Huawei MC706 User Manual
AT Command Manual
MC706 Wireless Module
V100R001
Issue
Date
01
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 right s reserved .
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trad emarks and Permis sions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute the warranty of any kind, express or implied.
FCC Statement
15.19
NOTICE:
This device complies with Part 15 of the FCC Rules.Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and 2) This device must accept any
interference received, including interference that may cause undesired operation.
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. This device generates uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will
not occur in a particular installation. If this device does cause harmful interference to radio or
television reception, which can be determined by connecting or disconnecting the device to a PC, the
user is encouraged to try to correct the interference by adopting one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the distance between the device and the receiver.
Connect the device to an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio or TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this device.
This device is intended for OEM integrators only.
Host system must be labeled with "Contains FCC ID: QISMC706", FCC ID displayed on label.
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from
all persons.
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.............................................................................................................. 1-2
1.4 Soft Reset..........................................................................................................................1-3
1.5 Restore Factory Configuration...........................................................................................1-4
1.6 DCD Option........................................................................................................................1-4
1.7 DTR Option........................................................................................................................ 1-5
1.8 S-Parameters.....................................................................................................................1-6
Chapter 2 Extended AT Configuration Commands.................................................................2-1
2.1 Query minimun capability .................................................................................................. 2-1
2.2 Query the manufacturer name...........................................................................................2-2
2.3 Query Model Number ........................................................................................................ 2-2
2.4 Query minimun capability .................................................................................................. 2-3
2.5 Local Flow Control.............................................................................................................2-4
2.6 Local Rate Reporting.........................................................................................................2-5
2.7 Fixed RM Rate.................................................................................................................... 2-6
Chapter 3 Fax Parameters .....................................................................................................3-1
3.1 Service-class Selection...................................................................................................... 3-1
3.2 Pass Unrecognized Commands to the IWF ...................................................................... 3-2
3.3 Query Current Service Type..............................................................................................3-2
3.4 Um Interface Data Compression Reporting....................................................................... 3-3
3.5 Um Interface Data Compression ....................................................................................... 3-4
3.6 Set Rm Interface Protocol.................................................................................................. 3-5
Chapter 4 CDMA AT Parameter Commands..........................................................................4-1
4.1 Query Serving System....................................................................................................... 4-1
4.2 Query Received Signal Quality..........................................................................................4-2
Chapter 5 Packet Data Service AT Commands......................................................................5-1
5.1 Set Um Packet Data Inactivity Timer................................................................................. 5-1
5.2 QNC Setting.......................................................................................................................5-2
5.3 Multiplex Option Control .................................................................................................... 5-2
5.4 SCRM Setting....................................................................................................................5-4
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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................................................................................6-1
6.1 Transition To Diagnostics Monitor (DM) Operation...........................................................6-1
6.2 Protocol Revision In Use ................................................................................................... 6-2
6.3 Dump Configuration Parameters.......................................................................................6-2
6.4 Set Data Service Option Number Set................................................................................ 6-3
6.5 Clear Mobile Error Log....................................................................................................... 6-4
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HUAWEI MC706 Wireless Module AT Command Manual
Chapter 1 Basic AT Parameters
1.1 Command Echo
Syntax
ATE<n>
Parameter
The <n> 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
1.2 Quiet Results Codes Control
Syntax
ATQ<n>
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HUAWEI MC706 Wireless Module AT Command Manual
Parameter
The <n> 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
1.3 Result Code Form
Syntax
ATV<n>
Parameter
The <n> is decimal number corresponding to the option:
z 0: Enables short-form (terse) result codes. Line feed
is not issued before a short-form result code.
z 1: Enables long-form (verbose) result codes.
(Default.)
Description
This command selects the sending of short-form or long-form result codes to the
DTE.
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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<n>
Parameter
The <n> is always 0
z If no <value> 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.
Example
ATZ
OK
ATZ0
OK
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HUAWEI MC706 Wireless Module AT Command Manual
1.5 Restore Factory Configuration
Syntax
AT&F<n>
Parameter
The <n> is always 0
z If no <value> 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<n>
Parameter
The <n> is decimal number corresponding to the selected option:
z 0: DCD remains ON at all times.
z 1: DCD ON in accordance with the specified service.
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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
1.7 DTR Option
Syntax
AT&D<n>
Parameter
The <n> is decimal number corresponding to the selected option:
z 0: Ignore DTR
z 1: For async service, modem enter online command state following
ON-to-OFF transition of DTR; for pkt service, modem end call following
On-to-Off transition of
z DTR;
z 2: End call following On-to-Off transition of DTR.
Description
This command interprets the ON to OFF transition of the DTR signal from the
DTE in accordance with the parameter supplied.
Return Value
If the command is resolved correctly, the display is OK
Otherwise, the display is ERROR.
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HUAWEI MC706 Wireless Module AT Command Manual
Example
AT&D0
OK
1.8 S-Parameters
Syntax
ATS<n>?
ATS<n>=<value>
Parameter
The number <n> 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.
S-Parameter definitions
S0 - Number of Rings to Auto-Answer
S0 sets the number of the rings required before the modem automatically
answers a call. the autoanswer function pertrains to Async and Fax services only.
Setting this parameter to zero disables auto-answer mode.
<value>Range: 0-255 rings
Default: 0
S3 - Carriage Return Character
S3 sets the command line and result code terminator character
Range: 0-127, ASCII decimal
Default: 13 (Carriage Return)
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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.
Range: 0-32, ASCII decimal
Default: 8 (Backspace)
Description
Reports the value of an S-Parameter or performs an S-Parameterwrite function.
Return Value
If the command is resolved correctly, the display is OK
Otherwise, the display is ERROR.
Example
ATS0=3
OK
ATS0?
3
OK
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