AT Commands for CX930xx Modem Reference Manual Doc. No.
AT Commands for CX930xx Modem Reference Manual Revision Record Revision A B Date 9/28/2005 4/6/2006 Comments Initial release. Rev. B release. © 2005, 2006 Conexant Systems, Inc. All Rights Reserved. Information in this document is provided in connection with Conexant Systems, Inc. (“Conexant”) products. These materials are provided by Conexant as a service to its customers and may be used for informational purposes only. Conexant assumes no responsibility for errors or omissions in these materials.
AT Commands for CX930xx Modem Reference Manual Contents Revision History............................................................................................................................................. x 1 Introduction..........................................................................................................................................1-1 1.1 1.2 2 Overview ....................................................................................................................
AT Commands for CX930xx Modem Reference Manual 2.6 2.7 Executing Commands..................................................................................................................................................... 2-8 2.6.1 Aborting Commands ...................................................................................................................................... 2-8 2.6.2 Handling of Invalid Numbers and S-Parameter Values ...............................................................
AT Commands for CX930xx Modem Reference Manual &S - DSR Override ............................................................................................................................... 3-26 +IPR - Fixed DTE Rate .......................................................................................................................... 3-27 +IFC - DTE-Modem Local Flow Control ................................................................................................ 3-28 3.2.
AT Commands for CX930xx Modem Reference Manual 3.2.7 Synchronous Access Mode Commands....................................................................................................... 3-74 +ESA - Configure Synchronous Access Submode ............................................................................... 3-74 3.2.8 +ITF - Transmit Flow Control Thresholds ............................................................................................. 3-76 Diagnostic Commands .....................
AT Commands for CX930xx Modem Reference Manual S21 - V.24/General Bit Mapped Options Status.................................................................................. 3-102 S22 - Speaker/Results Bit Mapped Options Status ............................................................................ 3-103 S23 - General Bit Mapped Options Status .......................................................................................... 3-104 S24 - Sleep Inactivity Timer ...................................
AT Commands for CX930xx Modem Reference Manual 4.2.3 +FRH - Receive Data with HDLC Framing............................................................................................. 4-12 Service Class 1 Parameters.......................................................................................................................... 4-13 +FAR - Adaptive Reception Control ......................................................................................................
AT Commands for CX930xx Modem Reference Manual Tables Table 3-1. Result Codes.................................................................................................................................................... 3-19 Table 3-2. Supported V.80 Commands............................................................................................................................. 3-31 Table 3-3. +MS Command Supported Rates ............................................................................
AT Commands for CX930xx Modem Reference Manual Revision History Incorporated in Doc. No. 102752A Initial release. Incorporated in Doc. No. 102752B Section 3.2.8: General revision.
AT Commands for CX930xx Modem Reference Manual 1 Introduction 1.1 Overview This manual describes the host command and responses for the Conexant® CX930xx modem. 1.1.1 Command Syntax The fundamental DTE interface command syntax is described in Section 2. 1.1.2 Command Descriptions Commands are grouped into the following categories: Syntax and procedures Data commands Voice Pass-Through commands 1.2 Section 2 Section 3 Section 4 Reference Documentation Document Title CX93010 UCMxx USB V.92/V.
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AT Commands for CX930xx Modem Reference Manual 2 Syntax and Procedures The command and response syntax and procedures generally conform to referenced recommendations and standards.
AT Commands for CX930xx Modem Reference Manual 2.2.2 Command Line Editing The character defined by parameter S5 (default, BS) is interpreted as a request from the DTE to the modem to delete the previous character. Any control characters (IA5 0/0 through 1/15, inclusive) that remain in the command line after receipt of the termination character are ignored by the modem.
AT Commands for CX930xx Modem Reference Manual 2.3 Basic Syntax Commands 2.3.1 Basic Syntax Command Format The format of Basic Syntax commands, except for the D and S commands, is as follows: [] where is either a single character, or the "&" character followed by a single character per V.250. In addition, can be the "%" character followed by a single character, the "*" character followed by a single character, or the "^" character followed by a single character.
AT Commands for CX930xx Modem Reference Manual 2.4 Extended Syntax Commands 2.4.1 Command Naming Rules Both actions and parameters have names, which are used in the related commands. Names always begin with the character “+” or “–”. Following the “+” or “–”, from one to 16 additional characters appear in the command name. These characters will be selected from the following set: A through Z (IA5 4/1 through 5/10) 0 through 9 (IA5 3/0 through 3/9) ! (IA5 2/1) % (IA5 2/5) - (IA5 2/13) .
AT Commands for CX930xx Modem Reference Manual String Constants String constants consist of a sequence of displayable IA5 characters, each in the range from 2/0 to 7/15, inclusive, except for the characters ‘"’ (IA5 2/2) and "\" (IA5 5/12). String constants are bounded at the beginning and end by the double-quote character (‘"’, IA5 2/2). Any character value may be included in the string by representing it as a backslash ("\") character followed by two hexadecimal digits.
AT Commands for CX930xx Modem Reference Manual The following syntax is used for actions that have one subparameter: +[=] or –[=] The following syntax is used for actions that have two or more subparameters: +[=] or –[=] For actions that accept subparameters, if all subparameters are defined as being optional, and the default values for all subparameters are satisfactory, the data terminal equipment (DTE) may use the first syntax above (i
AT Commands for CX930xx Modem Reference Manual Parameter Set Command Syntax The definition of the parameter indicates, for each value, whether the specification of that value is mandatory or optional. For optional values, the definition indicates the assumed (default) value if none is specified; the assumed value may be either a previous value (i.e., the value of an omitted subparameter retains its previous value), or a fixed value (e.g., the value of an omitted subparameter is assumed to be zero).
AT Commands for CX930xx Modem Reference Manual The semicolon is not necessary when the extended syntax command is the last command on the command line. Concatenating Commands after Basic Format Commands Extended syntax commands may appear on the same command line after a basic syntax command without a separator, in the same manner as concatenation of basic syntax commands. 2.5 Issuing Commands All characters in a command line must be issued at the same data rate, and with the same parity and format.
AT Commands for CX930xx Modem Reference Manual 2.6.2 Handling of Invalid Numbers and S-Parameter Values The modem reacts to undefined numbers and S-parameter values in one of three ways: 1. Issue the ERROR result code, and leave the previous value of the parameter unchanged; 2. Issue the OK result code, and leave the previous value of the parameter unchanged; or, 3. Issue the OK result code, and set the parameter value to the valid value nearest to that specified in the command line.
AT Commands for CX930xx Modem Reference Manual Result Code Types. There are three types of result codes: final, intermediate, and unsolicited. Result codes are described in Section 3.4. 2.7.2 1. A final result code indicates the completion of a full modem action and a ability to accept new commands from the DTE. 2. An intermediate result code is a report of the progress of an modem action. The CONNECT result code is an intermediate result code.
AT Commands for CX930xx Modem Reference Manual 2.7.3 +: Information Text Formats for Test Commands In general, the format of information text returned by extended syntax commands is described in the definition of the command. The modem may insert intermediate characters in very long information text responses in order to avoid overrunning DTE receive buffers.
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AT Commands for CX930xx Modem Reference Manual 3 Data Command Set 3.1 Command Guidelines The commands used to control and report modem operation in data modem mode are defined in this section. The Data Modem Mode commands and responses described in this section are applicable when command +FCLASS=0. (See Section 3.2.1 for the definition of the FCLASS command.) The default values are typical of a fully configured modem supporting all data rates and options.
AT Commands for CX930xx Modem Reference Manual 3.2.1 Generic Modem Control Z - Soft Reset and Restore Profile This command causes the modem to perform a soft reset and restore (recall) the configuration profile. If no is specified, zero is assumed. Syntax Z Defined Values Decimal number corresponding to the selected profile. 0 Soft reset and restore stored profile 0. 1 Soft reset and restore stored profile 1. Result Codes OK = 0 or 1. ERROR Otherwise.
AT Commands for CX930xx Modem Reference Manual Reporting Current or Selected Values Command: +FCLASS? Response: Example: 0 For the default setting. Reporting Supported Range of Parameter Values Command: +FCLASS=? Response: ( range) Example: 0, 1, 1.0, 8 +VCID - Caller ID (CID) This command controls the reporting and presentation of data associated with the Caller ID services in the Incoming Call Line ID (ICLID) data format for the next call.
AT Commands for CX930xx Modem Reference Manual -SCID - Snooping CID (Type II) This command allows the modem to snoop a telephone line for Type II CID and relay this information in order to report to DTE while on-hook. It is similar in functionality with the standard Type II CID, which fetches CID information while off-hook. The main difference is that the -SCID command requires equipment with Type II CID capability connected in parallel with the modem, and hence the name Snooping CID.
AT Commands for CX930xx Modem Reference Manual +VRID - Report Retrieved Caller ID (CID) This command reports the data associated with the Caller ID services in the Incoming Call Line ID (ICLID) data format for the last received call. Syntax +VRID= Defined Values Decimal number corresponding to the selected option. 0 Reports Caller ID with formatted presentation to the DTE. The modem presents the data items in a pair format.
AT Commands for CX930xx Modem Reference Manual \N - Operating Mode This command controls the preferred error correcting mode to be negotiated in a subsequent data connection. This command is affected by the OEM firmware configuration. Syntax \N Defined Values Decimal number which corresponds to the selected mode. 0 Selects normal speed buffered mode (disables error-correction mode). (Forces &Q6.) 1 Selects direct mode and is equivalent to &M0, &Q0 mode of operation. (Forces &Q0.
AT Commands for CX930xx Modem Reference Manual I - Identification This command causes the modem to reports the requested result according to the command parameter. Syntax I Defined Values Decimal number corresponding to the selected information. 0 Reports product code, e.g., “56000”. 1 Reports “OK”. 2 Reports “OK”. 3 Reports masked firmware identification code. Example: CX93000-V92 4 Reports “OK” 5 Reports Country Code parameter (see +GCI). 6 Reports “OK”. 7 Reports “OK”.
AT Commands for CX930xx Modem Reference Manual +GMI9 - Request Conexant Identification This command causes the modem to report CONEXANT ACF identification. Syntax +GMI9 Response +GMI9: CONEXANT ACF OK +GMM - Request Model Identification This command causes the modem to report the modem product. Syntax +GMM Typical Response +GMM: V90 +GMR - Request Revision Identification This command causes the modem to report the modem version, revision level or date. This is the same as the I3 command.
AT Commands for CX930xx Modem Reference Manual +GCI - Country of Installation This extended syntax command selects and indicates the country of installation for the modem. This parameter selects the settings for any operational parameters that need to be adjusted for national regulations or telephone networks. Syntax +GCI= Defined Values 8-bit country code from Annex A of T.35. The value is the hexadecimal equivalent of the T.
AT Commands for CX930xx Modem Reference Manual &F - Restore Factory Configuration (Profile) The modem loads the factory default configuration (profile). The factory defaults are identified for each command and in the S-Parameter descriptions. A configuration (profile) consists of a subset of S-Parameters. Syntax &F[] Defined Values Decimal number corresponding to the selected configuration. 0 Restore factory configuration 0. 1 Restore factory configuration 1.
AT Commands for CX930xx Modem Reference Manual &Y - Designate a Default Reset Profile This command selects which user profile will be used after a hard reset. Syntax &Y Defined Values Decimal number corresponding to the selected profile. 0 The modem will use profile 0. 1 The modem will use profile 1. Result Codes OK = 0 to 1. ERROR If > 1, or if NVRAM is not installed or is not operational.
AT Commands for CX930xx Modem Reference Manual &Zn=x - Store Telephone Number The modem can store up to four telephone numbers and each telephone number dial string can contain up to 31 digits. (Requires 256-byte NVRAM installed.) Syntax &Z= Defined Values Decimal number from 0 to 3 corresponding to the selected telephone number. Dial string from 0 to 31 characters. Result Codes OK For ≤ 3 and ≤ 31 digits. ERROR If > 3 or > 31 digits.
AT Commands for CX930xx Modem Reference Manual %8 - Plug and Play Vendor ID and Product Number Sets and stores Vendor ID and product number for serial Plug and Play and for ISA Plug and Play which use the Conexant 11596 Plug and Play device. Applicable to Desktop configuration only.
AT Commands for CX930xx Modem Reference Manual modem RAM using industry standard communications software or an equivalent process. Uploading SRAM patch An internal SRAM patch does not require a loader. The AT** command can be used to transfer the SRAM patch directly to the modem’s internal RAM. When the AT** command is issued, the modem firmware boot loader is invoked and the user will transfer the SRAM patch into the modem's RAM. The data transfer is done via an ASCII transfer. Procedure 3-14 1.
AT Commands for CX930xx Modem Reference Manual 3.2.2 DTE-Modem Interface commands The parameters defined in this section control the operation of the interface between the DTE and modem. E - Command Echo The modem enables or disables the echo of characters to the DTE. The parameter value, if valid, is written to S14 bit 1. Syntax E Defined Values Decimal number corresponding to the option. 0 Disables command echo. 1 Enables command echo. (Default.) Result Codes OK = 0 or 1.
AT Commands for CX930xx Modem Reference Manual V - Result Code Form This command selects the sending of short-form or long-form result codes to the DTE. The parameter, if valid, is written to S14 bit 3. Syntax V Defined Values Decimal number corresponding to the selected option. 0 Enables short-form (terse) result codes. Line feed is not issued before a short-form result code. 1 Enables long-form (verbose) result codes. (Default.) Result Codes OK = 0 or 1. ERROR Otherwise.
AT Commands for CX930xx Modem Reference Manual X - Extended Result Codes This command selects the subset of the result code messages used by the modem to inform the DTE of the results of commands. Blind dialing is enabled or disabled by country parameters. If the user wishes to enforce dial tone detection, a "W" can be placed in the dial string (see D command). The information below is based upon the default implementation of the X results table.
AT Commands for CX930xx Modem Reference Manual 2 Disables reporting of busy tones unless forced otherwise by country requirements; send only OK, CONNECT, RING, NO CARRIER, ERROR, NO DIAL TONE, NO ANSWER, and CONNECT XXXX. If busy tone detection is enforced and busy tone is detected, NO CARRIER will be reported instead of BUSY. If dial tone detection is enforced or selected and dial tone is not detected, NO DIAL TONE will be reported instead of NO CARRIER.
AT Commands for CX930xx Modem Reference Manual Table 3-1.
AT Commands for CX930xx Modem Reference Manual Short Form 67 68 69 70 77 78 79 80 83 84 85 86 87 91 134 135 136 137 138 139 139 140 141 142 145 146 147 150 151 152 153 154 155 156 157 158 159 160 161 162 165 166 167 168 169 170 171 172 173 174 175 176 180 3-20 Long Form +DR: V42B +DR: V44 +DR: NONE +ER: NONE +ER: LAPM +MRR: 31200 +MRR: 33600 +ER: ALT LINE IN USE CONNECT 33600 OFF-HOOK INTRUSION LINE REVERSAL DETECTED NO LINE CONNECT 31200 +MCR: B103 +MCR: B212 +MCR: V21 +MCR: V22 +MCR: V22B +MCR: V23 +MCR
AT Commands for CX930xx Modem Reference Manual Short Form Long Form 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x n Value in ATXn Command 1 2 3 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Notes 4 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 181 CONNECT 29333 Note 3 182 CONNECT 30667 Note 3 183 CONNEC
AT Commands for CX930xx Modem Reference Manual &C - RLSD (DCD) Option The modem controls the RLSD output in accordance with the parameter supplied. The parameter value, if valid, is written to S21 bit 5. Syntax &C Defined Values Decimal number corresponding to the selected option. 0 RLSD remains ON at all times. 1 RLSD follows the state of the carrier. (Default.) Result Codes OK 0 or 1. ERROR Otherwise.
AT Commands for CX930xx Modem Reference Manual 1 DTR drop is interpreted according to the current &Qn setting as follows: &Q0, &Q1, &Q5, &Q6: DTR drop is interpreted by the modem as if the asynchronous escape sequence had been entered. The modem returns to asynchronous command state without disconnecting. &Q2 &Q3: DTR drop causes the modem to hang up. Auto-answer is inhibited.
AT Commands for CX930xx Modem Reference Manual &M - Asynchronous/Synchronous Mode Selection This command determines the DTR operating mode. The modem treats the &M command as a subset of the &Q command. Syntax &M Defined Values Decimal number corresponding to the selected option. 0 Selects direct asynchronous operation. The command sequence &M0\N0 selects normal buffered mode, but the command sequence \N0&M0 selects direct mode.
AT Commands for CX930xx Modem Reference Manual &Q - Sync/Async Mode This command is an extension of the &M command and is used to control the connection modes permitted. It is used in conjunction with S36 and S48. (Also, see \N.) NOTE: When the &Q0 to &Q3 command is issued to select the mode, the subsequent connect message will report the DCE speed regardless of the W command and S95 settings. Syntax &Q Defined Values Decimal number corresponding to the selected option.
AT Commands for CX930xx Modem Reference Manual &R - RTS/CTS Option This selects how the modem controls CTS. CTS operation is modified if hardware flow control is selected (see &K command). The parameter value, if valid, is written to S21 bit 2. Syntax &R Defined Values Decimal number corresponding to the selected option. 0 In sync mode, CTS tracks the state of RTS; the RTS-to-CTS delay is defined by S26. In async mode, CTS is normally ON and will turn OFF only if required by flow control.
AT Commands for CX930xx Modem Reference Manual +IPR - Fixed DTE Rate This numeric extended-format parameter specifies the data rate at which the modem will accept commands during online operation. It may be used to select operation at rates at which the modem is not capable of automatically detecting the data rate being used by the DTE. Specifying a value of 0 disables the function and allows operation only at rates automatically detectable by the modem.
AT Commands for CX930xx Modem Reference Manual +IFC - DTE-Modem Local Flow Control This extended-format compound parameter controls the operation of local flow control between the DTE and the modem during the data state when V.42 error control is used, or when fallback to non-error control mode is specified to include buffering and flow control. It accepts two numeric subparameters.
AT Commands for CX930xx Modem Reference Manual +IBC – In Band Commands This command provides a mechanism by which an in-band secondary channel may be implemented. This in-band secondary channel can be utilized to transparently exchange commands and responses to/from the modem during a data connection. This is an alternative approach to using the +++ escape sequence. The +IBC command also provides a mechanism to exchange V.24 signaling via the secondary channel.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Range of Parameter Values Command: +IBC=? Response: +IBC: (0-2),(0-1),(0-1),0,0,(0-1),0,(0-1),0,0,0,0,0 Entering and Exiting In Band Active State In Band Command mode will be active only when a modem connection has been made and DCD is on and the modem is not in command mode.
AT Commands for CX930xx Modem Reference Manual Table 3-2. Supported V.80 Commands Command <105off> <105on> <106off> <106on> <109off> <109on> <125off> <125on> 102752B Hex Codes Description Supported V.80 DTE-to-DCE Commands <40h> The DCE decodes this as a sequence of 3 + (-1Fh).
AT Commands for CX930xx Modem Reference Manual In band processing of AT commands When in-band control sequences are enabled, the modem responds to EM shielded AT commands via the extend-0 CONTROL sequence. This command may be used to transmit any AT commands to the modem as follows: EM Upon receipt of an in-band command, the modem responds with the extend-0 STATUS REPORT sequence.
AT Commands for CX930xx Modem Reference Manual 3.2.3 Call Control D - Dial This command directs the modem to go on-line, dial according to the string entered and attempt to establish a connection. If no dial string is supplied, the modem will go on-line and attempt the handshake in originate mode. NOTE: If the ATD command is issued before the S1 register has cleared, the modem will respond with the NO CARRIER result code.
AT Commands for CX930xx Modem Reference Manual 3-34 R This command will be accepted, but not acted on. S=n Dial the number stored in the directory (n = 0 to 3). (See &Z.) ! Flash: the modem will go on-hook for a time defined by the value of S29. Country requirements may limit the time imposed. W Wait for dial tone: the modem will wait for dial tone before dialing the digits following "W".
AT Commands for CX930xx Modem Reference Manual Ignored: may be used to format the dial string. Invalid character: will be ignored. > If enabled by country specific parameter, the modem will generate a grounding pulse on the EARTH relay output. T - Set Tone Dial Default This command forces DTMF dialing until the next P dial modifier or P command is received. The modem will set an S-Parameter bit to indicate that all subsequent dialing should be conducted in tone mode.
AT Commands for CX930xx Modem Reference Manual H - Disconnect (Hang-Up) This command initiates a hang up sequence. This command may not be available for some countries due to PTT restrictions. Syntax H Defined Values Decimal number corresponding to the selected option. 0 The modem will release the line if the modem is currently on-line, and will terminate any test (AT&T) that is in progress.
AT Commands for CX930xx Modem Reference Manual O - Return to On-Line Data Mode This command determines how the modem will enter the on-line data mode. If in the online command mode, the modem enters the on-line data mode with or without a retrain. If in the off-line command mode (no connection), the modem reports ERROR. Syntax O Defined Values Decimal number corresponding to the selected option. 0 Enters on-line data mode without a retrain.
AT Commands for CX930xx Modem Reference Manual L - Speaker Volume This command sets the speaker volume control. The parameter value, if valid, is written to S22 bits 0 and 1. Syntax L Defined Values Decimal number corresponding to the selected option. 0 Low volume. 1 Low volume. (Default.) 2 Medium volume. 3 High volume. Result Codes OK = 0 to 3. ERROR Otherwise. M - Speaker Control This command selects when the speaker will be on or off.
AT Commands for CX930xx Modem Reference Manual &G - Select Guard Tone This command causes the modem to generate the guard tone selected by this command (DPSK modulation modes only). The parameter value, if valid, is written to S23 bits 6 and 7. Syntax &G Defined Values Decimal number corresponding to the selected option. 0 Disables guard tone. (Default.) 1 Disables guard tone. 2 Selects 1800 Hz guard tone. This command may not be permitted in some countries.
AT Commands for CX930xx Modem Reference Manual &V - Display Current Configuration and Stored Profiles This command reports the current (active) configuration, the stored (user) profiles, and the first four stored telephone numbers. The stored profiles and telephone numbers are not displayed if the NVRAM is not installed or is not operational as detected by the NVRAM test during reset processing.
AT Commands for CX930xx Modem Reference Manual &V1 - Display Last Connection Statistics Displays the last connection statistics in the following format (shown with typical results): TERMINATION REASON.......... NONE LAST TX rate................ 26400 BPS HIGHEST TX rate............. 26400 BPS LAST RX rate................ 50667 BPS HIGHEST RX rate............. 50667 BPS PROTOCOL.................... LAPM COMPRESSION................. V44 Line QUALITY................ 015 Rx LEVEL....................
AT Commands for CX930xx Modem Reference Manual \V - Single Line Connect Message Enable This command enables or disables the single line connect message format as follows: Syntax \V Defined Values Decimal number corresponding to the selected option. 0 Connect messages are controlled by the command settings X, W, and S95. 1 Connect messages are displayed in the single line format described below subject to the command settings V (Verbose) and Q (Quiet).
AT Commands for CX930xx Modem Reference Manual %L - Report Line Signal Level Returns a value which indicates the received signal level. The value returned is a direct indication (DAA dependent) of the receive level at the MDP, not at the telephone line connector. For example, 009 = -9 dBm, 043 = -43 dBm, and so on. Result Codes OK If connected. ERROR If not connected.. %Q - Report Line Signal Quality Reports the line signal quality (DAA dependent). Returns the higher order byte of the EQM value.
AT Commands for CX930xx Modem Reference Manual *D - Display Delayed Numbers This command causes the modem to send a list of the delayed numbers together with the delay associated with each. The modem will return a list of delayed telephone numbers as defined in the *B command. The format of the response is shown by the example below (delay times are shown as hours:minutes:seconds). If no numbers are delayed, only the OK result code is issued. Syntax *D Example NO.
AT Commands for CX930xx Modem Reference Manual –SLP= - Set Low Power Mode This command sets the modem low power mode entered when no line connection exists or when no host activity occurs for the period specified in the S24 register. Syntax -SLP= Defined Values Decimal number corresponding to the selected option: 0= Idle mode. The CPU and LSD run at a low frequency. The modem can detect and qualify ring signals and process AT commands.
AT Commands for CX930xx Modem Reference Manual –STE= - Set Telephony Extension The –STE command enables/disables Line In Use, Extension Pickup, and Remote Hangup detection features. Note: Additional hardware may be required to support these features. Syntax -STE= Defined Values Decimal number corresponding to the selected bit-mapped options. The bit fields are defined as follows: Bit 0 Line In Use detection enable/disable. Bit 1 Extension Pickup detection enable/disable.
AT Commands for CX930xx Modem Reference Manual Behavior in Data Mode (+FCLASS=0) and Fax Mode (+FCLASS=1, 1.0) When on-hook, if the line is in use and an ATDT is issued, the modem will not go offhook and will return with the message LINE IN USE. When off-hook and either an extension is picked up or a line reversal is detected, the modem will drop the connection. The disconnect reason in register S86=25 (this is also defined for #UD).
AT Commands for CX930xx Modem Reference Manual Case 2: Modem off-hook, Extension Pick-up If the modem is connected and another extension goes off-hook, the modem will send a GSTN Cleardown to the remote modem and then immediately hang-up. Due to the noise possibly being added to the line when a telephone extension is picked-up, a GSTN Cleardown may or may not successfully be received by the remote mode.
AT Commands for CX930xx Modem Reference Manual The line is not in use and the modem tries to dial AT-STE=7 ATDT555-1212 Modem goes off-hook CONNECT An extension is off-hook but there is silence on the line and the modem tries to dial AT-STE=3 ATDT555-1212 Modem goes off-hook NO LINE Modem is connected in data mode and an extension goes off-hook AT-STE=2 ATDT555-1212 CONNECT OFF HOOK INTRUSION Extension is picked up, GSTN Cleardown sent ATS86=? 025 Modem is connected in data mode and remote modem goes on-
AT Commands for CX930xx Modem Reference Manual Modem is connected in data mode and the LOCAL HANDSET goes off-hook AT-STE=7 ATDT555-1212 5 sec delay CONNECT LINE REVERSAL DETECTED Local handset goes off-hook, GSTN Cleardown sent, and remote modem goes on-hook ATS86=? 025 500 ms after no carrier a dial tone is heard on the local handset Modem is in answer machine mode and an extension goes off-hook AT-STE=2 AT+FCLASS=8 OK h Local handset on-hook R Ring AT+VLS=1 OK AT+VSM=1,7200,0,0 3-50
AT Commands for CX930xx Modem Reference Manual Automated system that needs to periodically use the line while giving the voice user the highest priority A common use for these features would be an automated system that needs to periodically use the line while giving the voice user the highest priority. The automated system would make a connection when the line is free. It would do this without disturbing the line if the line is in use.
AT Commands for CX930xx Modem Reference Manual -TTE - Threshold Adjustments for Telephony Extension This command allows the host to set/tune the telephone extension features for the modem to determine Line In Use, Extension Pickup, Remote Hang-up, and Digital Line Protection and Line Interruption Immunity conditions. An ATZ or AT&F will load default values.
AT Commands for CX930xx Modem Reference Manual 3.2.4 Modulation Control Commands +MS - Modulation Selection This extended-format compound parameter controls the manner of operation of the modulation capabilities in the modem. It accepts six subparameters. Syntax +MS=[[,[,[,[, [,]]]]]] Where possible , , , , and values are listed in Table 3-3. Table 3-3.
AT Commands for CX930xx Modem Reference Manual Defined Values A string which specifies the preferred modem carrier to use in originating or answering a connection. values are strings of up to eight characters, consisting only of numeric digits and upper case letters. values for ITU standard modulations take the form: <1-4 digits>. Defined values are listed in Table 3-3.
AT Commands for CX930xx Modem Reference Manual Reporting Current or Selected Values Command: +MS? Response: +MS:,,, , , Note: The current active settings are reported under control of the +MR parameter. Example: +MS: V92, 1,300,48000,300,56000 For default values. This example allows maximum system flexibility to determine optimal receive and transmit rates during operation.
AT Commands for CX930xx Modem Reference Manual Defined Values A decimal number corresponding to the selected option: 0 Disables reporting of modulation connection (+MCR: and +MRR: are not transmitted). (Default.) 1 Enables reporting of modulation connection (+MCR: and +MRR: are transmitted with tx rate, rx rate). 2 Enables reporting of modulation connection (+MCR: and +MRR: are transmitted with rx rate only).
AT Commands for CX930xx Modem Reference Manual +MRR: Report Syntax Response: +MRR: , Decimal transmit rate in bits/s. Decimal receive rate in bits/s.
AT Commands for CX930xx Modem Reference Manual B - CCITT or Bell When the modem is configured to allow either option, the modem will select Bell or CCITT modulation for a line speed connection of 300 or 1200 bps. Any other line speed will use a CCITT modulation standard. The parameter value, if valid, is written to S27 bit 6. Syntax B Defined Values Decimal number corresponding to the selected option.
AT Commands for CX930xx Modem Reference Manual 3.2.5 Error Control Commands +ES - Error Control and Synchronous Mode Selection This extended-format command specifies the initial requested mode of operation when the modem is operating as the originator, optionally specifies the acceptable fallback mode of operation when the modem is operating as the originator, and optionally specifies the acceptable fallback mode of operation when the modem is operating as the answerer.
AT Commands for CX930xx Modem Reference Manual Decimal number which specifies the acceptable fallback mode of operation when the modem is operating as the answerer or specifies V.80 Synchronous Access Mode. 0 Direct Mode. 1 Error control disabled, use Normal Mode. 2 LAPM, MNP, or Normal Mode error control optional. (Default.) 3 LAPM, MNP, or Direct Mode error control optional. 4 LAPM or MNP error control required; disconnect if error control is not established.
AT Commands for CX930xx Modem Reference Manual +EB - Break Handling in Error Control Operation This extended-format compound parameter controls the break handling in V.42 operation. It accepts three numeric subparameters: Syntax +EB=[[,[,]]] Defined Values Decimal number 0 specifying that break is to be ignored, i.e., not signaled to remote DCE. Decimal number 0 specifying that any transmitted V.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Range of Parameter Values: Command: +ESR=? Response: +ESR: () Example: +ESR: (0) +EFCS - 32-bit Frame Check Sequence This extended-format numeric parameter controls the use of the 16-bit or 32-bit frame check sequence (FCS) option in V.42. Syntax +EFCS=[] Defined Values Decimal number 0 specifying the use of the 16-bit FCS specified in V.42.
AT Commands for CX930xx Modem Reference Manual +ER - Error Control Reporting This extended-format numeric parameter controls whether or not the extended-format +ER: intermediate result code is transmitted from the modem to the DTE. S95 bit 3 is reset to 0 for +ER=0 and is set to a 1 for +ER=1. The more recent setting of +ER or S95 bit 3, and the W command setting, determines the actual error control result code reporting (see S95 Parameter and W Command).
AT Commands for CX930xx Modem Reference Manual +ER: The +ER: reported represents the current (negotiated or renegotiated) modemmodem error control type. If enabled, the intermediate result code is transmitted at the point during error control negotiation (handshaking) at which the modem has determined which error control protocol will be used (if any), before the final result code (e.g., CONNECT) is transmitted.
AT Commands for CX930xx Modem Reference Manual +ETBM - Call Termination Buffer Management This extended-format compound parameter controls the handling of data remaining in modem buffers upon call termination. It accepts three numeric subparameters: Syntax +ETBM=[[,[,]]] Defined Values Decimal number 0 specifying that disconnect will occur immediately and all buffered transmit data will be discarded when the local DTE requests call disconnection.
AT Commands for CX930xx Modem Reference Manual \B - Transmit Break to Remote In non-error correction mode, the modem will transmit a break signal to the remote modem with a length in multiples of 100 ms according to parameter specified. If a number in excess of 9 is entered, 9 is used. The command works in conjunction with the \K command. In error correction mode, the modem will signal a break through the active error correction protocol, giving no indication of the length.
AT Commands for CX930xx Modem Reference Manual \K - Break Control Controls the response of the modem to a break received from the DTE or the remote modem or the \B command. The parameter value, if valid, is written to S40 bits 3, 4, and 5. Syntax \K Defined Values Decimal number corresponding to the selected option. The response is different in three separate states.
AT Commands for CX930xx Modem Reference Manual The third case is where a break is received from a remote modem during a non-error corrected connection: 0 Clears data buffers and sends break to the DTE. 1 Clears data buffers and sends break to the DTE. (Same as 0.) 2 Send a break immediately to DTE. 3 Send a break immediately to DTE. (Same as 2.) 4 Send a break in sequence with received data to DTE. 5 Send a break in sequence with received data to DTE. (Same as 4.) (Default.
AT Commands for CX930xx Modem Reference Manual 3.2.6 Data Compression Commands This section contains parameters to condition modem use of standard ITU-T V.42bis Data Compression Procedures. +DS - Data Compression This extended-format compound parameter controls the V.42bis data compression function if provided in the modem.
AT Commands for CX930xx Modem Reference Manual +DS44 - V.44 Compression Select This extended-format compound parameter controls the V.44 data compression function. Syntax +DS44=[[,< compress_negotiation >[,[, [,[,[,[, [,]]]]]]]]] Defined Values Decimal number that specifies the desired direction(s) of operation of the data compression function; from the DTE point of view.
AT Commands for CX930xx Modem Reference Manual Reporting Current or Selected Values Command: +DS44? Response: +DS44: ,,, ,,, ,, Example: +DS44: 3,0,0,512,512,32,32,1024,1024 For the default setting.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Range of Parameter Values Command: +DR=? Response: +DR: ( range) Example: +DR: (0,1) +DR: Intermediate Result Code The +DR: reported represents the current (negotiated or renegotiated) modemmodem data compression type.
AT Commands for CX930xx Modem Reference Manual %C - Enable/Disable Data Compression Enables or disables data compression negotiation. The modem can only perform data compression on an error corrected link. The parameter value, if valid, is written to S41 bits 0 and 1. Syntax %C Defined Values Decimal number corresponding to the selected option. 0 Disables data compression. Resets S46 bit 1. 1 Enables MNP 5 data compression negotiation. Resets S46 bit 1. 2 Enables V.
AT Commands for CX930xx Modem Reference Manual 3.2.7 Synchronous Access Mode Commands Three commands support Synchronous Access Mode: +ES Enables and disables Synchronous Access Mode in the client or central site modem +ESA Configures the operation of the Synchronous Access Submode +ITF Selects Transmit Flow Control Thresholds Enabling Synchronous Access Mode enables the use of the 8-bit command characters defined in Table 9/V.80 of the Draft ITU-T Recommendation V.
AT Commands for CX930xx Modem Reference Manual Specifies whether or not, in V.34 half-duplex operation, additional procedures besides those specified in § 12/V.34 shall be performed by the modem when switching from primary channel to secondary channel operation, and vice versa. This subparameter should not be commanded. Specifies the CRC polynomial used while operating in Framed sub-Mode. The options are: 0 CRC generation and checking disabled (default).
AT Commands for CX930xx Modem Reference Manual +ITF - Transmit Flow Control Thresholds The +ITF command determines the flow control thresholds used by the modem for transmit data from the DTE. This optional compound parameter allows the DTE to determine the input buffer size in the modem for data on circuit 103 (transmit data) from the DTE, to control the thresholds used for flow control of such data, and to control how often the modem reports to the DTE the number of octets in this buffer.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Options The modem sends a string of information text to the DTE consisting of supported options in response to the following command: +ITF=? The response is: +ITF: (list of supported values),(list of supported values),(list of supported values) Example: +ITF=? +ITF: (0-255),( 0-255),(0) The maximum reported value is the input transmit data buffer level at which the modem signals a transmit data overrun indic
AT Commands for CX930xx Modem Reference Manual 3.2.8 Diagnostic Commands %TT - PTT Test Command This command facilitates PTT testing of signal levels by providing continuous signals regards of whether or not the modem is connected to the line. The signal transmitted is in accordance with the parameter provided. A range of commands allows the user to initiate a series of signals required to obtain PTT approval. The signals emitted include answer tone, modulation, carriers, and other pertinent signals.
AT Commands for CX930xx Modem Reference Manual %TT14 - V.22 originate [call mark] signalling at 600 bps Command syntax: %TT14 %TT15 - V.22 originate [call mark] signalling at 1200 bps Command syntax: %TT15 %TT16 - V.22 bis originate [call mark] signalling at 2400 bps Command syntax: %TT16 %TT17 - V.22 answer signalling (guard tone: 1800Hz, 550Hz, none) at 1200bps Command syntax: %TT17 0 1 2 none 550 Hz 1800 Hz %TT18 - V.
AT Commands for CX930xx Modem Reference Manual %TT1C - V.23 forward channel space symbol Command syntax: %TT1C %TT1D - V.22 answer signalling (guard tone: 1800Hz, 550Hz, none) at 600 bps Command syntax: %TT1D 0 1 2 none 550 Hz 1800 Hz V.32 and V.32bis Spectrum %TT2x V.32,V32bis %TT20 - V.32bis TCM 14400 bps (Answer Mode, Originate Mode) Command syntax: %TT20 A O Answer Originate %TT21 - V.
AT Commands for CX930xx Modem Reference Manual %TT24 - V.32bis TCM 7200 bps (Answer Mode, Originate Mode) Command syntax: %TT24 A O Answer Originate %TT25 - V.32 4800 bps (Answer Mode, Originate Mode) Command syntax: %TT25 A O Answer Originate Tone Generation %TT3x Tone Generation %TT30 - Silence [on-line], i.e., go off-hook Command syntax: %TT30 %TT31 - V.25 answer tone Command syntax: %TT31 %TT32 - 1800 Hz guard tone Command syntax: %TT32 %TT33 - V.
AT Commands for CX930xx Modem Reference Manual V.34 Spectrum %TT60 - V.
AT Commands for CX930xx Modem Reference Manual Japan-Specific Sequences %J0 - V.21 originate alternating mark & space Command syntax: %J0 %J1 - V.21 answer alternating mark & space Command syntax: %J1 %J2 - V.
AT Commands for CX930xx Modem Reference Manual %J10 - V.
AT Commands for CX930xx Modem Reference Manual 3.2.9 Fast Connect Commands $F – Fast Connect Control This command allows configuring of the client modem to connect to a central site modem that supports non-standard V.22, V.22 bis, and V.29 fast connect protocols. It is used in conjunction with S17. Syntax $F Defined Values 102752B Decimal number which specifies the initial requested mode of operation when the modem is operating as the originator.
AT Commands for CX930xx Modem Reference Manual 3.2.10 V.92 +P and –Q Commands This section describes the +P (PCM DCE) and –Q commands and parameters used to control the V.92 Mode operation. +PCW - Call Waiting Enable This command controls the operation of the modem in the presence of call waiting. Syntax +PCW= Defined Values Decimal number corresponding to the selected operation. 0 Request modem-on-hold if enabled by +PMH and collect caller ID information if enabled by +VRID. Toggle V.
AT Commands for CX930xx Modem Reference Manual +PMH - Modem-on-Hold Enable This command controls the selection of modem-on-hold in the modem. The action of the modem in response to modem-on-hold events is determined by the state of this command as well as the state of a negotiated handshake with a V.92-compliant server in V.92 Mode. Syntax +PMH= Defined Values Decimal number corresponding to the selected operation. 0 Modem-on-hold enabled in V.92 Mode. (Default.
AT Commands for CX930xx Modem Reference Manual +PMHT – Modem-on-Hold Timer This command controls whether or not the modem will grant or deny a modem-on-hold (MOH) request as well as setting the MOH Timeout value. Syntax +PMHT= Defined Values Decimal number corresponding to selected setting. 0 Deny V.92 modem-on-hold Request (Default.
AT Commands for CX930xx Modem Reference Manual +PMHR - Initiate Modem-on-Hold This command requests the modem to initiate or to confirm a modem-on-hold procedure. The modem will return ERROR if modem-on-hold is not enabled or if the modem is in an idle condition. The modem will return the string response +PMHR: where is a decimal value corresponding to the status of the modem's hold exchange procedure as defined below.
AT Commands for CX930xx Modem Reference Manual +PIG - PCM Upstream Ignore This command controls the selection of PCM upstream in the modem. The actual state of PCM upstream is determined by the state of this command as well as the state of a negotiated handshake with a V.92-compliant server in V.92 Mode. Syntax +PIG= Defined Values Decimal number corresponding to the selected operation. 0 Enable PCM upstream negotiation. 1 Disable PCM upstream negotiation. (Default.
AT Commands for CX930xx Modem Reference Manual +PQC - V.92 Phase 1 and Phase 2 Control This command controls the global enabling or disabling of the V.92 shortened Phase 1 and Phase 2 startup procedures. This command is used in conjunction with the +PSS command. Syntax +PQC= Defined Values Decimal number corresponding to the selected setting. 0 Enable Short Phase 1, Short Phase 2, Short Phase 3, and Short Phase 4. (Default.) 1 Not supported. 2 Enable Short Phase 1 only.
AT Commands for CX930xx Modem Reference Manual +PSS - Use Short Sequence This command causes a calling modem to force either a V.92 short or full startup sequence as defined by the +PQC command on the next and subsequent connections. Syntax +PSS= Defined Values Decimal number corresponding to the selected sequence. 0 The modems decide whether or not to use the short startup procedures. The short startup procedures can only be used if enabled by the +PQC command. (Default.) 1 Reserved.
AT Commands for CX930xx Modem Reference Manual -QCPC - Force Full Startup Procedure Next Connection This command causes the modem to use full startup procedures on the next connection attempt regardless of the setting of the +PQC command. After this attempt, the modem will select the startup procedure as defined by the +PQC command. If a shortened startup procedure is enabled by the +PQC command, then the quick connect profile will also be updated on the next connection attempt.
AT Commands for CX930xx Modem Reference Manual 3.3 S-Parameters The S-Parameters are summarized in Table 3-4 along with their default values; registers denoted with an '*' may be stored in one of the two user profiles by entering the &W command. One of these profiles may be loaded at any time by using the Z command. Registers or register fields quoted as “reserved” are reserved for current or future use by the firmware, or are permanently overridden by PTT limitations.
AT Commands for CX930xx Modem Reference Manual Table 3-4.
AT Commands for CX930xx Modem Reference Manual 3.3.2 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. Setting this parameter to zero disables auto-answer mode. Range: 0-255 rings Default: 0 S1 - Ring Counter S1 is incremented each time the modem detects a ring signal on the telephone line. S1 is cleared if no rings occur over an eight second interval.
AT Commands for CX930xx Modem Reference Manual S5 - Backspace Character S5 sets the character recognized as a backspace. Pertains to asynchronous operation only. The modem will not recognize the Backspace character if it is set to a value that is greater than 32 ASCII. This character can be used to edit a command line.
AT Commands for CX930xx Modem Reference Manual S8 - Pause Time For Dial Delay S8 sets the time, in seconds, that the modem must pause when the “,” dial modifier is encountered in the dial string. Range: 2-255 seconds Default: 1 S9 - Carrier Detect Response Time S9 is supported for backwards compatibility only. No value can be written. Responds with default value. Range: 6 tenths of a second Default: 6 (0.
AT Commands for CX930xx Modem Reference Manual S12 - Escape Prompt Delay (EPD) S12 defines the maximum period, in fiftieths of a second, allowed between receipt of the last character of the three escape character sequence from the DTE and sending of the OK result code to the DTE. If any characters are detected during this time, the OK will not be sent. Sending of the OK result code does not affect entry into command mode. (See 3.1.3.
AT Commands for CX930xx Modem Reference Manual S17 - Point Of Sale Options Selection S17 selects the different options available for Point of Sale applications. Default: 0 (00000000b) Bit 0 V.80 sub-mode selection (applicable only if V.80 Synchronous Access Mode is enabled; see +ES command) 0= 1= Note: Bit 1 V.22bis/V.22/Bell 212 early data mode selection 0= 1= Bit 2 1= 1= Note: Select standard handshake (scrambled ones are sent during handshake).
AT Commands for CX930xx Modem Reference Manual Bit 5 V.29 FastPOS fallback selection 0= 1= Bit 6 Enable V.29 FastPOS with fallback to standard V.22 bis. (Default) Enable V.29 FastPOS with fallback to V.22 fast connect. Fast Bell 103/V.21 (applicable only if Bell 103, V.21, or V.23 halfduplex (HDX) is enabled; see +MS and B2 commands) 0= 1= Bit 7 Enable standard Bell 103/V.21/V.23HDX (Default) Enable fast Bell 103/V.21 or non-standard V.
AT Commands for CX930xx Modem Reference Manual S21 - V.24/General Bit Mapped Options Status S21 indicates the status of command options. Default: 52 (34h) (00110100b) Bits 0 - 1 Reserved (0) Bit 2 CTS behavior (&Rn) 0= 1= Bits 3-4 DTR behavior (&Dn) 0= 1= 2= 3= Bit 5 &S0 selected (Default.) &S1 selected Long space disconnect (Yn) 0= 1= 3-102 &C0 selected &C1 selected (Default.) DSR behavior (&Sn) 0= 1= Bit 7 &D0 selected &D1 selected &D2 selected (Default.
AT Commands for CX930xx Modem Reference Manual S22 - Speaker/Results Bit Mapped Options Status S22 indicates the status of command options. Default: 117 (75h) (01110101b) Bits 0-1 Speaker volume (Ln) 0= 1= 2= 3= Bits 2-3 Speaker control (Mn) 0= 1= 2= 3= Bits 4-6 102752B Speaker is always off (M0) Speaker is on during call establishment, but off when receiving carrier (M1) (Default.
AT Commands for CX930xx Modem Reference Manual S23 - General Bit Mapped Options Status S23 indicates the status of command options. Default: 0 Bits 0-6 Not used Bits 6-7 Guard tone (&Gn) 0= 1= 2= None (&G0) (Default.) None (&G1) 1800 Hz (&G2) S24 - Sleep Inactivity Timer S24 sets the length of time, in seconds, that the modem will operate in normal mode with no detected telephone line or DTE line activity before entering low-power sleep mode.
AT Commands for CX930xx Modem Reference Manual S27 - Bit Mapped Options Status S27 indicates the status of command options. Default: 73 (49h) (01001001b) Bits 0,1,3 Synchronous/asynchronous selection (&Mn/&Qn) 31 00 00 01 01 10 10 11 Bit 2 0 0 1 0 1 0 1 0 = = = = = = = &M0 or &Q0 &M1 or &Q1 &M2 or &Q2 &M3 or &Q3 Reserved &Q5 (Default.) &Q6 Leased line control (&Ln) 0= Dial up line (&L0) (Default.) Bits 4 - 5 Internal clock select (&Xn) 0= 1= 2= Bit 6 Internal clock (&X0) (Default.
AT Commands for CX930xx Modem Reference Manual S29 - Flash Dial Modifier Time S29 sets the length of time, in units of 10 ms, that the modem will go on-hook when it encounters the flash (!) dial modifier in the dial string. S29 is a country dependent parameter. The S29 value cannot be changed using S29=XX. Range: 0-255 10 ms intervals Default: 70 (700 ms) for U.S.
AT Commands for CX930xx Modem Reference Manual S36 - LAPM Failure Control Default: 7 (00000111b) Bits 0-2 This value indicates what should happen upon a LAPM failure. These fallback options are initiated immediately upon connection if S48=128. If an invalid number is entered, the number is accepted into the register, but S36 will act as if the default value has been entered. 0= 1= 2= 3= 4= 5= 6= 7= Bits 3-7 Modem disconnects. Modem stays on-line and a Direct mode connection is established. Reserved.
AT Commands for CX930xx Modem Reference Manual S39 - Flow Control Bit Mapped Options Status Default: 3 (00000011b) Bits 0-2 Status of command options 0= 3= 4= 5= 6= Bits 3-7 No flow control RTS/CTS (&K3) (Default.) XON/XOFF (&K4) Transparent XON (&K5) Both methods (&K6) Reserved S40 - General Bit Mapped Options Status S40 indicates the status of command options.
AT Commands for CX930xx Modem Reference Manual S41 - General Bit Mapped Options Status S41 indicates the status of command options. Default: 13 (C3h) (00001101b) Bits 0 -1 Compression selection (%Cn) 0= 1= 2= 3= Bits 2, 6 Disabled (%C0) MNP 5 (%C1) V.42 bis (%C2) MNP 5 and V.42 bis (%C3) (Default.
AT Commands for CX930xx Modem Reference Manual S86 - Call Failure Reason Code When the modem issues a NO CARRIER result code, a value is written to S86 Register to help determine the reason for the failed connection. S86 records the first event that contributes to a NO CARRIER message. The code definitions are: Range: 0-26 Default: 21 3-110 S86=0 Normal hangup, no error occurred. S86=1 Reserved. S86=2 Reserved. S86=3 Call Waiting caused disconnect. S86=4 Physical carrier loss.
AT Commands for CX930xx Modem Reference Manual S91 - PSTN Transmit Attenuation Level In non-PCM modes (V.90 and V.92 are PCM modes), S91 sets the transmit attenuation level from 0 to 15 dBm for the PSTN mode, resulting in a transmit level from 0 to 15 dBm. Range: 0 to 15 dBm (Corresponding to 0 to -15 dBm transmit level.) Default: 10 (-10 dBm transmit level.
AT Commands for CX930xx Modem Reference Manual S210 – V.34 Symbol Rates The bits in this parameter control V.34 symbols rates and enables/disables V.34 asymmetric rates. This parameter is used for diagnostic purpose only. Default: 13 (0Dh) (00001101b) Bits 0-2 Selects the range of allowed V.34 symbol rates. 21 00 00 01 01 10 10 Bit 3 0 0 1 0 1 0 1 Symbol Rates (baud) 2400 only 2400 only (no 2734) 2400, 2800 2400, 2800, 3000 2400, 2800, 3000, 3200 2400, 2800, 3000, 3200, 3429 (Default.
AT Commands for CX930xx Modem Reference Manual 3.4 Result Codes The modem responds to commands from the DTE and to activity on the line by signaling to the DTE in the form of result codes. The result codes that the modem can send are described in Table 3-5. Two forms of each result code are available: long-form, an English-like "verbose" response, and short-form, a data-like numeric response (included in parentheses following the long-form).
AT Commands for CX930xx Modem Reference Manual Table 3-5. Result Code Definitions Code 0 1 Message OK CONNECT 2 RING 3 NO CARRIER 4 ERROR 5 CONNECT 1200 6 NO DIAL TONE 7 BUSY 8 NO ANSWER 9 CONNECT 600 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 13 14 15 16 CONNECT 7200 CONNECT 12000 CONNECT 14400 CONNECT 19200 17 CONNECT 38400 18 CONNECT 57600 19 CONNECT 115200 22 CONNECT 75TX/1200RX 3-114 Meaning A command line has been executed.
AT Commands for CX930xx Modem Reference Manual Table 3-5.
AT Commands for CX930xx Modem Reference Manual Table 3-5.
AT Commands for CX930xx Modem Reference Manual Table 3-5.
AT Commands for CX930xx Modem Reference Manual Table 3-5. Result Code Definitions (Continued) Code 201 Message +MRR: 38667 202 +MRR: 41333 203 +MRR: 42667 204 +MRR: 45333 205 +MRR: 46667 206 +MRR: 49333 207 +MRR: 50667 208 +MRR: 53333 209 +MRR: 54667 Meaning The modem has connected to the line at 38667 bps and carrier reporting is enabled. (See S95 and Xn.) The modem has connected to the line at 41333 bps and carrier reporting is enabled. (See S95 and Xn.
AT Commands for CX930xx Modem Reference Manual 4 Fax Class 1 and Fax Class 1.0 Commands 4.1 Fax I/O Processing The fax I/O interface supports asynchronous serial and parallel interfaces. The character format is 8 bits data, no parity, and 1 stop bit. Start and stop elements are removed from the transmit data and added to the receive data. Both transmit and receive data are buffered. Flow control using XON/XOFF or RTS/CTS is provided.
AT Commands for CX930xx Modem Reference Manual Table 4-1. Fax Class 1 and Fax Class 1.
AT Commands for CX930xx Modem Reference Manual 4.1.4 Fax Origination Origination of fax calls is made using the ATD command. Upon completion of the dial function, a calling tone at 1100 Hz is transmitted, with a cadence of 0.5 seconds on and 3 seconds off. The modem automatically enters mode +FRH=3 and sends the CONNECT message to the DTE when FSK flags are detected from the remote. 4.1.
AT Commands for CX930xx Modem Reference Manual the last byte in the frame, the modem sends to the DTE marking the end of the frame. The modem then generates either the OK message if no errors were detected or the ERROR message if errors were detected (FCS is incorrect), and returns to command mode.
AT Commands for CX930xx Modem Reference Manual as the end of stream marker, and is not transmitted. All data received from the DTE after the is ignored by the modem until the modem generates either the CONNECT, OK, or ERROR result code. If no more data is in the transmit buffer, and the last transmitted character was not an ASCII NULL, the modem generates the OK result code and returns to the command mode.
AT Commands for CX930xx Modem Reference Manual 4.2 Commands and Parameters 4.2.1 Mode Entry Commands +FCLASS=1 - Select Facsimile Class 1 Mode +FCLASS=1 selects the Fax Class 1 Mode. The Fax Class 1 Mode commands and responses described in this section are applicable when command +FCLASS=1 as shown in Table 4-1. +FCLASS=1.0 - Select Facsimile Class 1.0 Mode +FCLASS=1.0 selects the Fax Class 1.0. The Fax Class 1.
AT Commands for CX930xx Modem Reference Manual +FAE - Auto Answer Enable This command enables or disables fax adaptive answer. This command operates identically to the +FAA command. Syntax +FAE= Defined Values Decimal number corresponding to the selected option. 0 Disable data /fax auto answer mode. (Default.) 1 Enable data /fax auto answer mode.
AT Commands for CX930xx Modem Reference Manual +FRS - Receive Silence This command causes the modem to listen and report an OK result code when silence has been detected on the line for the specified period of time. This command will terminate when the required period of silence is detected or when the DTE sends the modem another character other than XON or XOFF, which is discarded. In either event, the OK result code is returned.
AT Commands for CX930xx Modem Reference Manual +FTM - Transmit Facsimile This command causes the modem to transmit data using the modulation defined below. When a valid value is entered, the modem transmits the proper training sequence in the selected mode, followed by constant 1 bits until data is received from the DTE. The modem also returns the CONNECT result code at the beginning of the training sequence.
AT Commands for CX930xx Modem Reference Manual Reporting Current or Selected Values Command: +FTM? Response: +FTM: Example: +FTM: 98 For V.17 9600 bps. Reporting Supported Range of Parameter Values Command: +FTM=? Response: +FTM: ( range) Example: +FTM: 3,24,48,72,73,74,96,97,98,121,122,145,146 +FRM - Receive Facsimile This command causes the modem to enter the receiver mode using the modulation defined below.
AT Commands for CX930xx Modem Reference Manual +FTH - Transmit Data with HDLC Framing This command causes the modem to transmit data using HDLC protocol and the modulation defined below. Syntax +FTH= Defined Values Decimal number corresponding to the selected modulation mode and data rates shown in Table 4-2. Result Codes CONNECT OK Reported for either of two conditions: 1. At the beginning of transmission of the training pattern for the selected modulation. 2.
AT Commands for CX930xx Modem Reference Manual +FRH - Receive Data with HDLC Framing This command causes the modem to receive frames using HDLC protocol and the modulation defined below. An ERROR response code results if this command is issued while the modem is on-hook. Syntax +FRH= Defined Values Decimal number corresponding to the selected modulation mode and data rates shown in Table 4-2. Reporting Current or Selected Values Command: +FRH? Response: +FRH: Example: +FRH: 98 For V.
AT Commands for CX930xx Modem Reference Manual 4.2.3 Service Class 1 Parameters +FAR - Adaptive Reception Control If Adaptive Reception is enabled, the modem adaptively detects the selected message carrier or V.21 control messages. If the expected carrier is detected, the modem operates as specified in the respective +FRM= or +FRH= commands. If V.21 flag preamble is detected instead, the modem issues a +FRH:3 intermediate result code, and then executes an implied +FRH=3 command.
AT Commands for CX930xx Modem Reference Manual +FCL - Carrier Loss Timeout This parameter allows the DTE to select the modem’s loss-of-carrier delay between initial loss-of-carrier and qualified loss-of-carrier, when the modem will give up and exit a receive mode. Intermediate (less than FCL timeout) loss-of-carrier should be indicated by insertion of the SQ-BAD signal quality indicator in the received data stream. In unframed receive modes, if the modem detects RTC as described in Recommendation T.
AT Commands for CX930xx Modem Reference Manual +FDD - Double Escape Character Replacement This parameter conditions the use of the DLE SUB pair to encode consecutive <1/0> <1/0> in data. This may be used to prevent unbound expansion of data that contains many <1/0> patterns. Syntax +FDD= Defined Values Decimal number corresponding to the selected option.
AT Commands for CX930xx Modem Reference Manual +FIT - DTE Inactivity Timeout This command specifies a DTE inactivity timeout value that allows the modem to break away from an unsuccessful connection attempt at any stage of a facsimile transfer. The DTE inactivity timer operates only while the modem is off-hook. Syntax +FIT=
AT Commands for CX930xx Modem Reference Manual +FPR - Fixed DTE Rate This numeric extended-format parameter specifies the data rate at which the modem will accept commands during on-line operation. It may be used to select operation at rates at which the modem is not capable of automatically detecting the data rate being used by the DTE. Specifying a value of 0 disables the function and allows operation only at rates automatically detectable by the modem.
AT Commands for CX930xx Modem Reference Manual +FMI? - Request Manufacturer Identification This command causes the modem to report the modem product manufacturer. Syntax +FMI? Typical Response CONEXANT OK +FMM? - Request Model Identification This command causes the modem to report the modem product model.
AT Commands for CX930xx Modem Reference Manual +FLO - Flow Control This parameter allows the DTE to identify and select the type of flow control used. Syntax +FLO= Defined Values Decimal number corresponding to the selected option. 0 XON/XOFF and RTS/CTS flow control turned off. 1 Use XON/XOFF flow control in either direction. 2 Use RTS for flow control of the modem by the DTE; use CTS for flow control of the DTE by the modem.
AT Commands for CX930xx Modem Reference Manual Table 4-4. Fax Class 1 Calling Sequence (Transmitting a Single Page) DTE Commands AT+FCLASS=1 Modem Responses OK Local Modem Action Dial and send CNG Look for V.21 Detect flags ATDT Remote Station Action Notes Set Class 1 CONNECT OK Answer send CED, V.21 Send HDLC flags AT+FRH=3 implied by dialing with +FCLASS=1.
AT Commands for CX930xx Modem Reference Manual Table 4-5. Fax Class 1 Answering Sequence (Receiving a Single Page) DTE Commands AT+FCLASS=1 Modem Responses OK RING<- ATA CONNECT CONNECT OK AT+FRH=3 Local Modem Action Remote Station Action detect ringing dials [,send CNG] off-hook, send CED, send V.
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AT Commands for CX930xx Modem Reference Manual 5 Voice Commands 5.1 Voice Commands Overview Voice commands are identified in Table 5-1. Table 5-1. Voice Commands Command +FCLASS +VCID +VNH +FMI? +FMM? +FMR? +FLO +VIP +VRX +VTS +VTX +VGR +VGT +VIT +VLS +VRA +VRN +VSD +VSM +VTD +VDR +VDT +VPR +VSP +VDX +VGM +VGS 102752B Function Configuration Set Mode Caller ID (CID) Automatic Hang-up control Manufacturer Identification Product Identification Version, Revision, etc.
AT Commands for CX930xx Modem Reference Manual 5.1.1 Shielded Event Codes Sent to the DTE Table 5-2 lists the supported shielded codes sent to the DTE in the expression . The number in parenthesis in the second column corresponds to the T.50 equivalent. Table 5-2. Supported Shielded Codes Sent to the DTE Code 5-2 T.50 Equivalent (1/0) X .
AT Commands for CX930xx Modem Reference Manual 5.1.2 Shielded Codes Sent to the Modem (DCE) Table 5-3 lists the supported shielded codes sent to the modem in the expression . The number in parenthesis in the second column corresponds to the T.50 equivalent. Table 5-3.
AT Commands for CX930xx Modem Reference Manual 5.2 Voice Commands 5.2.1 Configuration Commands +FCLASS=8 - Select Voice Mode +FCLASS=8 selects the Voice Mode. The Voice Mode commands and responses described in this section are applicable when command +FCLASS=8. (See Section 3.2.1 for the definition of the FCLASS command.) +VNH - Automatic Hang-up Control This command enables or disables automatic hangups.
AT Commands for CX930xx Modem Reference Manual Reporting Current or Selected Values Command: +VNH? Response: Example: 0 For the default setting. Reporting Supported Range of Parameter Values Command: +VNH=? Response: ( range) Example: (0-2) Result Codes 5.2.2 OK = 0-2. ERROR Otherwise. Voice Commands +VIP - Voice Initialize All Parameters This command causes the modem to initialize all voice parameters to their default values.
AT Commands for CX930xx Modem Reference Manual +VTR - Start Voice Transmission and Reception (Voice Duplex) This command causes the modem to start the voice transmission and reception process (Voice Duplex) without either acoustic echo cancellation or line echo cancellation. The modem begins the Voice Duplex State by returning the CONNECT result code to the DTE. The modem then sends shielded voice data to the DTE, and the DTE can send shielded voice data to the modem.
AT Commands for CX930xx Modem Reference Manual +VTS - Send Voice Tone(s) This command causes the modem to send DTMF digit or hookflash tones with the duration specified by +VTD, to send DTMF digit or hookflash tones with duration specified by this command, or to send single or dual tone frequencies with duration specified with this command. Syntax +VTS= Defined Values The tone generation consists of elements in a list where each element is separated by a comma. Each element can be: 1.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Range of Parameter Values Command: +VTS=? Response: ( range), ( range), ( range) Example: (200-3000),(200-3000),(0-255) OK Result Codes OK Valid command. ERROR The command is invalid, or a selected frequency is out of range. Example 1. This example illustrates tone generation without using any null elements. The command example is followed by a description of command execution.
AT Commands for CX930xx Modem Reference Manual +VTX - Start Modem Transmit (Playback) This command causes the modem to start the voice transmission process. Syntax +VTX Result Codes CONNECT The modem accepts the command. ERROR The modem is not connected to at least one off-hook telephone line or one non-telephone line. +VGR - Voice Gain Receive (Record Gain) This command causes the modem to set the gain for received voice samples.
AT Commands for CX930xx Modem Reference Manual +VGT - Voice Gain Transmit (Playback Volume) This command causes the modem to set the volume level. Syntax +VGT= Defined Values Decimal number corresponding to the volume level. Reporting Current or Selected Values Command: +VGT? Response: Example: 128 For the default setting. Reporting Supported Range of Parameter Values Command: +VGT=? Response: range Example: 0-255 Result Codes 5-10 OK = 0-255.
AT Commands for CX930xx Modem Reference Manual +VIT - Voice Inactivity Timer (DTE/Modem) This command sets the modem’s initial value for the DTE/modem inactivity timer. Syntax +VIT= Defined Values Decimal number corresponding to the time in units of 1.0 second. A value of 0 disables the timer. Reporting Current or Selected Values Command: +VIT? Response: Example: 0 For the default setting.
AT Commands for CX930xx Modem Reference Manual Reporting Supported Range of Parameter Values Command: +VLS=? Response:
AT Commands for CX930xx Modem Reference Manual Table 5-5. +VLS Command Options Label 0 1 Primitives None T 2 3 L LT 4 S 5 ST 6 M 7 MST 8 S1 9 S1T 10 MS1T 11 M1 12 M1ST 13 M1S1T 14 H 15 HT Description DCE on-hook. Local phone connected to the line. DCE off-hook. DCE connected to the line. Local phone provided with power to detect hook condition. DCE on-hook. Local phone connected to the DCE. DCE off-hook. Local phone connected to the line. DCE connected to the line.
AT Commands for CX930xx Modem Reference Manual Table 5-6. Events Detectable in the Voice Mode per V.253 Event Number Event Description Event Reporting 0 Caller Id Report Message 1 DID Report Message 2 Distinctive Ringing Pattern 3 RING Simple 4 DTMF Received Simple 5 Receive Buffer Overrun Simple 6 Facsimile Calling (e.g., 1100 Hz) Simple 7 Data Calling (e.g.
AT Commands for CX930xx Modem Reference Manual +VRA - Ringback Goes Away Timer This command sets the length of time the modem will wait between ringbacks during call origination before the modem can assume that the remote station has gone off-hook. Syntax +VRA= Defined Values Decimal number (0-255) specifying the silence interval time in units of 0.10 second between the end of one ring interval and the start of the next ring interval.
AT Commands for CX930xx Modem Reference Manual +VRN - Ringback Never Appeared Timer This command sets the length of time the modem will wait between ringbacks during call origination before the modem can assume that the remote station has gone off-hook. Syntax +VRN= Defined Values Decimal number specifying the time period, in units of 1.0 second, that the modem will wait for Ringback during call origination.
AT Commands for CX930xx Modem Reference Manual +VSD - Silence Detection (Quiet and Silence) This command causes the modem to set the silence detection sensitivity and the required period of silence before the modem reports silence detected at the end of a voice receive either with the “Presumed End of Message” (QUIT) or “Presumed Hangup (SILENCE) event reports. Syntax +VSD=, Defined Values Decimal number corresponding to the selected parameter.
AT Commands for CX930xx Modem Reference Manual +VSM - Compression Method Selection This command causes the modem to set the voice compression method, the silence compression sensitivity, and the voice sampling rate. Syntax +VSM=,,, Defined Values Decimal number identifying the compression method. containing the supported range of voice samples per second of the analog signal.
AT Commands for CX930xx Modem Reference Manual Example: 1,"UNSIGNED PCM",8,0,8000,0,0 129,"IMA ADPCM",4,0,8000,0,0 130,"UNSIGNED PCM",8,0,8000,0,00 140,"2 Bit ADPCM",2,0,8000,0,0 141,"4 Bit ADPCM",4,0,8000,0,0 OK Result Codes OK Valid range. ERROR Otherwise, or if not in Voice Mode. +VTD - Beep Tone Duration Timer This command causes the modem to set the default DTMF/tone generation duration.
AT Commands for CX930xx Modem Reference Manual +VDR - Distinctive Ring This command causes the modem to enable or disable reporting of the ring cadence information and to control the timing of the RING event code report if ring cadence reporting is enabled. Syntax +VDR=, Defined Values Decimal number corresponding to the selected option. 0 The modem will not report ring cadence information.
AT Commands for CX930xx Modem Reference Manual +VDT - Control Tone Cadence Reporting This command is included for compatibility only and has no effect other than returning a result code. This command allows the modem to enable or disable reporting of the control tone cadence information in the frequency band used by the Ringback/Remote Ring, BUSY, and reorder/Fast Busy tones (usually in the 300 to 600 Hz range).
AT Commands for CX930xx Modem Reference Manual +VPR - Select DTE/Modem Interface Rate (Turn Off Autobaud) This command selects the DTE/modem interface rate.
AT Commands for CX930xx Modem Reference Manual 5.2.3 Speakerphone Commands +VSP - Speakerphone ON/OFF This command turns the speakerphone ON or OFF Syntax +VSP= Defined Values Decimal number corresponding to the selected option. 0 The speakerphone function is OFF. (Default.) 1 The speakerphone function is ON. Reporting Current or Selected Values Command: +VSP? Response: Example: 0 For the default setting.
AT Commands for CX930xx Modem Reference Manual +VDX - Speakerphone Duplex Mode This command selects speakerphone full duplex mode. Syntax +VDX= Defined Values Decimal number corresponding to the selected option. 1 The speakerphone mode is full duplex. Reporting Current or Selected Values Command: +VDX? Response: Example: 1 For the default setting.
AT Commands for CX930xx Modem Reference Manual +VGM - Microphone Gain This command causes the modem to set the microphone gain of the speakerphone function. Syntax +VGM= Defined Values Decimal number between 0 and 255 corresponding to the gain. Reporting Current or Selected Values Command: +VGM? Response: Example: 64 For the default setting.
AT Commands for CX930xx Modem Reference Manual +VGS - Speaker Gain This command causes the modem to set the speaker gain of the speakerphone function. Syntax +VGS= Defined Values Decimal number between 0 and 255 corresponding to the gain. Reporting Current or Selected Values Command: +VGS? Response: Example: 128 For the default setting. Reporting Supported Range of Parameter Values Command: +VGS=? Response: range Example: 0-255 Result Codes 5-26 OK = 0-255.
Index $ $F – Fast Connect Control...............................................3-86 % %7 - Plug and Play Serial Number ..................................3-12 %8 - Plug and Play Vendor ID and Product Number .......3-13 %C - Enable/Disable Data Compression .........................3-74 %E - Enable/Disable Line Quality Monitor .......................3-57 %L - Report Line Signal Level .........................................3-43 %Q - Report Line Signal Quality ......................................
A A - Answer .......................................................................3-35 B B - CCITT or Bell..............................................................3-58 \B - Transmit Break to Remote ........................................3-67 D D - Dial .............................................................................3-33 E E - Command Echo..........................................................3-15 H H - Disconnect (Hang-Up)................................................
NOTES
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