed Character S4 sets the character recognized as a line feed. The Line Feed control character is output after the Carriage Return control character if verbose result codes are used. Range: 0-127, ASCII decimal Default: 10 (Line Feed) S5 - Backspace Character S5 sets the character recognized as a backspace. The modem will not recognize the Backspace character if it is set to a value that is greater than 32 ASCII.
HUAWEI MC706 Wireless Module AT Command Manual Chapter 2 Extended AT Configuration Commands 2.1 Query minimun capability Syntax AT+GCAP Parameter None Description This extended-format command causes the MT2 to transmit one or more lines of information text in a specific format. The content is a list of additional capabilities command +s, which is intended to permit the user of the MT2 to identify the minimum capabilities of the MT2.
HUAWEI MC706 Wireless Module AT Command Manual 2.2 Query the manufacturer name Syntax AT +GMI Parameter None Description This command causes the T2 to transmit one or more lines of information text,determined by the manufacturer, which is intended to permit the user of the MT2 to identify the manufacturer.
HUAWEI MC706 Wireless Module AT Command Manual Parameter None Description This command causes the MT2 to transmit one or more lines of information text, determined by the manufacturer, which is intended to permit the user of the MT2 to identify the specific model of the device.
HUAWEI MC706 Wireless Module AT Command Manual device. Typically, the text will consist of a single line containing the version of the product, but manufacturers may choose to provide any information desired. Return Value If the command succeeds, the display is: OK Otherwise, the display is ERROR. Example AT+GMR +GMR: S/W VER: QSC6020-APP-3350 1 [Aug 31 2007 01:00:00] OK Application 2.
HUAWEI MC706 Wireless Module AT Command Manual Return Value If the command succeeds, the display is: OK Otherwise, the display is ERROR. Example AT+IFC=3,0 OK Application 2.6 Local Rate Reporting. Syntax AT+ILRR = Parameter z 0 – Mobile Accepts only “OFF” Description This extended-format numeric parameter controls whether the extended-format +ILRR: information text is transmitted from the MT2 to the TE2.
HUAWEI MC706 Wireless Module AT Command Manual OK Application 2.7 Fixed RM Rate Syntax AT+IPR= Parameter RM Rate z 45, 50, 75, 110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Note: Rate (45, 50, 75, 110, 150) is not supported currently. And the serial port of most computers can only supported with rate below 115200bps. So some values won’t be show up when query it.
HUAWEI MC706 Wireless Module AT Command Manual Application 2-7
HUAWEI MC706 Wireless Module AT Command Manual Chapter 3 Fax Parameters 3.1 Service-class Selection Syntax AT+FCLASS= Parameter Value z 0 Class-0 z 1 [Class-1 support unavailable] mobile will return ERROR for +FCLASS=1 z 2 Class-2.0 fax service Description Service-class selection parameter Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR. Example AT+FCLASS=? 0,2.0 OK AT+FCLASS=1 ERROR AT+FCLASS? 2.
HUAWEI MC706 Wireless Module AT Command Manual 3.2 Pass Unrecognized Commands to the IWF Syntax AT+CXT= Parameter value: z 0 – Do not pass unrecognized commands to the IWF. z 1 – When detecting an unrecognized AT command, open transport layer connection and pass unrecognized command to the IWF. Description Pass unrecognized commands to the IWF. Return Value If the command is resolved correctly, the display is OK Otherwise, the display is ERROR.
HUAWEI MC706 Wireless Module AT Command Manual Description Query current Service type Return Value z 0 – If no service is available z 1 – If CDMA Digital service is available z 2 – If TDMA Digital service is available z 3 – If Analog service is available (values 4 to 255 reserved) Example AT+CAD? +CAD: 1 OK 3.
HUAWEI MC706 Wireless Module AT Command Manual Example AT+CDR? +CDR: 0 OK AT+CDR=? +CDR: (0-1) OK AT+CDR=1 OK AT+CDR=2 ERROR 3.5 Um Interface Data Compression Syntax AT+CDS=,,, Parameter z V1,v2,v3,v4 is the version of compression algorithm. Description Um Interface Data Compression.This extended-format compound parameter controls the V.42bis data compression function on the Um interface. Mobile will only accept 0 as a valid setting.
HUAWEI MC706 Wireless Module AT Command Manual AT+CDS=1 ERROR AT+CDS=? +CDS: (0),(1),(512-65535),(6-250) OK AT+CDS=0,1,4096, 7 OK 3.
HUAWEI MC706 Wireless Module AT Command Manual OK AT+CRM =? +CRM: (0-2) OK AT+CRM? +CRM: 0 OK 3-6
HUAWEI MC706 Wireless Module AT Command Manual Chapter 4 CDMA AT Parameter Commands 4.1 Query Serving System. Syntax AT +CSS? Parameter None Description Query Serving System. Return Value +CSS: , , Band Class: z C – The mobile station is registered with a cellular system. z P – The mobile station is registered with a PCS system. Band: z CA – The mobile station is registered with a cellular A-band system. z CB – The mobile station is registered with a cellular B-band system.
HUAWEI MC706 Wireless Module AT Command Manual Example AT+CSS? ?, 14655 OK 4.2 Query Received Signal Quality Syntax AT +CSQ? Parameter None Description Query Received Signal Quality. Returns the Signal Quality Measure and the Frame Error Rate . Return Value +CSQ:, Signal Quality Measure z 0-31 – Signal Quality Measurement (see “Note” below). z 99 – SQM is not known or is not detectable. z All other values are reserved. Frame Error Rate z 0 – <0.01% z 1 – 0.
HUAWEI MC706 Wireless Module AT Command Manual Example AT+CSQ? +CSQ: 31, 99 OK 4-3
HUAWEI MC706 Wireless Module AT Command Manual Chapter 5 Packet Data Service AT Commands 5.1 Set Um Packet Data Inactivity Timer Syntax AT+CTA= AT+CTA=? AT+CTA? Parameter : ranges from 0 to 255 z 0: Traffic Channel not released during inactivity periods. z 1-255: Release the Traffic Channel after 1-second intervals have elapsed since last sending or receiving RLP data frames on the Um interface.
HUAWEI MC706 Wireless Module AT Command Manual OK 5.2 QNC Setting Syntax AT$QCQNC= Parameter z 0: indicates to disable QNC (use Packet Data service option numbers) (default for HSPD builds). z 1: indicates to enable QNC (use Async Data Service Option numbers for Packet Data calls). Description Enable/disable QNC capability. Quick Net Connect (QNC) is a different means of performing basic packet data service.
HUAWEI MC706 Wireless Module AT Command Manual Parameter z : max. multiplex option to use for the Forward link. Valid numbers are 1 to F (hexadecimal). z : max. multiplex option to use for the Reverse link. Valid numbers are 1 and 2. z Default is C,2. z Rules: If A is omitted, it is assumed to have the same value as B. If A is not omitted, its value remains the same as the previous invocation (or the default). A and B must be either both odd or both even.
HUAWEI MC706 Wireless Module AT Command Manual 5.4 SCRM Setting Syntax AT$QCSCRM= Parameter z 0: indicates that Mobile never SCRMs. z 1: indicates that Mobile can SCRM as needed. Description For IS2000 mobiles, this enables/disables the mobile from SCRM’ing. Return Value If the command fails, the display is: ERROR If the command succeeds, the display is: OK Example AT$QCSCRM=0 OK Application Command only applies to SO 33 calls. This value is stored in NV. The default is 1.
HUAWEI MC706 Wireless Module AT Command Manual z 0: indicates that Mobile never throttles R-SCH. z 1: indicates that Mobile can throttle R-SCH as needed. Description For IS2000 mobiles, this enables/disables the mobile from throttling the R-SCH. The R-SCH is throttled when the assigned R-SCH rate is considered “too high” and could over utilize the CPU.
HUAWEI MC706 Wireless Module AT Command Manual Return Value If the command fails, the display is: ERROR If the command succeeds, the display is: OK Example AT$QCDMR=115200 OK 5.7 Medium Data Rate Control Syntax AT$QCMDR= Parameter : ranges from 0 to 3, indicating Medium Data Rate. z 0: indicates MDR Service Only. The mobile will originate with SOS 22 or SO 25. The mobile will not negotiate to any other service option if SO 22 and SO 25 are unavailable.
HUAWEI MC706 Wireless Module AT Command Manual If the command succeeds, the display is: OK Example AT$QCMDR=3 OK 5-7
HUAWEI MC706 Wireless Module AT Command Manual Chapter 6 Proprietary AT Command Set 6.1 Transition To Diagnostics Monitor (DM) Operation Syntax AT $QCDMG Parameter None Description This command will return “OK” and then transition the phone serial port to DM mode. DM mode runs at 38.4 Kbps and uses a proprietary half-duplex protocol. Return Value If the command fails, the display is: ERROR If the command succeeds, no display.
HUAWEI MC706 Wireless Module AT Command Manual 6.2 Protocol Revision In Use Syntax AT$QCPREV Parameter None Description This command will get the Protocol revision in use. Return Value Returns one of the following codes: z 1: JSTD008, 3: IS_95A, 4: IS_95B, 6: IS_2000 Example AT$QCPREV 6 6.3 Dump Configuration Parameters Syntax AT&V Parameter None Description This command will dump the status of all AT parameters.
HUAWEI MC706 Wireless Module AT Command Manual Return Value status of all AT parameters.
HUAWEI MC706 Wireless Module AT Command Manual Description This command will Set Data Service Option number set; saves to non-volatile memory. Return Value If the command fails, the display is: ERROR If the command succeeds, the display is: OK. Example AT$qcso=2 ok 6.5 Clear Mobile Error Log Syntax AT$QCCLR Parameter None Description This command will clear the mobile error log. Return Value If the command fails, the display is: ERROR If the command succeeds, the display is: OK.
HUAWEI MC706 Wireless Module AT Command Manual Example AT$QCCLR $QCCLR: OK 6-5
