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Command Reference Manual

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3.2.6.3 %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<value>

Defined Values

<value>

Decimal number corresponding to the selected option.

Disables data compression. Resets S46 bit 1.

Enables MNP 5 data compression negotiation. Resets S46 bit 1.

Enables V.42 bis data compression. Sets S46 bit 1.

Enables both V.42 bis and MNP 5 data compression. Sets S46 bit 1. (Default.)

Result Codes

<value> = 0, 1, 2, or 3.

ERROR

Otherwise.

Содержание RC336D

Страница 1: ... RPPDQGV IRU 5 5 DQG 5 5 0RGHPV 5HIHUHQFH 0DQXDO 3UHOLPLQDU 2UGHU 1R 6HSWHPEHU ...

Страница 2: ...lt from its use No license is granted by implication or otherwise under any patent rights of Rockwell International other than for circuitry embodied in Rockwell products Rockwell International reserves the right to change circuitry at any time without notice This document is subject to change without notice K56flex is a trademark of Rockwell International and Lucent Technologies ConfigurACE is a ...

Страница 3: ...1 Numeric Constants 2 3 2 4 2 2 String Constants 2 3 2 4 2 3 Compound Values 2 4 2 4 3 Action Commands 2 4 2 4 3 1 Action Execution Command Syntax 2 4 2 4 3 2 Action Test Command Syntax 2 4 2 4 4 Parameter Commands 2 4 2 4 4 1 Parameter Types 2 4 2 4 4 2 Parameter Set Command Syntax 2 5 2 4 4 3 Parameter Read Command Syntax 2 5 2 4 4 4 Parameter Test Command Syntax 2 5 2 4 5 Additional Syntax Rule...

Страница 4: ...and Echo 3 11 3 2 2 2 Q Quiet Results Codes Control 3 12 3 2 2 3 V Result Code Form 3 12 3 2 2 4 W Connect Message Control 3 12 3 2 2 5 X Extended Result Codes 3 13 3 2 2 6 C RLSD DCD Option 3 17 3 2 2 7 D DTR Option 3 17 3 2 2 8 K Flow Control 3 18 3 2 2 9 M Asynchronous Synchronous Mode Selection 3 18 3 2 2 10 Q Sync Async Mode 3 19 3 2 2 11 R RTS CTS Option 3 19 3 2 2 12 S DSR Override 3 20 3 2...

Страница 5: ...49 3 2 8 1 ESA Configure Synchronous Access Submode 3 49 3 2 8 2 H Enable Disable RPI and Host DSVD 3 50 3 2 8 3 ITF Transmit Flow Control Thresholds 3 51 3 2 9 Diagnostic Commands 3 52 3 2 9 1 UD Last Call Status Report 3 52 3 2 10 Compatibility Commands 3 59 3 2 10 1 L Leased Line Operation 3 59 3 2 10 2 M Enable Cellular Power Level Adjustment 3 59 3 2 10 3 M Initial Cellular Power Level Settin...

Страница 6: ...V 34 Symbol Rates 3 74 3 4 CELLULAR COMMANDS 3 75 3 4 1 Cellular Phone Drivers 3 75 3 4 2 Cellular Commands 3 75 3 4 2 1 C2 Download Cellular Phone Driver 3 75 3 4 2 2 I Identify Cellular Phone Driver 3 75 3 4 2 3 T6 Indicate Status of Cellular Phone 3 76 3 4 3 Operation 3 76 3 4 3 1 Modem Configuration 3 76 3 4 3 2 Fax Configuration 3 77 3 4 3 3 Cellular Phone Configuration 3 77 3 5 RESULT CODES ...

Страница 7: ...ication of T 30 Options 5 4 5 1 6 Session Status Reporting 5 4 5 1 7 Procedure Interrupt Negotiation 5 4 5 2 SERVICE CLASS 2 IDENTIFICATION AND SELECTION 5 4 5 2 1 FMFR Request Manufacturer Identification 5 4 5 2 2 FMDL Identify Product Model 5 4 5 2 3 FREV Identify Product Revision 5 4 5 3 SERVICE CLASS 2 ACTION COMMANDS 5 4 5 3 1 ATD Originate a Call 5 5 5 3 2 ATA Answer a Call 5 5 5 3 2 1 Manua...

Страница 8: ...e C Response Time out 5 18 5 5 9 FAXERR T 30 Session Error Report 5 19 5 5 10 FBOR Data Bit Order 5 19 5 5 11 FAA Answer Parameter 5 19 5 5 12 FBUF Buffer Size 5 20 5 6 EXAMPLE SESSIONS 5 20 6 VOICE COMMANDS 6 1 6 1 Voice Commands Overview 6 1 6 1 1 DLE Shielded Event Codes Sent to the DTE 6 2 6 1 2 DLE Shielded Codes Sent to the Modem DCE 6 3 6 2 Voice Commands 6 4 6 2 1 Configuration Commands 6 ...

Страница 9: ...PR Select DTE Modem Interface Rate Turn Off Autobaud 6 19 6 2 3 Speakerphone Commands 6 20 6 2 3 1 VSP Speakerphone ON OFF 6 20 6 2 3 2 VDX Speakerphone Duplex Mode 6 20 6 2 3 3 VGM Microphone Gain 6 21 6 2 3 4 VGS Speaker Gain 6 21 7 INDEX 7 1 ...

Страница 10: ... Fax Class 1 and Fax Class 1 0 Commands 4 1 Table 4 2 Fax Class 1 and Fax Class 1 0 Modulation Modes and Rates 4 6 Table 4 3 Inactivity Timer Start and Stop Events 4 12 Table 4 4 Fax Class 1 Calling Sequence Transmitting a Single Page 4 15 Table 4 5 Fax Class 1 Answering Sequence Receiving a Single Page 4 16 Table 5 1 Fax Class 2 Commands 5 2 Table 5 2 T 30 Session Subparameter Codes 5 7 Table 5 3...

Страница 11: ...ands and parameters that may be supported by different modem models Refer to Modem Firmware Release notes for commands applicable to specific modem models This manual supersedes the following manual only for the modem families stated above and for firmware issue V3 X or later Commands for RCVDL56ACF RCVDL56ACFL SP RC56D RC336D RC56LD RC336LD Modems Order No 1131 1 1 1 Command Syntax The fundamenta...

Страница 12: ...uit specific application and country requirements ConfigurACE II for Windows allows programming of functions such as Loading of multiple sets of country parameters Loading of NVRAM factory profiles Call progress and blacklisting parameters Entry of S parameter maximum minimum default values Limitation of transmit levels Modification of factory default values Customization of the ATI4 response Cust...

Страница 13: ...sued will depend on the setting of parameters that affect response formats e g Q and V commands see 2 7 2 2 1 Command Line General Format A command line is made up of three elements the prefix the body and the termination character The command line prefix consists of the characters AT or at or to repeat the execution of the previous command line the characters A or a The body is made up of individ...

Страница 14: ...ngle character number may be a string of one or more characters from 0 through 9 representing a decimal integer value Commands that expect a number are noted in the description of the command If a command expects number and it is missing command is immediately followed in the command line by another command or the termination character the value 0 is assumed If a command does not expect a number a...

Страница 15: ...h 9 inclusive Hexadecimal numeric constants consist of a sequence of one or more of the characters 0 through 9 inclusive and A through F inclusive The characters A through F represent the equivalent decimal values 10 through 15 Binary numeric constants consist of a sequence of one or more of the characters 0 and 1 In all numeric constants the most significant digit is specified first Leading 0 cha...

Страница 16: ...one subparameter name value The following syntax is used for actions that have two or more subparameters name compound_value 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 e omit the from the action execution command as well as all...

Страница 17: ...t code and terminates processing of the command line An ERROR is also generated if too many values are specified In case of an error all previous values of the parameter are unaffected 2 4 4 3 Parameter Read Command Syntax The DTE may determine the current value or values stored in a parameter by using the following syntax name The modem responds by sending the current values stored for the parame...

Страница 18: ...smission of the termination character are ignored to allow for the DTE to append additional control characters such as line feed after the command line termination character To ensure that the aborting character is recognized by the modem it should be sent at the same rate as the preceding command line the modem may ignore characters sent at other rates When such an aborting event is recognized by...

Страница 19: ... CARRIER 3 Unsolicited result codes such as RING indicate the occurrence of an event not directly associated with the issuance of a command from the DTE 2 7 2 Extended Syntax Result Codes Extended syntax result codes may be issued in response to either basic or extended commands or both The appropriate responses are specified in the definitions of the commands the responses or both The general for...

Страница 20: ...appears between the parentheses If more than one value is supported then the values may be listed individually separated by comma characters or when a continuous range of values is supported by the first value in the range followed by a hyphen character followed by the last value in the range The specification of single values and ranges of values may be intermixed within a single information text...

Страница 21: ...entered on line data mode it is possible to break into the data transmission in order to issue further commands to the modem in an on line command mode This is achieved by the DTE sending to the modem a sequence of three ASCII characters specified by register S2 The default character is The maximum time allowed between receipt of the last character of the three escape character sequence from the D...

Страница 22: ...ported Range of Parameter Values Command FCLASS Response FCLASS mode range Example FCLASS 0 1 1 0 2 8 80 3 2 1 3 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 Syntax VCID pmode Defined Values pmode Decimal number corresponding to the selected option 0 Disable Caller ID reporting ...

Страница 23: ...orrection mode The modem will first attempt a LAPM connection and then an MNP connection Failure to make a reliable connection results in the modem hanging up Forces Q5 S36 4 and S48 7 3 Selects auto reliable mode This operates the same as N2 except failure to make a reliable connection results in the modem falling back to the speed buffered normal mode Forces Q5 S36 7 and S48 7 4 Selects LAPM err...

Страница 24: ... analogous to establishing a regular data modem connection Initiate the call using normal dialing ATD and answering ATA procedures The modem can switch from a regular phone conversation into AudioSpan or DSVD mode and back to phone conversation A handset headset or microphone speaker can be used for voice communication during AudioSpan or DSVD mode AudioSpan operates in normal non error corrected ...

Страница 25: ...g V3 00 F Firmware model and ROM Size V90 or V34 V90 or V34 in 1M ROM V90_2M or V34_2M V90 or V34 in 2M ROM A Application DLS Desktop serial DLP Desktop parallel DLL Low Power PC Card DL3 Low Power 3V DLG Low Power World Class Example V3 000 V90_2M_DLS Note If RPI is enabled see Hn command ROCKWELL RPI TM is appended 4 Reports OEM defined identifier string in either Hayes compatible binary format ...

Страница 26: ...d format command causes the modem to transmit one or more lines of information text listing additional capabilities command name s which is intended to permit the user to identify the overall capabilities of the modem In particular if the modem implements a particular modem control standard that uses Extended Syntax Commands and if that modem control standard includes command s that indicate gener...

Страница 27: ...ia 53 Portugal 8B Belgium 0F Ireland 57 Russia B8 Bulgaria 1B Israel 58 Singapore 9C Canada 20 Italy 59 Spain A0 China 26 Japan 00 Sweden A5 Czech and Slavak Federal Republic 2E Korea 61 Switzerland A6 Denmark 31 Luxembourg 69 Taiwan FE Finland 3C Mexico 73 United Kingdom B4 France 3D Netherlands 7B United States B5 Germany 42 New Zealand 7E Greece 46 Norway 82 Hong Kong 50 Philippines 89 Default ...

Страница 28: ... an asynchronous operation in non error correction mode normal To terminate the test in progress the escape sequence must be entered first see Section 3 1 1 Syntax T value Defined Values value Decimal number corresponding to the selected option 0 Terminates test in progress Clears S16 1 Initiates local analog loopback V 54 Loop 3 Sets S16 bit 0 If a connection exists when this command is issued th...

Страница 29: ... Codes OK value 0 or 1 ERROR Otherwise 3 2 1 16 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 value Defined Values value Decimal number from 0 to 3 corresponding to the selected telephone number string Dial string from 0 to 31 characters Result Codes OK For va...

Страница 30: ... flash memory device being programmed and any messages that may be sent during the load process 2 If the user wishes to upload new firmware to the modem then he will then load the new modem firmware which the uploader FLM will then program into the flash memory device This transfer is done via XMODEM transfer If the user wishes to download existing firmware from the modem then he will set up the h...

Страница 31: ...pletion of a successful upload or download then the modem will do a cold start The uploader and downloader flash load modules FLM have several built in safety mechanisms to reduce the risk of a failed flash upload download The FLM will not allow a user to upload a firmware of different model serial parallel etc or crystal speed than what is currently in the flash memory Also it will not allow the ...

Страница 32: ...ult Codes OK value 0 or 1 ERROR Otherwise 3 2 2 4 W Connect Message Control This command in conjunction with S95 bits 0 2 3 and 5 bits 2 3 and 5 can be written directly by the host or by the MR ER and DR commands respectively control the format of CONNECT messages see Section 3 5 and Table 3 15 The actual result code messages reported reflect the W command setting and the S95 bit settings Also see...

Страница 33: ...ting of busy tones unless forced otherwise by country requirements send only OK CONNECT RING NO CARRIER ERROR NO ANSWER and CONNECT XXXX XXXX rate Blind dialing enabled disabled by country parameters 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 CARRIER will be...

Страница 34: ...9200 1 x x x x 17 CONNECT 38400 1 x x x x 18 CONNECT 57600 1 x x x x 19 CONNECT 115200 1 x x x x 20 CONNECT 230400 x x x x x 22 CONNECT 75TX 1200RX 1 x x x x 23 CONNECT 1200TX 75RX 1 x x x x 24 DELAYED 4 4 4 4 x 32 BLACKLISTED 4 4 4 4 x 33 FAX x x x x x 35 DATA x x x x x 40 MRR 300 x x x x x 44 MRR 1200 75 x x x x x 45 MRR 75 1200 x x x x x 46 MRR 1200 x x x x x 47 MRR 2400 x x x x x 48 MRR 4800 x...

Страница 35: ... 138 MCR V22B x x x x x 139 MCR V23 x x x x x 140 MCR V32 x x x x x 141 MCR V32B x x x x x 142 MCR V34 x x x x x 144 MCR K56 x x x x x Note 2 145 MCR V90 x x x x x Note 2 150 MRR 32000 x x x x x Note 2 151 MRR 34000 x x x x x Note 2 152 MRR 36000 x x x x x Note 2 153 MRR 38000 x x x x x Note 2 154 MRR 40000 x x x x x Note 2 155 MRR 42000 x x x x x Note 2 156 MRR 44000 x x x x x Note 2 157 MRR 4600...

Страница 36: ...33 x x x x x Note 2 192 CONNECT 50667 x x x x x Note 2 193 CONNECT 53333 x x x x x Note 2 194 CONNECT 54667 x x x x x Note 2 195 MRR 28000 x x x x x Note 2 196 MRR 29333 x x x x x Note 2 197 MRR 30667 x x x x x Note 2 198 MRR 33333 x x x x x Note 2 199 MRR 34667 x x x x x Note 2 200 MRR 37333 x x x x x Note 2 201 MRR 38667 x x x x x Note 2 202 MRR 41333 x x x x x Note 2 203 MRR 42667 x x x x x Not...

Страница 37: ...eration with DTEs which do not provide DTR Q1 DTR drop causes the modem to hang up Auto answer is not affected Q2 Q3 DTR drop causes the modem to hang up Auto answer is inhibited 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 s...

Страница 38: ...rmal buffered mode but the command sequence N0 M0 selects direct mode This is because the N0 command is analogous to the Q6 command The value 000b is written to S27 bits 3 1 and 0 respectively See Q 1 Selects synchronous connect mode with async off line command mode The value 001b is written to S27 bits 3 1 and 0 respectively Serial interface operation only 2 Selects synchronous connect mode with ...

Страница 39: ... Data switch The value 011b is written to S27 bits 3 1 and 0 respectively See M3 Serial interface operation only 5 The modem will try to negotiate an error corrected link The modem can be configured using S36 to determine whether a failure will result in the modem returning on hook or will result in fallback to an asynchronous connection The value 101b is written to S27 bits 3 1 and 0 respectively...

Страница 40: ...n asynchronous mode the transmit and receive clocks are turned OFF In synchronous mode the clocks are turned ON with the frequency of 1200 Hz or faster corresponding to the speed that is selected for modem operation Syntax X value Defined Values value Decimal number corresponding to the selected option 0 Selects internal timing The modem generates the transmit clock signal and applies it to the TX...

Страница 41: ...te specified does not apply in OnLine Data State if Normal Mode Direct Mode of operation is selected Syntax IPR rate Defined Values rate Specifies the DTE modem interface operation rate in bits s The available rates are 0 300 1200 2400 4800 9600 19200 38400 57600 or 115200 If unspecified or set to 0 automatic detection is selected and the character format is also forced to autodetect ICF 0 If the ...

Страница 42: ... method to be used by the modem to control the flow of transmitted data from the DTE 0 None 1 XON XOFF on received data 2 CTS RTS Default Reporting Current or Selected Values Command IFC Response IFC modem_by_DTE DTE_by_modem Example IFC 2 2 for the defaults Reporting Supported Range of Parameter Values Command IFC Response IFC modem_by_DTE range DTE_by_modem range Example IFC 0 2 0 2 3 2 2 16 ILR...

Страница 43: ...te mode In W class models the action of going off hook is affected by the status of the Line Current Sense input if line current sensing is enabled and by the blacklist and delayed list NOTE If the ATD command is issued before the S1 register has cleared the modem will respond with the NO CARRIER result code If FCLASS 0 is selected the modem will behave as a data modem and will attempt to connect ...

Страница 44: ...ore continuing with the next dial string parameter If the modem does not detect these 5 seconds of silence before the expiration of the call abort timer S7 the modem will terminate the call attempt with a NO ANSWER message If busy detection is enabled the modem may terminate the call with the BUSY result code If answer tone arrives during execution of this parameter the modem handshakes Wait for c...

Страница 45: ...ific requirements If FCLASS 0 is selected the modem will enter the connect state after exchanging carrier with the remote modem If no carrier is detected within a period specified in register S7 the modem hangs up Any character entered during the connect sequence will abort the connection attempt If FCLASS 1 1 0 or 2 is selected the modem will go off hook in V 21 answer mode It will generate the V...

Страница 46: ...negotiate rate down one speed used for diagnostic purpose only 5 Renegotiate rate up one speed used for diagnostic purpose only Result Codes OK value 0 to 5 and a connection exists ERROR Otherwise or if not connected 3 2 3 7 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 value Defined Values value Decimal number co...

Страница 47: ...eak Ratio This command determines the make break ratio used during pulse dialing It is only effective if the appropriate bit to enable this command is set through the ConfigurACE program If enabled it will override the make break ratios in the OEM parameters in ConfigurACE The default is country dependent The parameter value if valid is written to S28 bits 3 and 4 Syntax P value Defined Values val...

Страница 48: ... W0 X4 Y0 C0 D0 G2 K3 Q5 R1 S0 T4 X0 Y0 S00 002 S01 000 S02 043 S03 013 S04 010 S05 008 S06 002 S07 030 S08 002 S09 006 S10 014 S11 255 S12 050 S18 000 S25 005 S26 001 S36 007 S37 000 S38 020 S46 138 S48 007 S95 000 STORED PROFILE 0 B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 C0 D0 G2 K3 Q5 R1 S0 T4 X0 S00 002 S02 043 S06 002 S07 030 S08 002 S09 006 S10 014 S11 095 S12 050 S18 000 S36 007 S37 000 S40 105 S41 ...

Страница 49: ...ttern Shows which bits are being robbed in the least significant 6 bytes e g 03 indicates 2 robbed bits in bit positions 0 and 1 Digital Loss Shows if a pad was encountered and if so what was the digital loss 2000 means 0dB Flex Shows V 8bis information as follows First byte Octet 13 second byte of manufacturer id 94 K56flex Second byte Octet 14 Licensee code 81 Rockwell Third byte Octet 15 manufa...

Страница 50: ...Data Where DTE Speed DTE speed e g 57600 Modulation V90 for V 90 modulation K56 for K56flex modulation V34 for V 34 modulation V32 for V 32 or V 32bis modulation Note Modulation is omitted for all other modulations Protocol NONE for no protocol ALT for Microcom Network Protocol LAPM for LAP M protocol Compression ALT for Microcom MNP5 compression V42B for V 42bis compression Note Compression is om...

Страница 51: ...umbers as defined by country requirements will not appear on this list If no numbers are blacklisted only the OK result code is issued Syntax B Example NO PHONE NUMBER 1 4175537660 2 8288924961 3 3887278862 4 3124839442 5 6284664 OK 3 2 3 17 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 retu...

Страница 52: ...ue Decimal number corresponding to the selected option 0 Disables Line In Use and Extension Pickup Remote Hangup Detection Default 3 Enables Line In Use and disables Extension Pickup Remote Hangup Detection 4 Disables Line In Use and enables Extension Pickup Remote Hangup Detection 5 Enables both Line In Use and Extension Pickup Remote Hangup Detection Result Codes OK value 0 3 ERROR Otherwise ...

Страница 53: ...ic digits and upper case letters carrier values for ITU standard modulations take the form letter 1 4 digits other letters as needed Defined values are listed in Table 3 2 automode A numeric value which enables or disables automatic modulation negotiation e g ITU T V 32bis Annex A or V 8 0 Automode disabled 1 Automode enabled Default min_rx_rate and max_rx_rate Numeric values which specify the low...

Страница 54: ...ier and MRR rate intermediate result codes represent the current negotiated or renegotiated modulation carrier and rate that are transmitted at the point during connect negotiation handshaking at which the modem has determined which modulation and rate will be used i e before any Error Control or Data Compression reports are transmitted and before any final result code e g CONNECT is transmitted S...

Страница 55: ...option 0 Disable line quality monitor and auto retrain 1 Enable line quality monitor and auto retrain 2 Enable line quality monitor and fallback fall forward Default Result Codes OK value 0 1 or 2 ERROR Otherwise Fallback Fall Forward When E2 is active the modem monitors the line quality EQM When line quality is insufficient the modem will initiate a rate renegotiation to a lower speed within the ...

Страница 56: ...ise 3 2 4 5 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 value Defined Values value Decimal number corresponding to the selected option 0 Selects CCITT operation a...

Страница 57: ...Mode when connection is complete and Data Mode is entered orig_fbk Decimal number which specifies the acceptable fallback mode of operation when the modem is operating as the originator 0 LAPM MNP or Normal Mode error control optional Default 1 LAPM MNP or Direct Mode error control optional 2 LAPM or MNP error control required disconnect if error control is not established 3 LAPM error control req...

Страница 58: ...tings ES 6 0 8 For V 80 Synchronous Access Mode originator and answerer Reporting Supported Range of Parameter Values Command ES Response ES orig_rqst range orig_fbk range ans_fbk range Example ES 0 4 6 7 0 4 0 6 8 9 3 2 5 2 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 Synta...

Страница 59: ...e EFCS value Example EFCS 0 For default setting Reporting Supported Range of Parameter Values Command EFCS Response EFCS value range Example EFCS 0 3 2 5 5 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 m...

Страница 60: ... in use Example ER LAPM 3 2 5 6 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 pending_TD pending_RD timer Defined Values pending_TD Decimal number 0 specifying that disconnect will occur immediately and all buffered transmit data will b...

Страница 61: ...h the active error correction protocol giving no indication of the length Syntax B value Defined Values value Decimal number corresponding to the selected option 1 9 Break length in 100 ms units Default 3 Non error corrected mode only Result Codes OK If connected in data modem mode NO CARRIER If not connected or connected in fax modem mode Note When the modem receives a break from the remote modem...

Страница 62: ...e is where the modem is in the on line command state waiting for AT commands during a data connection and the B is received in order to send a break to the remote modem 0 Clear data buffers and send break to remote modem 1 Clear data buffers and send break to remote modem Same as 0 2 Send break to remote modem immediately 3 Send break to remote modem immediately Same as 2 4 Send break to remote mo...

Страница 63: ... in the modem It accepts four numeric subparameters Syntax DS direction compr_neg max_dict max_string Defined Values direction Specifies the desired direction s of operation of the data compression function from the DTE point of view 0 Negotiated no compression V 42bis P0 0 3 both directions accept any direction V 42bis P0 11 Default compr_neg Specifies whether or not the modem should continue to ...

Страница 64: ...d DR result code transmitted Default Reporting Current or Selected Values Command DR Response DR current value Example DR 1 For the default setting Reporting Supported Range of Parameter Values Command DR Response DR value range Example DR 0 1 DR type Intermediate Result Code The DR type reported represents the current negotiated or renegotiated modem modem data compression type If enabled the int...

Страница 65: ...alue if valid is written to S41 bits 0 and 1 Syntax C value Defined Values value 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 42 bis data compression Sets S46 bit 1 3 Enables both V 42 bis and MNP 5 data compression Sets S46 bit 1 Default Result Codes OK value 0 1 2 or 3 ER...

Страница 66: ... controlled V 8 origination negotiation 1 Enable DCE controlled V 8 origination negotiation without A8x indications Default 6 Enable DCE controlled V 8 origination negotiation with A8x indications v8a Decimal number which enables disables issuance of A8x indications during modem controlled V 8 answer negotiation 1 Enable DCE controlled V 8 answer negotiation without A8x indications Default 5 Enabl...

Страница 67: ...A8I CI Signal Indication This indication is issued by an answering modem if A8E v8a 0 to indicate detection of a V 8 CI signal and report the recovered Call Function octet s Indication Syntax A8I v8cf CR Defined Values v8cf A hexadecimal code octet representation of those Call Function octet s A8I 0 indicates that the modem timed out waiting for CI Example A8I 0 The modem timed out waiting for CI ...

Страница 68: ...equence transmitted by the modem when a transmit data buffer underrun condition occurs immediately after a flag while operating in Framed sub Mode The options are 0 In Framed sub Mode modem transmits HDLC flags on idle default and fixed framed_un_ov Specifies the actions undertaken by the modem when a transmit data buffer underrun or overrun condition occurs immediately after a non flag octet whil...

Страница 69: ... 0 0 1 0 1 0 255 3 2 8 2 H Enable Disable RPI and Host DSVD This command enables or disables Rockwell Protocol Interface RPI processing and sets the DTE speed Syntax VCID value Defined Values value Decimal number corresponding to the selected option 0 Disable protocol interface and video ready mode 1 Enable RPI mode and set DTE speed to 19200 bps 2 Enable RPI mode and set DTE speed to 38400 bps 3 ...

Страница 70: ...the DTE with the exception of DC1 and DC3 if these are used to signal modem by DTE flow control The modem returns the ERROR result code if the DTE specifies that the off subparameter be set to a value less than or equal to the on subparameter in this case the current parameter value settings are not modified on Determines the threshold in octets below which the modem will generate a flow on signal...

Страница 71: ... register S0 0 and ring detected These results are NOT cleared by changing DTR V 24 circuit 108 2 if D0 D1 or D2 Data Call State Model For purposes of this command there are four data call states and associated status issues Call Setup Calling DCE get dial tone generate dial digits detect call progress signals Answering DCE detect ringing detect CallerID etc Negotiation V 25 calling tone answer to...

Страница 72: ...it values are reported MSD first Leading 0 s may be deleted See examples in Table 3 12 Monitoring an active connection This command is intended for use after call termination However codes are defined so that a modem can respond before the first call is placed and during a call for live monitoring purposes For example key 60 call termination has value 1 defined indicating that the call is still in...

Страница 73: ...r data rate 0 64000 in bit s 30 0 FF Temporary carrier loss event count 31 0 FF Carrier Rate re negotiation event count 32 0 FF Carrier Retrains requested 33 0 FF Carrier Retrain requests granted 34 0 FA00 Final transmit carrier data rate in bit s 35 0 FA00 Final receive carrier data rate in bit s 40 Table 3 9 Protocol Negotiation Result 41 0 400 Error Control frame size in bytes 42 0 FF Error con...

Страница 74: ... g V 25 CT V 8 CI 9 Fax Answering signal detected e g T 30 CED DIS A Fax Calling signal detected e g T 30 CNG B V 8bis signal detected Table 3 5 Multimedia Modes Code Definition 0 Data Only 1 Fax Only 2 Voice 3 VoiceView 4 ASVD V 61 8 DSVD V 70 9 Video telephony H 324 A Other V 80 call Table 3 6 DTE DCE modes Code Definition 0 Async data 1 V 80 transparent synchronous mode 2 V 80 framed synchronou...

Страница 75: ... Constant Carrier 1200 75 8 V 27ter G3 Fax call 9 V 29 HD G3 Fax call A V 32 B V 32bis C V 34 E V 90 81 K56flex 84 Bell 212A 85 Bell 103 Table 3 9 errorControl Active from 3 5 2 V 58 Value Description 0 Disable none 1 V 42 LAPM 2 V 42 Alternative protocol MNP 80 MNP10 Table 3 10 compressionActive from 3 2 2 V 58 Value Description 0 None 1 V 42bis 80 MNP5 ...

Страница 76: ... If incoming call while sending dial command 2E LoopCurrentInterrupted 2F NoDialTone 31 ReorderTone Fast busy 33 EngagedTone Busy 34 LongSpaceDisconnect And if modem program to abort on long space 3C CarrierLost Signal Converter 3D TrainingFailed 3E NoModulationinCommon 3F RetrainFailed 40 RetrainAttemptCountExceeded 41 GstnCleardownReceived 42 FaxDetected If this was not a fax call attempt 46 InT...

Страница 77: ... D 25 1F40 27 DAC0 Receiver V 90 training completed V 90 symbol rate 8000 initial receive rate is 56000 bit s DIAG 2A4D3263 30 00 31 03 32 01 33 01 No carrier loss events 3 carrier rate renegotiations attempted 1 carrier retrain requested 1 carrier retrain granted DIAG 2A4D3263 34 7080 35 CB20 Final transmit rate is 28800 bit s final receive rate is 52000 bit s DIAG 2A4D3263 40 1 41 100 LAPM negot...

Страница 78: ... operation Dial up operation continues Result Codes OK 0 ERROR Otherwise 3 2 10 2 M Enable Cellular Power Level Adjustment This command is included for compatibility only and has no effect other than returning a result code Syntax M value Defined Values value Decimal number corresponding to the selected option 0 M0 command 1 M1 command 2 M2 command Result Codes OK 0 to 2 ERROR Otherwise 3 2 10 3 M...

Страница 79: ...Enable Command This command is included for compatibility only and has no effect other than returning a result code Syntax E value Defined Values value Decimal number corresponding to the selected option 0 E0 command 1 E1 command Result Codes OK 0 or 1 ERROR Otherwise ...

Страница 80: ... of the last register accessed to 20 If the number n is outside the range of the S Parameters available the modem will return the ERROR message If the value v is outside the range permitted for a given S Parameter the modem will return the ERROR message Input and output are always in decimal format Note that some S Parameters are read only In some cases writing to the S Parameter will appear to be...

Страница 81: ...ker Results Bit Mapped Options Status 117 75h S23 General Bit Mapped Options Status 62 3Dh S24 Sleep Inactivity Timer 0 255 s 0 S25 Delay to DTR Off 0 255 s or 0 01 s 5 S26 RTS to CTS Delay 0 255 0 01 s 1 S27 General Bit Mapped Options Status 73 49h S28 General Bit Mapped Options Status 0 S29 Flash Dial Modifier Time 0 255 10 ms 70 S30 Disconnect Inactivity Timer 0 255 10 s 0 S31 General Bit Mappe...

Страница 82: ...d line and result code terminator character Pertains to asynchronous operation only Range 0 127 ASCII decimal Default 13 Carriage Return 3 3 3 5 S4 Line Feed Character S4 sets the character recognized as a line feed Pertains to asynchronous operation only The Line Feed control character is output after the Carriage Return control character if verbose result codes are used Range 0 127 ASCII decimal...

Страница 83: ...r before continuing with the next dial string parameter 3 Sets the length of time in seconds that the modem will wait for dial tone when encountering a W dial modifier before continuing with the next dial string parameter US models Range 1 255 seconds Default 50 3 3 3 9 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 d...

Страница 84: ...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 Range 0 255 1 50 of a second Default 50 1 second 3 3 3 14 S14 General Bit Mapped Options Status S14 indicates the status of command options Default 138 8Ah 10001010b Bit 0 This bit is ignored Bit 1 Comma...

Страница 85: ...is supported for backwards compatibility only No value can be written Responds with default value Range None Default 0 3 3 3 18 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 CTS tracks RTS R0 1 CTS always on R1 Default Bits 3 4 DTR behavior Dn 0 D0 selected 1 D1 selected 2 D2 selected Defa...

Страница 86: ... tone Gn 0 None G0 Default 1 None G1 2 1800 Hz G2 3 3 3 21 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 The timer is reset upon any DTE line or telephone line activity If the S24 value is zero neither DTE line nor telephone inactivity will cause ...

Страница 87: ... 0 M2 or Q2 0 1 1 M3 or Q3 1 0 0 Reserved 1 0 1 Q5 Default 1 1 0 Q6 Bit 2 Leased line control Ln 0 Dial up line L0 Default Bits 4 5 Internal clock select Xn 0 Internal clock X0 Default 1 External clock X1 2 Slave clock X2 Bit 6 CCITT Bell mode select Bn 0 CCITT mode B0 1 Bell mode B1 Default Bit 7 Reserved 3 3 3 25 S28 Bit Mapped Options Status S28 indicates bit mapped options status Default 0 Bit...

Страница 88: ...n V0 Default 1 Single line connect message V1 Bit 1 Reserved 0 Bits 2 3 Error correction progress messages Wn 0 DTE speed only W0 Default 1 Full reporting W1 2 DCE line speed only W2 Bits 4 5 Caller ID CID 0 Caller ID disabled CID 0 Default 1 Short formatted Caller ID enabled CID 1 2 Long unformatted Caller ID enabled CID 2 Bits 6 7 Reserved Default 11b 3 3 3 29 S36 LAPM Failure Control Default 7 ...

Страница 89: ...o indicate that data has been lost If all data is transmitted prior to time out the response to the H0 command will be OK 2 If S38 is set to 255 the modem does not time out and continues to attempt to deliver data in the buffer until the connection is lost or the data is delivered Range 0 255 seconds Default 20 3 3 3 31 S39 Flow Control Bit Mapped Options Status Default 3 00000011b Bits 0 2 Status...

Страница 90: ... 136 or 138 Default 138 S46 136 Execute error correction protocol with no compression S46 138 Execute error correction protocol with compression Default 3 3 3 35 S48 V 42 Negotiation Control The V 42 negotiation process determines the capabilities of the remote modem However when the capabilities of the remote modem are known and negotiation is unnecessary this process can be bypassed if so desire...

Страница 91: ...feature negotiation S86 7 This modem is async only the other modem is sync only S86 8 No framing technique in common S86 9 No protocol in common S86 10 Bad response to feature negotiation S86 11 No sync information from the remote modem S86 12 Normal hangup initiated by the remote modem S86 13 Retransmission limit reached S86 14 Protocol violation occurred S86 15 Lost DTR S86 16 Received GSTN clea...

Страница 92: ...sing ConfigurACE Range 0 to 15 dBm Corresponding to 0 to 15 dBm transmit level Default 10 10 dBm transmit level 3 3 3 39 S95 Extended Result Codes Control A bit set to a 1 in this parameter in conjunction with the W command will enable the corresponding extended result code see Section 3 5 and Table 3 15 The MR ER and DR settings also control S95 bits 2 3 and 5 respectively The more recent setting...

Страница 93: ...2400 only 0 0 1 2400 only no 2734 0 1 0 2400 2800 0 1 1 2400 2800 3000 1 0 0 2400 2800 3000 3200 1 0 1 2400 2800 3000 3200 3429 Default Bit 3 Enable disable V 34 asymmetric rates 0 Disable asymmetric rates 1 Enable asymmetric rates Default Bits 4 7 Reserved Examples S210 13 Enable asymmetric rates with all symbol rates available Default S210 5 Disable asymmetric rates with all symbol rates availab...

Страница 94: ...ch cellular phone or make of cellular phones 3 4 1 Cellular Phone Drivers The data interface to cellular phones differs between manufacturers and models and requires a unique cellular phone driver for each phone or group of phones Therefore the particular phone driver needs to be downloaded from the PC into the modem s RAM before the modem can be used directly with the cellular phone If a driver i...

Страница 95: ...or answer calls the same AT commands and software packages that are used for landline communication sessions can be used If the cellular phone is not connected or is powered off dial answer functions will be routed through the landline DAA and if V 42 bis connection is established the cellular phone driver will be purged so that the V 42 bis dictionaries can be increased to their normal size While...

Страница 96: ...igh network attenuation do not have connection problems when communicating to modems configured for cellular operation The above configurations are the minimum additional AT commands may be issued to change the result messages etc AT F is used to ensure that the modem is in a know state Table 3 14 summarizes the mode and resulting transmit levels for both modems depending on their configuration 3 ...

Страница 97: ... Driver BTxlv x Mod V 32bis Mode EC RTxlv Driver BTxlv x AT F SEC 1 x Mod V 32bis Mode Single EC RTxlv x BTxlv 10 Mod V 32bis Mode Single EC RTxlv x BTxlv 10 Mod V 32bis Mode EC RTxlv x BTxlv x Mod V 32bis Mode EC RTxlv x BTxlv x V 34 PSTN AT F Mod V 34 Mode non EC RTxlv 10 BTxlv 10 Mod V 32bis Mode non EC RTxlv 10 BTxlv 10 Mod V 34 Mode Single EC RTxlv 10 BTxlv x Mod V 32bis Mode Single EC RTxlv ...

Страница 98: ...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 The long form code is preceded and terminated by the sequence CR LF The short form is terminated by CR only with no preceding sequence If result messages are suppressed nothing is returned to the DTE The long form results cod...

Страница 99: ...For X3 and X4 if busy tone detection is enforced the busy engaged signal is detected on the line when the modem is attempting to originate a call 8 NO ANSWER The modem is attempting to originate a call if a continuous ringback signal is detected on the line until the expiration of the timer S7 9 CONNECT 600 The modem has connected to the line the DTE speed is 600 bps and DTE speed reporting is ena...

Страница 100: ...ed 61 CONNECT 21600 The modem has connected to the line the DTE speed is 21600 bps and DTE speed reporting is enabled 62 CONNECT 24000 The modem has connected to the line the DTE speed is 24000 bps and DTE speed reporting is enabled 63 CONNECT 26400 The modem has connected to the line the DTE speed is 26400 bps and DTE speed reporting is enabled 64 CONNECT 28800 The modem has connected to the line...

Страница 101: ...is enabled See S95 and Xn 158 MRR 48000 The modem has connected to the line at 48000 bps and carrier reporting is enabled See S95 and Xn 159 MRR 50000 The modem has connected to the line at 50000 bps and carrier reporting is enabled See S95 and Xn 160 MRR 52000 The modem has connected to the line at 52000 bps and carrier reporting is enabled See S95 and Xn 161 MRR 54000 The modem has connected to ...

Страница 102: ...e line at 30667 bps and carrier reporting is enabled See S95 and Xn 198 MRR 33333 The modem has connected to the line at 33333 bps and carrier reporting is enabled See S95 and Xn 199 MRR 34667 The modem has connected to the line at 34667 bps and carrier reporting is enabled See S95 and Xn 200 MRR 37333 The modem has connected to the line at 37333 bps and carrier reporting is enabled See S95 and Xn...

Страница 103: ...ting DLE ETX into the data stream after the FCS bytes 4 1 3 Fax Mode Selection Fax Class 1 and Fax Class 1 0 commands are identified in Table 4 1 Fax Class 1 0 includes all Fax Class 1 commands Table 4 1 Fax Class 1 and Fax Class 1 0 Commands Command Parameter Function Applicable in Fax Class 1 Applicable in Fax Class 1 0 FCLASS class Select read or test service class X X FAA value Auto answer ena...

Страница 104: ...on Fax control reception is initiated using the AT FRH mod command After this command is issued the modem looks for carrier in the modulation scheme specified by the parameter n If no carrier is detected before the period of time specified by register S7 expires the modem generates the NO CARRIER message and returns to command mode If a carrier is detected that is not the one specified by the para...

Страница 105: ... received from the DTE after the DLE ETX 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 If the last character transmitted was an ASCII NULL the modem generates the CONNECT message to t...

Страница 106: ...e This command enables or disables fax adaptive answer This command operates identically to the FAE command Syntax FAA value Defined Values value Decimal number corresponding to the selected option 0 Disable data fax auto answer mode Default 1 Enable data fax auto answer mode The modem determines the calling type and issues DATA result code 13 if the caller is a data modem or issues FAX result cod...

Страница 107: ... 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 This command is aborted if any character is received from the DTE after receipt of the command but before the time delay elapses In this case the modem...

Страница 108: ...short 9600 bps short 121 V 17 long 12000 bps long 122 V 17 short 12000 bps short 145 V 17 long 14400 bps long 146 V 17 short 14400 bps short Result Codes CONNECT Reported when the modems begins the training sequence after receipt of a valid mod value ERROR If the modem s transmit buffer becomes empty and the last transmitted character is NUL 00 the modem continues to transmit NULs until the DTE se...

Страница 109: ... FRM 98 For V 17 9600 bps Reporting Supported Range of Parameter Values Command FRM Response FRM mod range Example FRM 3 24 48 72 73 74 96 97 98 121 122 145 146 Result Codes CONNECT Reported when the selected carrier is detected FCERROR Reported if another carrier is detected and FAR 0 the modem then returns to the command state NO CARRIER Reported if loss of carrier is detected OK Reported if the...

Страница 110: ...ern for the selected modulation 2 If the Final Frame bit is 0 OK Reported for either of two conditions 1 If the Final Frame Bit is 1 2 if the DTE sends only DLE ETX a null frame while transmitting flags ERROR Reported if five seconds elapse from the time when the modem reported the CONNECT result code without any additional data transmitted from the DTE the modem then turns off carrier and returns...

Страница 111: ...600 bps Reporting Supported Range of Parameter Values Command FRH Response FRH Example FRH 98 For V 17 9600 bps Result Codes CONNECT Reported for either of two conditions 1 When the selected carrier is detected with an HDLC flag 2 If the DTE sends another FTH MOD command after sending the result code indicating frame reception is complete FCERROR Reported if a different carrier is detected and FAR...

Страница 112: ...fied 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 30 prior to initial loss of the high speed carrier or if the modem detects V 21 carrier afte...

Страница 113: ...lues value Decimal number corresponding to the selected option For modem decode of DLE SUB the defined range are 0 DLE DLE or discard default and only 1 DLE DLE not supported For modem encoding of 1 0 1 0 the defined values are 0 DLE DLE DLE DLE default and only 1 DLE SUB not supported Reporting Current or Selected Values Command FDD Response FDD value Example FDD 0 For the default setting Reporti...

Страница 114: ... The action parameter has two meanings 0 Upon timeout the modem will go on hook executing an implied ATH command then reset to FCLASS 0 1 Upon timeout the DCE will only go on hook Reporting Current or Selected Values Command FIT Response FIT time action Example FIT 0 0 For the default settings Reporting Supported Range of Parameter Values Command FIT Response FIT time range action range Example FI...

Страница 115: ...ilable rate codes are 0 Automatic detection default 1 2400 bits s executes IPR 2400 2 4800 bits s executes IPR 4800 4 9600 bits s executes IPR 9600 8 19200 bits s executes IPR 19200 10 38400 bits s executes IPR 38400 18 57400 bits s executes IPR 57400 If unspecified or set to 0 automatic detection is selected and the character format is also forced to autodetect ICF 0 If the rate specified is not ...

Страница 116: ... the modem by the DTE use CTS for flow control of the DTE by the modem Reporting Current or Selected Values Command FLO Response FLO method Example FLO 0 For the default setting Reporting Supported Range of Parameter Values Command FLO Response FLO method range Example FLO 0 2 Result Codes OK method 0 2 ERROR Otherwise 4 3 EXAMPLES Examples of calling transmitting and answering receiving one page ...

Страница 117: ...s the modem to expect another frame Final frame bit set tells the modem not to expect another frame AT FTS 8 FTM 96 TCF data pattern DLE ETX CONNECT OK wait 80 ms send V 29 carrier send TCF data drop carrier detect carrier get TCF data AT FRH 3 CONNECT CFR frame data DLE ETX OK detect carrier detect flags get CFR frame check FCS accept FCS send V 21 carrier send flags get CRF frame send FCS Final ...

Страница 118: ...E did not check final frame bit and issued FRH 3 AT FTM 96 CONNECT TCF data DLE ETX OK detect carrier receive TCF detect loss of carrier wait 75 ms send V 29 carrier send TCF data drop carrier AT FRH 3 CFR frame data DLE ETX CONNECT OK send V 21 carrier send flags get CRF frame send FCS drop carrier detect carrier detect flags receive CFR final frame AT FTM 96 CONNECT page image data DLE ETX NO CA...

Страница 119: ...SCII characters 032 126 Space characters ASCII 032 and control characters other than CR ASCII 013 and BS ASCII 010 in the command string are ignored The default terminator is the ASCII CR character Characters that precede the AT prefix are ignored The command line interpretation begins upon receipt of the carriage return character 5 1 2 2 Facsimile Command Syntax After the AT or at prefix facsimil...

Страница 120: ...on Termination Class 2 DCE Responses FCON Facsimile Connection Response FDCS Report Current Session FDIS Report Remote Identification FCFR Indicate Confirmation to Receive FTSI Report the Transmit Station ID FCSI Report the Called Station ID FPTS Page Transfer Status FET Post Page Message Response FHNG Call Termination with Status Class 2 Session Parameters FMFR Identify Manufacturer FMDL Identify...

Страница 121: ...ta transfer commands These data streams use the termination described in Section 3 2 ISO 2111 The ASCII DLE character 016 is used as a special character to shield special characters The DLE ETX character pair 106 003 is used to mark the end of a stream The following patterns are used any data DLE ETX end of stream any data DLE DLE single DLE in data any data DLE any byte delete DLE any byte 5 1 3 ...

Страница 122: ...identification and selection information Each of these three commands cause the DCE to send a message to the DTE The messages are programmable using ConfigurACE 5 2 1 FMFR Request Manufacturer Identification The FMFR command causes the DCE to send a message identifying the DCE product manufacturer The default message is ROCKWELL OK 5 2 2 FMDL Identify Product Model The FMDL command causes the DCE ...

Страница 123: ...may issue an Answer command in response to an incoming ring If the Answer command is unsuccessful the DCE will report an appropriate failure or error type result code such as NO CARRIER see Section 3 3 5 3 2 1 Manual Call Answer If this call is successful the typical DCE response answer and receive is FCON FTSI remote ID string FDCS T 30 subparameter string OK DTE should issue FDR command here Upo...

Страница 124: ...acters The DCE will filter the stream as described in Section 6 1 2 The DCE will acknowledge the end of the data by returning the OK result code to the DTE If there is data underrun before the next FDT or FET command the DCE will zero fill the pad as per T 4 until the Phase C timeout FPHCTO is reached or until more data is received The DCE appends an RTC pattern to the transmit data after an FET c...

Страница 125: ...1216 pixels in 151 mm 4 864 pixels in 107 mm LN Page Length 0 A4 297 mm 1 B4 364 mm 2 unlimited length DF Data Compression Format 0 1 D modified Huffman 1 2 D modified Read 2 2 D uncompressed mode 3 2 D modified modified Read EC Error Correction 0 Disable ECM Annex A T 30 1 Enable ECM 64 bytes frame 2 Enable ECM 256 bytes frame BF Binary File Transfer 0 Disable BFT 1 Enable BFT ST Scan Time Line V...

Страница 126: ...e and terminates the session The remote facsimile station should respond to the post page message with a post page response The DCE will report this using the FPTS ppr response Table 5 4 5 3 4 1 End a Page The FET command causes the DCE to append an RTC 6 EOL pattern as needed and enter Phase D by sending the selected T 30 Post Page message The FET 1 EOM command signals the remote station that the...

Страница 127: ... of a page the DCE reports the Page Transfer Status via the FPTS ppr response Table 5 4 After a Page Transfer Status Report the DCE reports the post page message from the remote facsimile station via the FET ppm response Table 5 3 which signals the intentions of the remote station The DCE holds the post page response message to the remote facsimile station MCF etc represented in the FPTS parameter...

Страница 128: ...ng RTC 6 EOLs patterns 5 3 5 5 CAN Escape from Reception From the FDR command until the end of Phase D Date the DCE is in a data transfer state and will not respond to DTE command characters The DCE will respond to three ASCII control characters DC1 017 and DC3 019 flow control characters and cancel CAN 024 Upon receipt of the CAN character the DCE will terminate the reporting of received data by ...

Страница 129: ...lue Empty 5 3 8 FLPL Indicate a Document for Polling This command allows setting up an answering modem to know that it has a document available for polling This allows a calling modem to receive this fax from the answerer The syntax is AT FLPL 0 1 OK AT FLPL 1 OK AT FLPL 1 5 3 9 FSPL Enable Polling This command allows setting up an originating modem to be able to request to receive a document from...

Страница 130: ... C error 43 DTE to DCE data underflow 50 69 Transmit Phase D Hangup Codes 50 Unspecified Transmit Phase D error 51 RSPREC error 52 No response to MPS repeated 3 times 53 Invalid response to MPS 54 No response to EOP repeated 3 times 55 Invalid response to EOP 56 No response to EOM repeated 3 times 57 Invalid response to EOM 58 Unable to continue after PIN or PIP 70 89 Receive Phase B Hangup Codes ...

Страница 131: ...ters This message may be generated in execution of FDT or FDR commands before the CONNECT result code if new DCS frames are generated or received See Table 5 2 5 4 3 FDIS Report Remote Station Capabilities Syntax FDIS VR BR WD LN DF EC BF ST FDIS string reports remote facsimile station capabilities and intentions The parameters are provided in ASCII notation See Table 5 2 This message is generated...

Страница 132: ...d from the remote DCE The valid ppr values are defined in Table 5 4 The FPTS ppr response is generated in execution of a FET ppm command 5 4 10 FHNG Call Termination with Status Syntax FHNG hangup status code FHNG indicates that the call has been terminated The hangup cause is reported and stored in the FAXERR parameter for later inspection The hangup status code values are described in Table 5 5 ...

Страница 133: ...communicated to the originator in bit 9 of the DIS frame The originating station may elect to transmit a fax and later send SIG and DTC frames to pick up the polled document The answering station would report the incoming DTC frame via the FDTC response message after command mode is canceled with the AT FDR command 5 4 13 FPOLL Indicate Polling Request Syntax FPOLL This message is sent to the DTE ...

Страница 134: ... FDCC VR BR WD LN DF ED BF ST Valid values See Table 5 2 Default values 0 3 0 2 0 0 0 0 9600 bps fax models or 0 5 0 2 0 0 0 0 14400 bps fax models FDCC allows the DTE to sense and constrain the capabilities of the facsimile DCE from the choices defined in CCITT T 30 Table 2 When FDCC is modified by the DTE the DCE copies FDCC into FDIS 5 5 2 FDIS Current Sessions Capabilities Parameters Write syn...

Страница 135: ...response using the same compound parameter format Several commands and responses reference T 30 session negotiated parameters These are described by a set of common subparameters These subparameters are described in Table 5 2 with notes Optional parameter values are marked with an Unspecified parameter values are reserved for future use The FDCC FDIS and FDCS compound parameters use these session ...

Страница 136: ...n CCITT T 30 Phase A and Phase D 5 5 6 FPTS Page Transfer Status Write Syntax FPTS ppr Valid values 1 2 3 4 5 Default value 0 The FPTS parameter contains a value representing the post page response including copy quality and related end of page status These values correspond to post page response messages defined in T 30 The receiving DCE sets this parameter after it receives a page of Phase C dat...

Страница 137: ...command controls Phase C data T 4 encoded data transferred during execution of FDT or FDR commands The following two codes are supported FBOR 0 or 2 Selects direct bit order for Phase C data FBOR 1 or 3 Selects reversed bit order for Phase C data This parameter does not affect the bit order of control characters generated by the DCE 5 5 11 FAA Answer Parameter Write syntax FAA value Valid values 0...

Страница 138: ... buffer byte count Example FBUF 512 506 500 0 The FBUF parameter allows the DTE to determine the characteristics of the DCE s data buffer Data buffers are used for flow control Use of the reported values allow the DTE to transfer data without provoking XOFF 5 6 EXAMPLE SESSIONS Table 5 6 and Table 5 7 show the typical command and responses for sending and receiving two pages respectively ...

Страница 139: ...er Send CED V 21 flags CSI DIS AT FDT 1st page data DLE ETX FDCS DCS codes CONNECT XON OK Send TSI Send DCS Send TCF Get CFR Send carrier Send page data Get TSI Get DCS Get TCF Send CFR Receive carrier Receive page data AT FET 0 FPTS 1 OK Send RTC Get MPS Get MCF Get RTC Get MPS Send MCF AT FDT 2nd page data DLE ETX CONNECT XON OK Send carrier Send page data Receive carrier Receive page data AT FE...

Страница 140: ...ceive Get CED Get CSI Get DIS Send V 21 flags Send TSI Send DCS Start TCF AT FDR DC2 FCFR FDCS dcs codes CONNECT page data stream DLE ETX FPTS 1 lc FET 0 OK Accept TCF Send CFR Get page carrier Get page data Detect RTC Get MPS Finish TCF Get CFR Send pager carrier Send page data Send RTC Drop carrier Send MPS AT FDR DC2 CONNECT page data stream DLE ETX FPTS 1 lc FET 2 OK Send MCF Get page carrier ...

Страница 141: ...cord VTS Voice Tone Send Send single frequency or DTMF VTX Start modem Transmit Playback VGR Voice Gain Receive Record Gain VGT Voice Gain Transmit Playback Volume VIT Voice Inactivity Timer DTE Modem VLS Analog Source Destination Selection VRA Ringback Goes Away Timer VRN Ringback Never Appeared Timer VSD Silence Detection QUIET SILENCE VSM Compression Method Selection VTD Beep Tone Duration Time...

Страница 142: ...7 15 DTMF transitions to off R 5 2 Ring 1 3 1 DTMF 1 2 3 2 DTMF 2 3 3 3 DTMF 3 4 3 4 DTMF 4 5 3 5 DTMF 5 6 3 6 DTMF 6 7 3 7 DTMF 7 8 3 8 DTMF 8 9 3 9 DTMF 9 0 3 0 DTMF 0 A 4 1 Extended Keypad DTMF A B 4 2 Extended Keypad DTMF B C 4 3 Extended Keypad DTMF C D 4 4 Extended Keypad DTMF D 2 10 Extended Keypad DTMF E 2 3 Extended Keypad DTMF F o 6 15 Receive Buffer Overrun c 6 3 Facsimile Calling e 6 5...

Страница 143: ...escription DLE 1 0 Two contiguous DLE DLE codes indicate a single DLE in the data stream Immediate Command or Stream Command u 7 5 Action Numbers 0 and 3 Increase the volume or gain by one unit Immediate Command d 6 4 Action Numbers 1 and 4 Decrease the volume or gain by one unit Immediate Command p 7 0 Action Number 9 Pause r 7 2 Action Number 10 Resume ETX 0 3 Action Number 11 End Voice Transmit...

Страница 144: ...g to the selected option see Table 6 4 0 The modem enables automatic hangups as is normal in other modes 1 The modem disables automatic hangups usually found in the other non Voice Modes 2 The modem disables automatic hangups in the other non Voice Modes The modem performs only a logical hangup returns to OK result code Table 6 4 VNH Command Behavior Command Response Command No Carrier Present ATH...

Страница 145: ...This command causes the modem to initialize all voice parameters to their default values Syntax VIP Result Code OK ERROR If not in Voice Mode 6 2 2 2 VRX Start Modem Receive Record This command causes the modem to start the voice reception process Syntax VRX Result Codes OK ERROR If not in Voice Mode ...

Страница 146: ...ed to send single or dual tones The first element is the first frequency freq1 with range 0 or 200 3000 Hz The second element is the second frequency freq2 with range 0 or 200 3000 Hz The third element is the duration dur in 0 01 second intervals with range 0 255 ASCII units of 10 ms A list may contain null elements For example 3000 means that the DCE generates a single tone at 3000 Hz for the def...

Страница 147: ...strates tone generation using null elements The command example is followed by a description of command execution AT VTS 1 2 1000 1300 50 800 9 1 Play DTMF 1 with a duration given by the VTD command 2 Play DTMF 2 with a duration given by the VTD command 3 Play tone pair at 1000 Hz and 1300 Hz with a duration of 500 ms 4 Play tone pair at 800 Hz with a duration given by the VTD command 5 Play DTMF ...

Страница 148: ... Current or Selected Values Command VGR Response gain Example 0 For the default setting Reporting Supported Range of Parameter Values Command VGR Response gain range Example 0 Result Codes OK gain 0 ERROR Otherwise or if not in Voice Mode 6 2 2 6 VGT Voice Gain Transmit Playback Volume This command causes the modem to set the volume level Syntax VGT level Defined Values level Decimal number 120 13...

Страница 149: ...ned Values timer Decimal number 0 and 255 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 timer Example 0 For the default setting Reporting Supported Range of Parameter Values Command VIT Response timer range Example 0 255 Result Codes OK timer 0 255 ERROR Otherwise or if not in Voice Mode ...

Страница 150: ...e Voice Command State respectively Each of the event reporting subparameters is a hex number that represents an event bit field The hex number format is defined in Table 6 6 a one in the bit field indicates that the DCE can report the associated event Each of the possible hardware configurations has its own label idle event description line the above form description shows just one A CR LF termina...

Страница 151: ... 11 M1 External Microphone connected to the DCE DCE on hook Local phone connected to the line X 12 M1ST External Microphone and Internal Speaker connected to the line DCE off hook DCE connected to the line Local phone provided with power to detect hook condition X 13 M1S1T External Microphone and External Speaker connected to the line DCE off hook DCE connected to the line Local phone provided wit...

Страница 152: ...oice Detect Simple 28 Call Waiting plus Caller Id CIDCW Message 29 Stuttered Dialtone Simple note 1 30 Invalid Voice Data Format Simple 31 Lost Data Detected Event Simple 32 Facsimile Answer Simple Legend This table lists events without any regard as to whether the DCE reporting of the event is optional or mandatory and without assigning a DCE reporting mechanism The first column lists the event n...

Страница 153: ...eter Values Command VRA Response interval range Example 0 255 255 2 55 sec Result Codes OK interval 0 255 ERROR Otherwise or if not in Voice Mode 6 2 2 10 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 interval Defined Values interva...

Страница 154: ...ection independent of presence or use of silence compression 128 Sets nominal long term silence detection independent of presence or use of silence compression 129 Sets more aggressive long term silence detection independent of presence or use of silence compression sdi Decimal number specifying the required period of silence in units of 0 1 second before the modem can report silence detected at t...

Страница 155: ...meric string describing the compression method UNSIGNED PCM IMA ADPCM UNSIGNED PCM 2 Bit ADPCM or 4 Bit ADPCM bps Decimal number defining the average number of bits in the compressed sample not including silence compression 2 4 or 8 tm Decimal number 0 reporting the time interval in units of 0 1 second between timing marks A value of 0 reports that timing marks are not supported vsr range of value...

Страница 156: ...MF tone generation duration in units of 0 01 second A value of 0 specifies the value entered by the S11 parameter 50 255 ms The range is 0 01 to 2 55 seconds for dur 1 to 255 Reporting Current or Selected Values Command VTD Response dur Example 0 For the default setting Reporting Supported Range of Parameter Values Command VTD Response dur range Example 0 255 Result Codes OK dur 0 255 ERROR Otherw...

Страница 157: ...ing ring cadence information report when enabled by the enable subparameter 0 The modem will produce only DROF and DRON messages The modem will not produce any RING event codes The modem will report other call progress event codes as normal Other The modem will produce only DROF and DRON messages The modem will produce a RING event code after report 10 seconds after the falling edge of the ring pu...

Страница 158: ...ll not produce any control tone cadence report 1 The modem will produce control tone cadence report as specified for the report subparameter report Decimal number specifying the produced any control tone cadence report when enabled by the enable subparameter 0 The modem will produce only CPOF and CPON messages Other Reserved Reporting Current or Selected Values Command VDT Response enable report E...

Страница 159: ... 1 2 3 4 8 16 24 48 96 correspond to multipliers of 2400 bps to determine the actual rate 0 Autobaud 1 2400 bps 2 4800 bps 3 7200 bps 4 9600 bps 8 19200 bps 16 38400 bps 24 57600 bps 48 115200 bps 96 230400 bps Reporting Current or Selected Values Command VPR Response rate Example 0 For the default setting Autobaud Reporting Supported Range of Parameter Values Command VPR Response rate range Examp...

Страница 160: ...g Supported Range of Parameter Values Command VSP Response mode range Example 0 1 Result Codes OK mode 0 or 1 ERROR Otherwise or if not in Voice Mode 6 2 3 2 VDX Speakerphone Duplex Mode This command selects speakerphone full duplex mode Syntax VDX mode Defined Values mode Decimal number corresponding to the selected option 1 The speakerphone mode is full duplex Reporting Current or Selected Value...

Страница 161: ...in range Example 0 255 Result Codes OK gain 0 255 ERROR Otherwise or if not in Voice Mode with speakerphone enabled VSP 1 6 2 3 4 VGS Speaker Gain This command causes the modem to set the speaker gain of the speakerphone function Syntax VGS gain Defined Values gain Decimal number between 0 and 255 corresponding to the gain Reporting Current or Selected Values Command VGS Response gain Example 128 ...

Страница 162: ...Command Reference Manual 6 22 1199 This page is intentionally blank ...

Страница 163: ... DS Data Compression 3 43 EB Break Handling in Error Control Operation 3 38 EFCS 32 bit Frame Check Sequence 3 39 ER Error Control Reporting 3 39 ES Error Control and Sync Mode Selection 3 37 ESA Configure Synchronous Access Submode 3 48 ESR Selective Repeat 3 39 ETBM Call Termination Buffer Management 3 40 FAA Answer Parameter 5 19 FAA Auto Answer Enable 4 4 FAE Auto Answer Enable 4 4 FAR Adaptiv...

Страница 164: ...n Selection 3 33 VCID Caller ID CID 3 2 VDR Distinctive Ring 6 17 VDT Control Tone Cadence Reporting 6 18 VDX Speakerphone Duplex Mode 6 20 VGM Microphone Gain 6 21 VGR Voice Gain Receive Record Gain 6 8 VGS Speaker Gain 6 21 VGT Voice Gain Transmit Playback Volume 6 8 VIP Voice Initialize All Parameters 6 5 VIT Voice Inactivity Timer DTE Modem 6 9 VLS Analog Source Destination Selection 6 10 VNH ...

Страница 165: ...Bit Mapped Options Status 3 69 S4 Line Feed Character 3 62 S40 General Bit Mapped Options Status 3 69 S41 General Bit Mapped Options Status 3 70 S46 Data Compression Control 3 70 S48 V 42 Negotiation Control 3 70 S5 Backspace Character 3 62 S6 Wait Time before Blind Dialing or for Dial Tone 3 63 S7 Wait Time for Carrier Silence or Dial Tone 3 63 S8 Pause Time For Dial Delay 3 63 S86 Call Failure R...

Страница 166: ...Command Reference Manual 1199 7 4 This page is intentionally blank ...

Страница 167: ...INSIDE BACK COVER NOTES ...

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