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Toshiba V.90 Network Card User Manual

1. 10 PAG SUIS cundo e tonc UR IE EN 11 Chapter 3 AT 5 13 AT command 13 Escape 5 14 N Repeat last command ss 14 Answer POINT etica neci 14 Bn Communication standard setting 14 Dii Dial T 15 En Echo command 16 Hn Hook certior occi 16 In Request ID 17 Ln Monitor speaker 20 Mn Monitor speaker 20 Nn Modulation 21 On Return online to data mode 21 P Select pulse 22 Qn Result code 22 Select tone 22 Vn DCE response 23 Wn Result Code 23 Xn Result code selection call progress monitoring 23 Extended result
2. 52 MNP BITOECOITRCTDIDL cocci feret tiic 52 42 rmn teen iens 53 Operation 53 Normal 53 Reliable 53 Commands Nn 54 FOW COM ON cise eee a aedi aE 54 Serial port flow 55 XON XOFF flow control software 56 CTS RTS two way flow control hardware 56 Commands GNI associer ires tier 56 Modem port flow 56 Data compression 57 Commands 57 Chapter 6 Test 59 59 Testing 60 Appendix A 63 Appendix B Communication Conditions 66 10854 69 Features Function charts Introduction Congratulations on becoming the owner of a V 90 56K compliant internal modem offering advanced functions for fax and data communication This user s guide provides detailed information on f
3. 24 Dial tone 24 Busy tone 24 Zn Recall stored 25 amp Cn Data Carrier Detect DCD control 25 amp Dn Data Terminal Ready control 26 amp F Load factory 26 amp Gn V22bis guard tone 26 amp Kn Local flow control selection 27 amp Pn Select Pulse Dial Make Break Ratio 27 amp Tn Self test 5 28 amp V View active configuration and stored profile 28 amp W Store Current configuration 30 amp Zn x Store telephone 31 Wn Error control mode selection 31 Local flow control selection 32 Protocol result 32 Data compression control 33 33 MS Command cta remate 34 MS carrier lt automode gt 0 max rate 0 DC ascen eit Ed 35 AM ocu 35 nc
4. 35 Chapter 4 S Registers sss 39 S Register 40 SO Auto answer ring 40 51 40 92 AT escape character user defined 41 53 Command line termination character user defined 41 54 Response formatting character user defined 41 55 Command line editing character user defined 41 56 Wait before 42 57 Connection completion time Out 42 S8 pause 43 510 Automatic disconnect delay 43 511 DTMF dialing 44 912 Escape guard 1 44 S37 Dial line 44 538 Kboflex Dial line 45 38 56K Downstream 45 AT command set result 46 Chapter 5 MNP and 42 52 Error correction
5. To place a call using tone dialing enter and press Enter The asterisks indicate the number you are calling To place a call using pulse dialing enter and press Enter The asterisks indicate the number you are calling Extension line If you are calling from an extension line such as in an office building and need to dial nine or another number to gain external access follow the steps below 4 To place a call using tone dialing enter ATDT 9 and press Enter The nine or other number is for line access the comma is for a pause about 2 seconds with the default setting to give time for a connection The asterisks indicate the number you are calling To place a call using pulse dialing enter 9 and press Enter The nine or other number is for line access the comma is for a pause about 2 seconds with the default setting to give time for a connection The asterisks indicate the number you are calling Using the Internal Modem 9 Basic operation You can enter as many commas as you need The following example will result in a six second pause ATDT 9 and press Enter NOTE If you are using a PBX connection that does not wait for a dial tone add the X1 or X3 to the AT command line For example ATX3DP 9 and press Enter Actual usage will vary according to the host system so please
6. 5 Ww The Introduction describes the functions and capabilities of the internal modem Chapter 1 Setup describes how to set up and configure the internal modem and provides information on checking modem functions Chapter 2 Using the Internal Modem describes basic operations including connecting the modem and country selection Chapter 3 AT Commands explains the meanings of the AT commands that control your internal modem Chapter 4 S Registers explains the meanings of the registers that contain the settings for many of the internal modem functions Chapter 5 MNP and V 42 explains error correction flow control and data compression Chapter 6 Test Function describes how to conduct the loopback test The Appendixes provide technical information The Glossary defines telecommunications terminology The Index quickly directs you to information contained in the user s guide Conventions This user s guide uses the following formats to describe identify and highlight terms and operating procedures Abbreviations On first appearance and whenever necessary for clarity abbreviations are enclosed in parentheses following their definition For example Read Only Memory ROM Acronyms are also defined in the Glossary Keys The keyboard keys are used in the text to describe many computer operations A distinctive typeface identifies the key top symbols as they appear on the keyb
7. 511 Escape GuardTime 1000 msec 12 Data Calling Tone Disabled 35 Line Rate 33600 537 Press any key to continue Esc to quit Stored phone numbers amp Z0 amp Zl amp Z2 amp Z3 OK amp W Store current configuration Saves the current active configuration profile including S Registers The current configuration comprises a list of storable parameters illustrated in the amp V command These settings are restored to the active configuration upon receiving a Zn command or at power up Refer to the amp V command amp W Stores the current configuration Result Codes OK n 0 ERROR Otherwise AT Commands 31 AT command formats amp Zn x Store telephone number This command is used to store up to four dialing strings in the modem s nonvolatile memory for later dialing The format for the command 18 amp Zn stored number where n is the location 0 3 to which the number should be written The dial string may contain up to 40 characters The ATDS n command dials using the string stored in location n Result codes OK 0 1 2 3 ERROR Otherwise Wn Error contro mode selection This command determines the type of error control used by the modem when sending or receiving data NO Buffer mode No error control Also known as Normal Mode WI Same as WO W2 MNP or disconnect mode The modem attempts to connect using MNP2 4 error control procedures If this fails the modem disc
8. Branch Exchange PBX An automatic digital telephone switching system that enables users within an organization to place calls to each other without going through the public telephone network Users can also place calls to outside numbers Do not connect the Toshiba internal modem to a digital PBX line or the modem will be damaged 19 Glossary protocol A set of rules and conventions that makes it possible to transfer information between computers If you re transmitting a file both modems must use the same protocol just as two people talking on the telephone must speak the same language to communicate effectively Examples of modem protocols are V 34 V 42 and V 90 Public line A line served by a telephone company to be connected to an opposite station via the exchange Pulse dialing A dialing method that uses pulses instead of tones to generate a telephone number Generally associated with rotary dial phones although some push button phones can be used on pulse lines Reliable mode Reliable mode is for error free communication by MNP or V 42 Result code This code returns to the computer the results of executing a command sent from it to the internal modem in characters or numeric values RJI1 A modular telephone connector used on most telephone networks and direct connect modems RTS signal A Request to Send signal is an RS 232C standard that indicates the modem is ready to receive data RS 232 C The stand
9. OK n 0 1 ERROR Otherwise amp Cn Data Carrier Detect DCD control Data Carrier Detect is a signal from the modem to the computer indicating that a carrier signal is being received from a remote modem DCD normally turns off when the modem no longer detects the carrier signal amp CO The state of the carrier from the remote modem is ignored DCD circuit is always on DCD turns on when the remote modem s carrier signal is detected and off when the carrier signal is not detected default Result Codes OK n 0 1 ERROR Otherwise 26 AT Commands AT command formats amp Dn Data Terminal Ready DTR control This command interprets how the modem responds to the state of the DTR signal and changes to the DTR signal amp DO Ignore The modem ignores the true status of DTR and treats it as always on This should only be used if your communication software does not provide DTR to the modem amp D1 Ifthe DTR signal is not detected while in online data mode the modem enters command mode issues an OK result code and remains connected amp D2 Ifthe DTR signal is not detected while in online data mode the modem disconnects default amp D3 Reset the modem on the on to off DTR transition Result Codes OK n 0 1 2 3 ERROR Otherwise amp F Load factory settings This command loads the configuration stored and programmed at the factory This operation replaces all of the command options and the S Regi
10. at 50000 bps 56K mode EC appears only when the Extended Result Codes configuration option is enabled EC is replaced by one of the following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression 42 V 42 error control only MNP 5 MNP class 4 error control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol S Registers 49 AT command set result codes Command Set Result Codes Table Continued Result Code Numeric Description CONNECT 52000 EC 80 Connection at 52000 bps 56K mode or V 90 CONNECT 54000 EC 81 Connection at 54000 bps 56K mode CONNECT 56000 82 Connection at 56000 bps 56Kflex mode CONNECT 28000 EC 100 Connection at 28000 bps V 90 mode CONNECT 29333 EC 101 Connection at 29333 bps V 90 mode CONNECT 30666 EC 102 Connection at 30666 bps V 90 mode CONNECT 33333 EC 103 Connection at 33333 bps V 90 mode CONNECT 34666 EC 104 Connection at 34666 bps V 90 mode CONNECT 37333 EC 105 Connection at 37333 bps V 90 mode CONNECT 38666 EC 106 Connection at 38666 bps V 90 mode CONNECT 41333 EC 107 Connection at 41333 bps V 90 mode CONNECT 42666 EC 108 Connection at 42666 bps V 90 mode EC appears only when the Extended Result Codes configuration option is enabled EC is replaced by one of the
11. check with the system manager Receiving a call To set the number of rings before the internal modem automatically answers the phone set the SO register as follows ATSO and press Enter The asterisk indicates the number of rings See S Register values on page 40 for more details Terminating a call The methods for terminating a call depend on the status of the connection 4 4 4 If the internal modem is dialing or has not yet gone online you can terminate a call by pressing any key If the terminal is online enter the escape code then type ATH and press Enter If the remote party disconnects the call will be automatically cut off If the power to the computer is cut off the call is terminated 1 Using the Internal Modem Basic operation Setting the data flow control Data flow control is used to start and stop data transmission according to the status of the data buffer full or empty The following describes how to set the data flow control method CTS RTS hardware control XON XOFF software Also see MNP and V 42 on page 52 CTS RTS control This control method is hardware dependent To control data flow the modem and computer transmit Clear To Send Request To Send signals to each other To set CTS RTS control enter the following AT command XON XOFF control This control method is managed by softw
12. following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression 42 V 42 error control only MNP 5 MNP class 4 error control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol 50 S Registers AT command set result codes Command Set Result Codes Table Continued Result Code Numeric Description CONNECT 45333 EC 109 Connection at 45333 bps V 90 mode CONNECT 46666 EC 110 Connection at 46666 bps V 90 mode CONNECT 49333 EC 111 Connection at 49333 bps V 90 mode CONNECT 50666 EC 112 Connection at 50666 bps V 90 mode CONNECT 53333 EC 113 Connection at 53333 bps V 90 mode CONNECT 54666 EC 114 Connection at 54666 bps V 90 mode EC appears only when the Extended Result Codes configuration option is enabled EC is replaced by one of the following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression V 42 V 42 error control only MNP 5 MNP class 4 error control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol Chapter 5 Error correction overview 52 Operation modes 53 Flow control 54 Data compression ssssssee
13. made to this equipment not expressly approved by Toshiba or parties authorized by Toshiba could void the user 5 authority to operate the equipment This device complies with Part 15 of FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation Contact Toshiba America Information Systems Inc 9740 Irvine Blvd Irvine CA 92618 1697 949 583 3000 Industry Canada Requirement This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conform la norme NMB 003 du Canada Pursuant to FCC CFR 47 Part 68 When you are ready to install or use the modem call your local telephone company and give them the following information telephone number of the line to which you will connect the modem lt registration number that is located on the device The FCC registration number of the modem will be found on either the device which is to be installed or if already installed on the bottom of the computer outside of the main system label 5 The Ringer Equivalence Number REN of the modem can vary For the REN of your modem refer to your computer s user s guide The modem connects to the telephone line by means of a standard jack called the USOC 1 Type of servi
14. modem DCD signal This signal tells the personal computer whether the modem is receiving the carrier from the opposite station DTE Data Terminating Equipment A communications device that is the source or destination of signals on a network It is typically a terminal or computer dial tone The tone that is heard from the handset when it is picked up dial mode Dial mode covers pulse dial and tone dial Pulse dial means turning the dial or pressing the buttons to send pulse signals to connect to the called party Tone dial means pressing the button to send tone signals to connect the modem to the called party download 1 To receive a file from another computer through a modem 2 To transmit font data from the computer to a printer See also upload DSP A digital signal processor is a chip designed for real time applications DSP techniques are used in PC processors as well as media engines For example some high end notebooks use a DSP chip to provide Sound Blaster emulation for the internal modem as well DSR signal This signal tells the personal computer whether the modem is ready for communication DTR signal This signal tells the modem whether the personal computer is ready for communication duplex The method used to transmit data in both directions between two devices Synonymous with full duplex See also half duplex full duplex echo Displays keyboard entry on the computer terminal EIA Electronic Ind
15. not identical to the baud rate See also baud 12 Glossary buffer An area of memory where information is held until it can be bus processed Buffers are frequently used to compensate for the fact that some parts of the system are faster than others For example the computer sends information to a printer much faster than even the fastest printer can handle it A print buffer stores printer information enabling the computer to continue with other tasks As the printer prints a page it looks in the buffer to see what to do next An electrical circuit that connects the microprocessor with other parts of the computer such as the video adapter disk drives and ports It is the highway along which data flows from one device to another See also local bus busy A code indicating the number called is busy byte A sequence of eight bits A byte is the smallest addressable unit of data Each byte represents an integer up to 255 in decimal 11111111 in binary or FF in hexadecimal or a character such as a letter numeral or other symbol See also binary bit gigabyte hexadecimal kilobyte megabyte carrier A modem converts the digital signals of the personal computer into analog signals to send them through the telephone line The analog signals are carrier because they transport the data The analog frequency is determined by the individual communication specifications capacity The amount of information that
16. specific type Applications include word processors spreadsheets and database management systems See also program asynchronous A type of data transmission in which information is sent at variable time intervals To indicate when a transmitted character begins and ends it is preceded by a start bit and followed by an optional parity bit and one or two stop bits See also synchronous baud baud rate The speed at which communications devices such as printers terminals and modems transmit information Information travels as a series of electronic signals The baud rate measures the rate of change in these signals This is not necessarily the same as bits per second although the two are related It is named for Emil Baudot a pioneer in printing telegraphy See also bits per second Bell Standard A series of communication procedures for telephone lines and other analog data transmission lines standardized by AT amp T American Telephone amp Telegraph bit The basic unit of information used by the computer a bit may be either 1 or 0 While an individual bit cannot contain a significant amount of information by combining bits into larger units such as bytes a group of eight connected bits your computer can deal with huge blocks of data See also byte bits per second BPS A way of measuring the speed at which information is passed between two devices This is the basic measure used in modem communications This is similar but
17. the telephone line Compression The translation of data video audio digital or a combination to a more compact form for storage or transmission In computer terms files are compressed by removing repetitive and blank characters Depending on the type of file this can result in a size reduction of over 90 Modems use compression to reduce the amount of time needed to send or receive a file Configuration 1 The set of components in a computer system such as memory printers and disk drives 2 How parts of the system are set up For example the configuration of the serial port includes the baud rate parity data bits and stop bits CTS signal A Clear to Send signal is an RS 232C standard that indicates the modem is ready for transmission DAA Data Access Arrangement is a circuit that isolates a device from phone lines data Information that a computer can process The word data is actually plural for datum meaning a single piece of information data bits A data communications parameter controlling the number of bits used to represent a character If data bits 7 the computer can generate 128 unique characters if data bits 8 the computer can generate 256 unique characters 7 4 Glossary DCE Data Communications Equipment or Data Circuit terminating Equipment A device that establishes maintains and terminates a session on a network It may also convert signals for transmission It is typically the
18. 0 V34 2400 33600 n steps of 2400 V32bis V32 V22bis V22 V23 V21 AT Commands AT command formats 3 4800 19200 in steps of 2400 4800 14400 2400 2200 1200 300 Chapter 4 S Register values AT command set result o Registers S Registers contain the settings that determine how several functions of the internal modem operate such as choosing how many times to let the telephone ring before the modem answers and how long to wait before it hangs up if a connection fails You can also customize certain AT commands such as the escape sequence and command line termination The contents of the registers are changed automatically when you modify corresponding settings in your communication software If you choose however you can display and edit the contents of the registers manually when the modem is in command mode If the value is outside the acceptable range an error is generated This chapter describes the settings for each S Register 39 40 S Registers S Register values S Register values 5 The format for displaying the value of an S Register is ATSn where n is the register number After you type in the register press Enter Ww The format for modifying the value of an S Register is ATSn r where n is the register number and is the new register value After you type in the register nu
19. 400 bps 16800 bps S Registers 45 S Register values 37 13 19200 bps 537 14 21600 bps 37 15 24000 bps 537 16 26400 bps 837 17 28800 bps 537 18 31200 bps 37 19 33600 bps 38 K56flex Dial line rate 38 enables and disables K56flex mode and sets the maximum K56flex downstream speed that the modem attempts to connect 538 0 56K disabled default 38 1 56K enabled automatic speed selection of maximum modem speed ym Not all modems support K56flex If this command returns an ERROR then is not supported 38 56K Downstream Rate To force a particular 56K downstream rate use S register S38 538 0 disables 56K and may allow a more reliable V 34 connection 538 1 default allows the modem to select the downstream rate automatically Other values of 538 force the downstream rate with fallback to V 34 if unsuccessful at the configured rate 38 0 Disable 56K 538 1 Automatic rate selection default 538 2 32 kbps 46 S Registers AT command set result codes 838 3 34 kbps 538 4 36 kbps 838 5 38 kbps 538 6 40 kbps 538 7 42 kbps 538 8 44 kbps 538 9 46 kbps 538 10 48 kbps 538 11 50 kbps 538 12 52 kbps 538 13 54 kbps 538 14 56 kbps AT command set result codes The following table shows the result codes Command Set Result Codes Table Result Code Numeric Description OK 0 Command executed CONNECT 1 Modem connected to line RING 2 A ring signal ha
20. NNECT 31200 EC 59 Connection at 31200 bps CONNECT 33600 EC 60 Connection at 33600 bps CONNECT 38400 28 Connection at 38400 bps DTE rate EC appears only when the Extended Result Codes configuration option is enabled EC is replaced by one of the following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression V2 V 42 error control only MNP 5 MNP class 4 error control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol A 8 S Registers AT command set result codes Command Set Result Codes Table Continued Result Code Numeric Description CONNECT 57600 18 Connection at 57600 bps DTE rate CONNECT 115200 EC 87 Connection at 115200 bps DTE rate CONNECT 32000 EC 70 Connection at 32000 bps 56K mode or V 90 CONNECT 34000 71 Connection at 34000 bps S6K mode CONNECT 36000 EC 72 Connection at 36000 bps 56K mode or V 90 CONNECT 38000 EC 73 Connection at 38000 bps 56K mode CONNECT 40000 74 Connection at 40000 bps 56K mode or V 90 CONNECT 42000 75 Connection at 42000 bps 56K mode CONNECT 44000 EC 76 Connection at 44000 bps 56K mode or V 90 CONNECT 46000 TI Connection at 46000 bps 56K mode CONNECT 48000 EC 78 Connection at 48000 bps 56K mode or V 90 CONNECT 50000 EC 79 Connection
21. ON The modem is designed for use with a standard analog telephone line Do not connect the modem to a digital telephone line A digital line will damage the modem Analog or digital Ifyou not sure which type of line a particular line jack offers assume that it is digital and do not connect the internal modem to it If the wall jack is known to be connected to a PBX Private Branch Exchange system then the line is digital Do not connect the modem to it 6 Using the Internal Modem Connection procedures 5 working telephone connected to the wall jack has an REN Ringer Equivalency Number printed on its label then itis an analog phone If the phone is working correctly then the wall jack itself is analog Ww Telephones in an office environment are commonly connected to digital phone lines 5 4 Unfortunately the wall jacks for both analog and digital phone lines use the familiar RJ11 connector as shown below If you are not sure that an RJ11 jack terminates an analog phone line do not connect the modem to it Connecting the internal modem CAUTION In the event of a lightning storm unplug the modem cable from the telephone jack A standard modular cable is supplied with the internal modem Follow the steps below to connect the internal modem to a telephone jack 1 Tum the connector so that the small connecting lever faces down 2 Squeeze
22. TU T Rec protocol V 21 22 V 22bis V 32 V 32bis V 34 56K V 90 Bell 103 212A Fax ITU T Rec V 17 V 29 V 27ter Former CCITT V 21 ch2 Communication Data 300 1200 2400 4800 7200 speed 9600 12000 14400 16800 19200 21600 24000 26400 28800 29333 30666 33333 34666 37333 38666 41333 42666 45333 46666 49333 50666 53333 54666 bps Fax 2400 4800 7200 9600 12000 14400 bps Transmitting 10 dBm level Appendix Communication Conditions Communication parameters Select communication parameters from the table below Start Data length Parity Stop bi bi bit 1 8 None 1 or more 1 7 0 1 or more 1 7 1 1 or more 1 7 Odd 1 or more 1 7 Even 1 or more 1 7 None 2 66 Communication Conditions 6 Telephone line types This internal modem can be connected to 2 wire analog subscriber telephone lines POTS lines only Connectable lines 2 wire Ordinary analog telephone lines with direct connection 4 Corporate analog lines connected to PBX Analog lines connected to a PBX which for example provide dial tone when the handset is picked up and permit outgoing calls by dialing 9 Unconnectable lines 4 wire Business or home telephones that are connected to a key service unit or a PBX modem WARNING These are digital lines that can damage the Lines that require pressing the Line button for e
23. V90 56K Internal User s Guide C500 0601M2 FCC Notice Declaration of Conformity Information This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help NOTE Only peripherals complying with the FCC Class B limits may be attached to this modem Operation with non compliant peripherals or peripherals not recommended by Toshiba is likely to result in interference to radio and TV reception Changes or modifications
24. and the user s guide Trademarks Microsoft MS DOS and Windows are registered trademarks of Microsoft Corporation Microcom Microcom Networking Protocol and MNP are registered trademarks of Microcom Inc Hayes is a registered trademark of Hayes Microcomputer Products Inc Contents V 90 56K Internal Modem User s Guide sssssscscsssesssessssessssessssessssessseesseesscesssneessseesseessses vil Introduction Xii Chapter 1 Setup sac ust copa E 1 1 GING OM 2 Chapter 2 Using the Internal Modem 5 Connection 5 Analog or 010 1 5 Connecting the internal 6 Disconnecting the internal modem 7 Basic operation Ace strat teni ca dd 7 Connecting to a telephone 8 Direct access 8 Extension 8 Receiving titt tte tette 9 Terminating 9 Setting the data flow
25. ard defining control data and status signals for cables allowing asynchronous communication with computers printers and other peripheral devices serial The handling of data bits one after the other serial communications communications technique that uses as few as two interconnecting wires to send bits one after another serial interface An interface between systems or system components in which information is transmitted sequentially one bit at a time The transmitted bits are reassembled at the receiving component A modem uses a serial interface serial port A communications COM1 or COM to which you can connect a serial device such as a modem a mouse or a serial printer stop bit In asynchronous serial communications one or more bits indicating the end of a block of characters Glossary 19 S Register The S Register stores the parameters for various commands and modem operations synchronous Having a constant time interval between successive bits characters or events Synchronous data transmission requires both the sending and receiving devices to use special synchronizing characters to correct variations in timing between the devices See also asynchronous Test function When normal communication is not possible this function checks the modem personal computer and telephone lines to determine if they are normal Tone dialing A dialing method that uses tones instead of pulses to generate a tel
26. are The start stop signals that is transfer on transfer off are included in the data stream To set XON XOFF control enter the following AT command 1 Please use any settings recommended in your communications software manual Using the Internal Modem 1 1 Basic operation Facsimiles Fax communication uses 5 78 Class 1 commands and requires fax software Communication is controlled by the fax software NOTE Use only software compatible with EIA 578 Class 1 Do not use EIA 592 Class 2 compatible software Chapter command formats eee eens AT Commands In most cases you will not need to type AT commands manually However there may be some occasions when you will need to do 50 This chapter describes AT commands for data mode Fax commands are taken care of by application software AT command formats The format for entering AT commands is ATXn where X is the AT command and n is the specific value for some of the commands After you type in the command press Enter Any command issued is acknowledged with a response in either text or numeric values known as result codes All commands and command values accepted by the modem are described in this section any entry other than those listed results in an error If no value is entered for n then the command defaults to a value of n 0 13 1 4 AT Commands AT command format
27. at the local DTE is modulated then demodulated and returned to the local DTE To work properly the modem must be offline Result Codes OK n 0 CONNECT 1 4 ERROR Otherwise amp V View active configuration and stored profile This command is used to display the active profiles on your computer s monitor amp V View active file For example Option Selection AT Command Comm Standard Bell B Command Char Echo Enable E AT Commands 29 AT command formats Option Selection AT Command Speaker Volume Medium L Speaker Control OnUntilCarr M Result Codes Enable Q Dialer Type Tone T P Result Code Form Text V Extend Result Code Enable X Dial Tone Detect Enable X Busy Tone Detect Enable X LSD Action Standard RS amp C 232C DTR Action Ignore amp D Press any key to continue Esc to quit Option Selection AT Command V 22b Guard Tone Disable amp G Flow Control Hardware amp K Error Control Mode V 42 MNP Buffer N Data Compression Enable Auto AnswerRing 0 SO AT Escape Char 43 2 CarriageRtn Char 13 53 Linefeed Char 10 S4 Backspace Char 8 55 Blind Dial Pause 2 sec S6 NoAnswer Timeout 50 sec S7 7 Pause Time 2 sec 58 Press any key to continue Esc to quit 30 AT Commands AT command formats Option Selection AT Command No Carrier Disc 2000 msec S10 DTMF Dial Speed 95 msec
28. ays of flow control XON and OFF control codes and CTS and RTS signals frequency The number of times a signal repeats an identical cycle within a certain time period full duplex A type of data transmission in which data flows between two devices in both directions simultaneously See also half duplex gigabyte GB A unit of data storage equal to 1 073 741 824 bytes 1024 x 1024 x 1024 bytes See also byte Guard time An interval before and after an escape sequence that prevents the modem from interpreting the escape sequence as data half duplex A type of data transmission in which data flows between two devices in one direction at a time See also full duplex 16 Glossary handshake After a telephone line is connected from one station to another some signals are exchanged according to the ITU T or Bell standard to confirm that the standard is the same between the calling and called stations prior to starting data communication between them This exchange of signals is called handshake hangup Hangup means disconnecting a telephone line to terminate communication input Information received by a computer from a storage device such as a disk or an input device such as the keyboard input output I O Input and output are two of the three functions that computers perform the other is processing Input Output describes the interrelated tasks of providing information to the computer and providing the results of pro
29. can be stored in a computer s memory or on a storage device such as a hard disk diskette or CD ROM Capacity is usually measured in terms of kilobytes KB megabytes MB or gigabytes GB See also gigabyte kilobyte megabyte checksum A method of checking data errors Data is divided into blocks and the total of the data in those blocks is checked to determine whether the data has been correctly transmitted The total value is called checksum character Any letter number or symbol you can use on the computer Some characters are non printing characters such as a paragraph break in a word processing program A character occupies one byte of computer storage Glossary 13 Class 1 A standard for fax transmission The Toshiba internal modem supports class 1 choose To use the mouse or keyboard to select a menu item a button or an icon click To press and release a mouse button In Windows refers to the left mouse button unless otherwise stated COMI and COM2 Names that the operating system gives the computer s serial ports to distinguish between them commands Instructions that tell the computer and its devices what to do You can enter commands individually using the keyboard or pointing device or combine them into macros or programs Command state A state in which data from the personal computer is received as commands to control the internal modem Data from the personal computer will not be output to
30. ce Your modem is designed to be used on standard device telephone lines Connection to telephone company provided coin service central office implemented systems is prohibited Connection to party lines service is subject to state tariffs If you have any questions about your telephone line such as how many pieces of equipment you can connect to it the telephone company will provide this information upon request Telephone company procedures The goal of the telephone company is to provide you with the best service it can In order to do this it may occasionally be necessary for them to make changes in their equipment operations or procedures If these changes might affect your service or the operation of your equipment the telephone company will give you notice in writing to allow you to make any changes necessary to maintain uninterrupted service If problems arise If any of your telephone equipment is not operating properly you should immediately remove it from your telephone line as it may cause harm to the telephone network If the telephone company notes a problem they may temporarily discontinue service When practical they will notify you in advance of this disconnection If advance notice is not feasible you will be notified as soon as possible When you are notified you will be given the opportunity to correct the problem and informed of your right to file a complaint with the FCC In the event repairs are ever needed
31. cessing to users I O devices include keyboards input and printers output A disk drive is both an input and an output device since it can both provide information to the computer and receive information from the computer ITU T Standard A series of communication procedures for telephone lines and analog data transmission standardized by ITU International Telecommunications Union formerly CCITT keyboard The device you use to type information into the computer Each key on the keyboard is a switch that is activated when you press it The switch sends a specific code representing the character printed on the key to the processor kilobyte KB A unit of data storage equal to 1024 bytes Its abbreviations K and KB are taken from the Greek word kilo meaning 1000 although the abbreviation refers to 1024 or 2 raised to the 10th power See also byte megabyte MB A unit of data storage equal to 1024 KB From the Greek work mega for million one megabyte is actually 1 048 576 bytes 1024 x 1024 bytes See also byte MIPS Millions of Instructions Per Second A computer processor s performance Glossary if modem A device for transmitting computer information over telephone lines A modem converts modulates digital information for transmission and also converts demodulates information it receives back to digital format Many modems also interpret and execute commands received from the computer modem port The p
32. connection In this case the maximum connect rate will be 33 600 bits second This section of the user s guide describes features of the internal modem Features 56K data The internal modem uses the V 90 protocol to connect communication at data rates of up to 53 000 bits per second bps to other modems employing the V 90 protocol For connection to non V 90 modems the internal modem uses the ITU standard V 34 protocol to connect at rates of up to 33 600 bits per second The internal modem also supports all of the earlier lower speed ITU CCITT modem protocols Fax capability You can use the internal modem to transmit and receive facsimiles at rates of up to 14 400 bps The internal modem supports Class 1 fax transmission Refer to the function charts in this chapter Standard commands Error control Data compression Serial port access Ring indicator Standby Hibernate XIV The internal modem is compatible with the industry standard Hayes AT commands and S Register settings This feature assures accurate data transmission even over telephone lines subject to noise interference The internal modem uses Microcom Networking Protocol 4 MNP 4 and V 42 error correction Compression can greatly increase data throughput The internal modem has 5 and V 42bis data compression protocols The internal modem frees your computer s serial port for connection of a serial mouse serial printer or other seria
33. e dial is the default setting Qn Result code control Result codes are informational messages sent from the modem and displayed on your monitor Basic result codes are OK CONNECT RING NO CARRIER and ERROR The ATQ command allows the user to turn result codes on or off Enables modem to send result codes to the computer default Q1 Disables modem from sending result codes to the computer Result Codes OK n 0 1 ERROR Otherwise T Select tone dialing This command instructs the modem to send DTMF tones while dialing Dialed digits are tone dialed until a P command or dial modifier is received This is the default setting AT Commands 23 AT command formats Vn DCE response format This command controls whether result codes including call progress and negotiation progress messages are displayed as words or their numeric equivalents VO Displays result codes as digits V1 Displays result codes as text default Result Codes OK n 0 1 ERROR Otherwise Wn Result Code Option WO CONNECT result code reports DTE speed Disable protocol result codes W1 CONNECT result code reports DTE speed Enable protocol result codes W2 CONNECT result code reports DTE speed Enable protocol result codes default Result Codes OK n 0 1 2 ERROR Otherwise Xn Result code selection call progress monitoring This command sets detection options for dial tones and busy signals which is its primary function Howe
34. e ne 57 and V 42 The internal modem has built in protocols MNP Microcom Networking Protocol Class 4 and V 42 for error correction and MNP class 5 and V 42bis for data compression Error correction overview Telephone line noise or electrical interference can cause errors in data communication Noise is especially a problem at high speeds of 14 400 bps or greater The MNP and V 42 protocols were developed to ensure reliable data communications despite the high probability of error generation from line noise MNP error correction MNP was developed by Microcom MNP class 4 enables data correction of full duplex communications and also provides asynchronous synchronous conversion and data packet size negotiation to increase throughput 02 MNP and V 42 53 Operation modes The protocol of both modems must be the same Therefore if the remote modem supports only class 3 or below the protocol for the remote modem will be used If the remote modem does not use MNP the communication will be made at the speed of the remote modem V 42 error correction The V 42 ITU T Rec V 42 protocol is recommended by the ITU International Telecommunications Union V 42 specifies two kinds of protocols LAP M Link Access Procedure for Modem and MNP classes 2 3 and 4 This protocol first tries to establish a link to the remote modem with LAP M If it is unsuccessful it tries to connect with MNP Although this modem uses c
35. eatures operation and technical specifications of your internal modem The V 90 56K internal modem provides capability for facsimile transmissions and standard computer to computer data communications The internal modem has a modem port RJ11 for connecting to an analog telephone line CAUTION Connect the internal modem ONLY to an analog line not to a digital line For more information see Connection procedures on page 5 Due to FCC limitations speeds of 53 kbps are the maximum permissible transmission rates during downloads Actual data transmission speeds will vary depending on line conditions Many users will experience throughput in the range of 32 to 44 kbps under normal conditions depending on telephone line quality XIII Some phone lines will not support V 90 56K connections at all either because of quality impairments or additional digital to analog conversions i e PBX systems The modem uses the V 34 protocol for upstream data transmission which supports connection rates of up to 33 600 bits second NOTE 56K rates can be achieved only when one V 90 56K modem communicates with V 90 56K host modem 1 a V90 56K end user client modem connects to V 90 56K ISP site modem The Toshiba internal modem automatically selects the V 34 protocol if the remote modem lacks V 90 capabilities or if a combination of network and or phone line conditions prevent the V 90
36. edures 5 disconnecting 7 features xiii E load factory settings 26 local flow control selection 27 32 loopback test 60 82 Index MNP protocol 52 modem connecting internal 5 flow control function 54 modem port 55 serial port 55 maximum connection speed 34 protocol settings 34 protocols xiii MS command 34 N modulation handshake 21 0 operation modes 53 normal 53 reliable 53 P protocol result code 32 protocols MNP 52 V 42 53 R recall stored configuration profile 25 receiving a call 9 register S38 45 repeat last command string 14 request ID information 17 Request To Send 10 result code control 22 result code option 23 result code selection 23 return to online data mode 21 S select pulse dial make break ratio 27 select pulse dialing 22 select tone dialing 22 self test commands 28 serial port flow control 55 set protocol and connection speed parameters 34 speaker on off 20 speaker volume 20 specifications Toshiba s internal modem 63 S register values AT escape character 41 Automatic disconnect delay 43 Comma pause time 43 Command line editing character 41 Command line termination character 41 Connection completion time out 42 Dial line rate 44 DTMF dialing speed 44 Escape guard time 44 Response formatting character 41 Wait before dialing 42 store current configuration 30 store telephone number 31 T telephone line connecting to 8 direct access line 8 extension line 8
37. ephone number Generally associated with push button phones although some push button phones can be connected to pulse lines upload To send a file to another computer through a modem See also download UART Universal Asychronous Receiver Transmitter is the circuit interface between the modem and computer It receives serial bit data from the modem and converts it into bytes for the computer and it converts byte data from the computer into bit data for serial communication XON XOFF flow control A protocol used by devices receiving data It uses two signals transfer ON and transfer OFF The signals are controlled by software Index Numerics 56K technology xiii A analog loopback test 59 answer command 14 AT command set result codes 46 AT commands answer command 14 communication standard setting 14 data carrier detect 25 data compression control 33 data terminal ready DTR 26 dial a telephone number 15 dial tone detect 24 display result codes 23 echo command 16 error control mode selection 31 escape sequence 14 extended result codes 24 format 13 guard tone control 27 hook control 16 load factory settings 26 local flow control selection 27 32 monitor speaker mode 20 monitor speaker volume 20 MS command 34 N modulation handshake 21 protocol result code 32 recall stored profile 25 repeat last command string 14 request ID information 17 result code control 22 result code option 23 resu
38. erface The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed 5 The standard connecting arrangement telephone jack type for this equipment is jack type s USOC RJLIC Copyright This user s guide is copyrighted by Toshiba Corporation with all rights reserved Under the copyright laws this user s guide cannot be reproduced in any form without the prior written permission of Toshiba No patent liability is assumed however with respect to the use of the information contained herein 2000 by Toshiba Corporation All rights reserved Export Administration Regulation This document contains technical data that may be controlled under the U S Export Administration Regulations and may be subject to the approval of the U S Department of Commerce prior to export Any export directly or indirectly in contravention of the U S Export Administration Regulations is prohibited Disclaimer This user s guide has been validated and reviewed for accuracy The instructions and descriptions it contains are accurate for the Toshiba internal modem at the time of this user s guide s production However succeeding products and user s guides are subject to change without notice Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between the modem
39. erwise Dn Dial This command instructs the modem to dial a telephone number Enter n the telephone number and any modifiers after the ATD command Any digit or symbol 0 9 A B C D may be dialed as touch tone digits Characters such as spaces hyphens and parentheses do not count They are ignored by the modem but you may want to include them to make the number and modifiers easier to read The following may be used as phone number modifiers Pulse dialing S n Dial using the string saved by amp Zn command T Touch tone dialing default Pause during dialing Pause for time specified in Register S8 before processing the next character in the dial string W Wait for dial tone Modem waits for a second dial tone before processing the dial string 1 AT Commands AT command formats Wait for quiet answer Wait for five seconds of silence after dialing the number If silence is not detected the modem sends a NO ANSWER result code back to the caller Hook flash Causes the modem to go on hook for 0 5 seconds and then return to off hook Return to command mode Causes modem to return to command mode after dialing a number without disconnecting the call L Redials last number Should be the first character following ATD ignored otherwise Bong tone detection En Echo command This command controls whether or not the characters entered from your computer keyboard are displayed on yo
40. esumed when the receiving buffers have room This is the flow control function MNP and V 42 55 Flow control The modem card has two kinds of flow control Serial port flow control Modem port flow control only in reliable mode Computer Modem DTE DCE Transmit Buffer Phone line Phone Circuit Receive Buffer Le Serial port Modem port flow control flow control Flow control Serial port flow control Serial port data flow is controlled by the modem in its communication with a personal computer If the serial port speed is higher than the modem port speed this control function sends a transmission halt request to the personal computer before the buffers in the modem are about to become full When the buffers have room to receive data again the transmission halt request is canceled and data transmission from the personal computer is resumed The internal modem provides three kinds of serial port flow control one determined by software and two determined by hardware 56 MNP and V 42 Flow control XON XOFF flow control software Flow control is performed by sending XON and XOFF control codes in the data stream The XOFF code makes a transmission halt request The XON code makes a transmission restart request Since these two codes XON and XOFF are used as flow control characters binary data that includes the
41. he downstream rate V90 0 Disables V 90 V90 1 Enables V 90 Auto rate default value V90 X Controls the downstream rate V90 Shows the current value V90 Shows the range 0 21 Possible values of n AT V90 X Downstream Rate 0 V 90 disabled 1 Auto rate Default 2 28000 bps 3 29333 bps 4 30666 bps 3 A AT Commands AT command formats 5 32000 bps 6 33333 bps 7 34666 bps 8 36000 bps 9 37333 bps 10 38666 bps 11 40000 bps 12 41333 bps 13 42666 bps 14 44000 bps 15 45333 bps 16 46666 bps 17 48000 bps 18 49333 bps 19 50666 bps 20 52000 bps 21 53333 bps Command This command can be used to set protocol and connection speed parameters for the modem Instead of having to change multiple S registers this single command produces the same effect The command can also be used to provide information concerning the current modem protocol settings and maximum connection speed settings In addition it can be used to indicate all the possible settings available for the modem AT Commands 35 AT command formats MS carrier lt automode gt lt 0 gt max rate lt 0 gt max Ix rate This command is used to set the various parameters described below carrier A modem connect protocol string such as V 90 or 56K lt automode gt 0 Disables automatic modulation negotiation 1 Enables automatic modulation negotiation lt max_rate gt The maximum transmit rate If set to 0 then t
42. he max rate will be determined by the modulation means selected in the lt carrier gt and lt automode gt settings lt max_rx_rate gt Sets the fastest receive carrier speed If set to 0 then max rate will be determined by the modulation means selected in the lt carrier gt and lt automode gt settings Example MS V90C 1 0 0 0 0 This sets the modulation to be V 90 and the speed negotiations to use automode This is the modem default Example MS V90C 1 0 0 0 45333 This will limit the maximum receive connect carrier speed to 45 333 bps in V 90 mode MS This command returns the current MS sub parameter settings MS This command returns a listing of all supported values for each sub parameter For the current modem driver the response is the following 36 AT Commands AT command formats MS V21 V22 V22B V23 V32 V32B V34 V90C 56K 0 1 0 0 300 33600 0 0 300 56000 The valid values for carrier are Value Meaning 9 V90 V90 K56 K56flex V34 V34 V32 V32 V32B V32bis V22 V22 V22B V22bis V23 V23 V2 21 The valid values for max_rate for the different carriers are Value Meaning V90 K56 V34 2400 33600 in steps of 2400 V32bis 4800 19200 in steps of 2400 V32 4800 14400 in steps of 2400 V22bis 2400 V22 2200 V23 1200 21 300 The valid values for max rx rate for the different carriers are Value Meaning V90 28000 56000 in steps of 1333 K56 32000 56000 in steps of 200
43. ise Level 152 Receive Signal Power Level 4 25 10 Transmit Signal Power Level dBm 16 11 Round Trip Delay msec 4 Press any key to continue Esc to quit 12 Near Echo Level dBm NA 13 Far Echo level dBm NA 14 Transmit Frame Count 3 15 Transmit Frame Error Count 0 16 Receive Frame Count 0 17 Receive Frame Error Count 0 18 Retrain by Local Modem 0 19 Retrain by Remote Modem 0 20 Call Termination Cause 0 21 Robbed Bit Signaling 00 22 Digital Loss dB 6 OK The ATI11 command may be issued from online command mode or after the end of a call After a call some of the values are no longer valid it s useful to know which ones Each of the line items in the ATI11 results are defined as follows 1 90 V 34 or V 32 depending on the type of connection negotiated Initial upstream rate Initial downstream rate Current or final upstream rate an oU N Current or final downstream rate 10 11 12 13 14 15 16 17 18 19 20 AT Commands 1 0 AT command formats LAPM or MNP or None depending on V 42 negotiation V42bis or MNP or None depending on V 42 negotiation Mean square error of received downstream signal This is a dimensionless decimal number only valid during a call Higher numbers are worse There s no absolute threshold of good reception it depends on the downstream data rate The number varies during a call so it can be useful to sample it a few times The received signal
44. k analog loopback within the modem from the transmitter to the receiver then sent back to the computer The test enables you to check whether the computer and modem are working properly od 60 Test Function Testing procedure Computer Modem Transmission Transmitter Reception Receiver Local analogNoopback test Testing procedure To conduct the loopback test 1 Enter the following AT commands to set the modem to normal mode Receive 2 4 Test Function 61 Testing procedure Enter the following AT commands to select the local analog loopback test amp 1 You are now in the online state Enter characters from the keyboard as desired The characters you enter should be displayed on the screen Enter the escape code as follows to return to the command state from the online state Receive OK Enter the following AT commands to terminate the test AT amp T0 Receive OK Appendix specifications This appendix summarizes the Toshiba internal modem s technical specifications Network control unit NCU Type of NCU Type of line Type of dialing Control command Monitor function AA General telephone line Pulse Tone AT commands EIA 578 commands Computer s speaker 63 64 Specifications Communication specifications Communication Data Full duplex system Fax Half duplex Communication Data I
45. l device The computer can be powered on automatically when the modem answers a call This feature is available only when the computer is in Resume Standby mode Refer to your computer s documentation for details on ring indicator power on When the computer is set to Standby or Hibernate the modem settings automatically resume when you turn on the power Refer to your computer s documentation for details on Standby Hibernate modes XV Function charts The chart below lists the internal modem s supported communication protocols Functions available in all operating systems Function Remarks Data V 90 From 32 Kbps to 56 Kbps V 34 From 2400 bps to 33 6 Kbps V 32bis 4800 7200 9600 bps 12 14 4 Kbps V 32 4800 9600 bps V 22bis 1200 2400 bps V 22 1200 bps V 23 75 600 1200 bps V 21 300 bps BELL212A 1200 bps BELL103 300 bps MNP5 Data compression MNP4 Error control V 42bis Data compression V 42 Error control Fax V 17 7200 9600 bps 12 14 4 Kbps Note bps stands for bits per second XVI Functions available in all operating systems Continued Function Remarks V 29 7200 9600 bps V 27ter 2400 4800 bps V 21 ch2 300 bps EIA 578 Class 1 command set for fax Note bps stands for bits per second User s guide contents This user s guide is composed of six chapters plus an Introduction two appendixes a glossary and an index 5 4 4 4
46. lass 4 correction it can connect in class 5 to remote modems that support class 5 Operation modes The operation mode depends on whether an error correction protocol is being used Normal mode Errors are not corrected even if communication speed is different between a personal computer and modem or between modems the buffers in the modem and the flow control function permit communication without changing communication speed Reliable mode This mode is used with MNP or V 42 protocols to ensure error free communication 5 A MNP and V 42 Flow control Commands Nn The following N modulation handshake commands are used to set the communication mode NO N1 Remote modem unable to use MNP or V 42 N2 Remote modem uses MNP N3 Uncertain if remote modem can use MNP or 42 N4 Remote modem uses V 42 N5 N7 Same as N3 For details refer to AT Commands on page 13 Flow control In both normal mode and reliable mode the buffers in the modem and its flow control function permit communication even if the speed is different between a personal computer and modem serial port or between modems modem port If there is a speed difference between the serial port and modem port the buffers in the modem will become full periodically Therefore the communication activity is controlled so that data transmission or reception is temporarily halted before the data exceeds buffer capacity and transmission is r
47. lt code selection 23 return to online data mode 21 select pulse dial make break ratio 27 select pulse dialing 22 select tone dialing 22 self test commands 28 store current configuration 30 store telephone number 31 V 90 enable disable 33 00 Index 91 view active configuration and stored profile 28 C call receiving 9 terminating 9 Clear To Send 10 communication standard setting 14 communications dial mode types 67 facsimiles 11 handshake commands 54 modes 54 parameters 66 protocols supported xv specifications 63 telephone line types 67 connecting internal modem 5 6 connecting to a telephone line 8 connection procedures 5 CTS RTS 10 D data carrier detect 25 data compression 57 data compression control 33 data terminal ready DTR 26 default settings 1 diagnostics 2 dial a telephone number 15 dial tone detect 24 disconnecting the internal modem 7 display result codes 23 downsteam rate 45 echo command 16 error control mode selection 31 escape sequence 14 extended result codes 24 F fax communication 11 features internal modem xiii flow control 54 computer to modem 54 modem port 55 56 modem to modem 54 serial port 55 computer to modem 55 software 55 two way 56 G guard tone control 27 H handshake 21 handshake commands 54 hardware setup 1 hook control 16 icons definitions xviii internal modem communications protocols xv connecting 6 connection proc
48. mber and its new value press Enter SO Auto answer ring number This register determines the number of rings the modem will count before automatically answering a call Enter 0 zero if you do not want the modem to automatically answer at all When disabled the modem can only answer with an ATA command Range 0 255 Default 0 Units rings 51 Ring counter This register is read only The value of S1 is incremented with each ring If no ring occurs over a six second interval the register is cleared Range 0 225 Default 0 Units rings S Registers 41 S Register values 52 AT escape character user defined This register determines the ASCII value used for an escape sequence The default is the character The escape sequence allows the modem to exit data mode and enter command mode when online Values greater than 127 disable the escape sequence Range 0 255 Default 43 Units ASCII 3 Command line termination character user defined This register determines the ASCII values as the carriage return character This character is used to end command lines and result codes Range 0 127 ASCII decimal Default 13 carriage return Units ASCII 4 Response formatting character user defined This register determines the ASCII value used as the line feed character The modem uses a line feed character in command mode when it responds to the computer Range 0 127 ASCII decimal Default 10 line feed Uni
49. nnected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be coordinated by a representative designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate 2 Theusers guide of analog equipment must contain the equipment s Ringer Equivalence Number REN and an explanation notice similar to the following The Ringer Equivalence Number REN of this device can vary For the REN number of your modem refer to your computer s user s guide NOTICE The Ringer Equivalence Number REN assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone int
50. oard For example Enter identifies the Enter key Key operation Some operations require you to simultaneously use two or more keys We identify such operations by the key top symbols separated by a plus sign For example Ctrl means you must hold down Ctrl and at the same time press C If three keys are used hold down the first two and at the same time press the third XVIII ATDT Text you are to type in is represented in the type face you see to the left Display ABC Text generated by the computer that appears on its display screen is presented in the type face you see to the left bold Messages Messages are used in this user s guide to bring important information to your attention Each type of message is identified as shown below CAUTION Pay attention A caution informs you that improper use of equipment or failure to follow instructions may cause data loss or damage your equipment 2 make best use of your equipment NOTE Please read A note is hint or advice that helps you Chapter 1 Hard wate Setup cata me Reb ere op Function DA EE REA E Re Setup This chapter describes how to set up your hardware and how to check the internal modem s functions It is written primarily for users who for some reason need to set up the modem again Some procedures may vary slightly for users who have a preinstalled modem Hardware Se
51. on your modem they should be performed by Toshiba Corporation or an authorized representative of Toshiba Corporation Disconnection If you should ever decide to permanently disconnect your modem from its present line please call the telephone company and let them know of this change Fax branding The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device to send any message via a telephone fax machine unless such message clearly contains in a margin at the top or bottom of each transmitted page or on the first page of the transmission the date and time it is sent and an identification of the business other entity or individual sending the message and the telephone number of the sending machine or such business other entity or individual In order to program this information into your fax modem you should complete the setup of your fax software before sending messages Instructions for IC CS 03 certified equipment 1 NOTICE The Industry Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document s The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be co
52. onnects This is also known as MNP reliable mode W3 42 MNP or buffer default The modem attempts to connect in V 42 error control mode If this fails the modem attempts to connect in MNP mode If this fails the modem connects in buffer mode and continues operation This is also known as V 42 MNP auto reliable mode WA V 42 or disconnect The modem attempts to connect in V 42 error control mode If this fails the call will be disconnected 32 AT Commands AT command formats 5 V 42 MNP or Buffer same as W3 7 V 42 MNP or Buffer same as N3 Result Codes OK n 0 1 2 3 4 5 7 ERROR Otherwise On Local flow control selection XQO Disable flow control Q1 XON XOFF software flow control X03 RTS CTS to DTE default Result Codes OK n 0 1 3 ERROR Otherwise Wn Protocol result code WO Disable protocol result code appended to DCE speed V1 Enable protocol result code appended to DCE speed default Result Codes OK 0 1 ERROR Otherwise AT Commands 33 AT command formats Data compression control This command determines the operation of V 42bis and MNP class 5 data compression Online changes do not take effect until a disconnect occurs first CO V 42bis MNP 5 disabled No data compression V 42bis MNP 5 enabled Data compression enabled default Result Codes OK n 0 1 ERROR Otherwise V 90 n This command enables disables V 90 and changes t
53. ort to send and receive data to and from the modem of remote station MNP A protocol developed by Microcom a modem manufacturer in the United States which with an error correcting function built into the modem itself corrects errors in the modem Normal mode Error correction is not made by MNP or V 42 but even if serial port speed is different from modem port speed the buffers in the modem and its flow control function permit communication without changing their speeds on line A functional state in which a device is ready to receive or transmit information online Available through the computer Online may refer to information on the hard disk such as online documentation or online help or a connection through a modem to another computer or the Internet On hook Off hook On hook means the handset is on the telephone and off hook means it is off The line is disconnected from the internal modem when the handset is on hook and connected to the internal modem when it is off hook parity A method in serial communications of making sure that the information received is the same as the information that was sent It consists of adding an error detection bit to a group of data bits making the sum of the bits either odd or even When you re using a modem to connect to another computer you can set parity to none odd or even In general you should set parity to none unless you re requested to do otherwise Private
54. power although labeled dBm is only a relative measure for comparing calls to from different locations Only valid during a call Upstream transmit signal power Round trip delay in millliseconds Echo levels are valid for V 34 only Echo levels are valid for V 34 only Number of LAPM frames sent upstream during this call Count wraps around at 65535 Number of REJ frames received at the analog client modem Number of LAPM frames received by client during this call Count wraps around at 65535 Number of frames received in error by the client Number of retrains or rate renegotiations requested by this modem Number of retrains or rate renegotiations requested by remote modem Reason for call ending only valid after call ends 0 Local modem command DTR drop 1 Remote modem cleardown loss of signal 20 Commands AT command formats 2 No answer busy etc 3 Training failure V 90 56K or V 34 4 Protocol failure if required by WA for example 21 For PCM connection only a hexidecimal 6 bit pattern of T1 frames with robbed bit signaling 22 For PCM connection only the downstream digital loss Result Codes As described n 0 1 2 3 4 5 6 7 8 9 11 ERROR Otherwise Ln Monitor speaker volume This command sets speaker volume to low medium or high 10 Low volume L1 Low volume Same as 1 0 L2 Medium volume default L3 High volume Result Codes OK n 0 1 2 3 ERROR Other
55. rom the computer The receiving modem decompresses the received data and sends it to its own computer This data compression function increases actual transmission speed up to twofold in communications using MNP5 or up to three or fourfold in communications using V 42bis The compression ratio varies depending on the data Actual speed will not always be raised close to the maximum compression ratio Commands Select whether or not to compress data in communications by MNP class 5 or V 42bis as follows C1 Enables data compression For details refer to AT Commands on page 13 Chapter 6 Test description Testing procedure eee n Test Function Normally data communications are executed by connecting your computer and modem to those of a remote station with a communication line If any errors or malfunctions are encountered it is necessary to check whether the cause is in the local station the remote station or the communication line Test description This internal modem has a local analog loopback test function that identifies the cause of a malfunction You can use the test to check errors in data communications or to check operation following modem connection When conducting a test use the amp T command to select test mode and control For details on the amp T command refer to amp Tn Self test commands on page 28 In this test data is transmitted from the computer is looped bac
56. s Escape sequence The escape sequence allows the modem to exit data mode and enter online command mode While in online command mode you can communicate directly with your modem using AT commands When you finish you can return to data mode using the ATO command There must be a pause the length of which is set by Escape Guard Time S12 after you enter an escape sequence before any additional characters can be sent to the modem This pause prevents the modem from interpreting the escape sequence as data The value of the escape sequence character may be changed using register S2 A Repeat last command This command repeats the last command string entered Do not precede this command with an AT prefix nor conclude it by pressing Enter A Answer command This command instructs the modem to go off hook and answer an incoming call Bn Communication standard setting This command determines the communication standard either CCITT or Bell NOTE This command is only useful for matching the modem to slower modems It is rarely used today AT Commands 1 5 AT command formats BO Selects CCITT V 22 mode when the modem is at 1200 bps Bl Selects Bell 212A when the modem is at 1200 bps B2 Unselects V 23 reverse channel B3 Unselects V 23 reverse channel B15 Selects V 21 when the modem is at 300 bps B16 Selects Bell 103J when the modem is at 300 bps Result Codes OK n 0 1 2 3 15 16 ERROR Oth
57. s been detected NO CARRIER 3 Modem lost carrier signal or does not detect carrier signal or does not detect answer tone EC appears only when the Extended Result Codes configuration option is enabled EC is replaced by one of the following symbols depending upon the error control method used V 42bis V 42 error control and V 42bis data compression 42 V 42 error control only MNP 5 MNP class 4 error control and MNP class 5 data compression MNP 4 MNP class 4 error control only NoEC No error control protocol S Registers AT command set result codes 47 Command Set Result Codes Table Continued Result Code Numeric Description ERROR 4 Invalid command CONNECT 1200 EC 5 Connection at 1200 bps NO DIAL TONE 6 No dial tone detected BUSY 7 Busy signal detected CONNECT 2400 10 Connection at 2400 bps CONNECT 4800 11 Connection at 4800 bps CONNECT 9600 12 Connection at 9600 bps CONNECT 14400 EC 13 Connection at 14400 bps CONNECT 19200 EC 14 Connection at 19200 bps CONNECT 7200 24 Connection at 7200 bps CONNECT 12000 25 Connection at 12000 bps CONNECT 16800 EC 86 Connection at 16800 bps CONNECT 300 EC 40 Connection at 300 bps CONNECT 21600 EC 55 Connection at 21600 bps CONNECT 24000 EC 56 Connection at 24000 bps CONNECT 26400 57 Connection at 26400 bps CONNECT 28800 58 Connection at 28800 bps CO
58. se two codes cannot be transmitted or received CTS RTS two way flow control hardware Flow control is performed by turning on and off the control lines CTS clear to send and RTS request to send between the modem and the computer A transmission halt or restart request is made from the modem to the computer using the CTS signal A transmission halt or restart request is made from the personal computer to the modem using the RTS signal Commands amp Kn Select flow control between the modem and computer serial port as follows When CTS RTS flow control is supported by the communication software Q3 amp K3 Communication in reliable mode or normal mode When XON OFF flow control is only supported by the communication software Ww amp K4 Communication in reliable mode or normal mode For details refer to AT Commands on page 13 Modem port flow control Modem port flow control refers to flow control between the modems of the local station and remote station MNP and V 42 Data compression If data transmission from the modem under serial port flow control is interrupted because the computer cannot catch up with it modem port flow control is applied to the remote modem so that transmitted data will not exceed buffer capacity This flow control functions in normal mode only Data compression Protocols MNP class 5 and V 42bis are included in the modem to compress data received f
59. ster settings in the active configuration with factory values amp F Recall factory setting as active configuration amp Gn V 22bis guard tone control This command determines which guard tone if any to transmit while transmitting in the high band answer mode This AT Commands AT command formats 27 command is only used in V 22 and V 22bis mode This option is not used from North America and is for international use only amp GO Guard tone disabled default amp Gl Sets guard tone to 550 Hz amp G2 Sets guard tone to 1800 Hz Result Codes OK n 0 1 2 ERROR Otherwise amp Kn Local flow control selection Disables flow control amp K3 Enables RTS CTS flow control default amp K4 Enables XON XOFF flow control Result Codes OK n 0 3 4 ERROR Otherwise amp Pn Select Pulse Dial Make Break Ratio amp PO Selects 39 61 make break ratio at 10 pulses per second amp 1 Selects 33 67 make break ratio at 10 pulses per second amp P2 Selects 33 67 make break ratio at 20 pulses per second 28 Commands AT command formats Result Codes OK n 0 to 2 ERROR Otherwise amp Self test commands These tests can help to isolate problems if you experience periodic data loss or random errors Abort Stops any test in progress amp T1 Local analog loop This test verifies modem operation as well as the connection between the modem and computer Any data entered
60. terminating a call 9 test description 59 function 59 methods 59 Index 83 test function loopback test 60 transfer on transfer off 10 V 42 protocol 53 V 90 enable disable 33 view active configuration and stored profile 28 X XON XOFF control 10
61. the lever and plug the connector into the computer s modem port 3 Plug the other end of the cable into an RJ11 wall jack A Connecting the internal modem Using the Internal Modem 7 Basic operation NOTE When you connect the RJ11 jack insert it until you hear a Click Disconnecting the internal modem When you need to disconnect the internal modem s modular cable for transporting the computer or for some other reason 1 Pinch the connecting lever on the connector in the telephone wall jack and pull out the connector Squeeze here M Lu Disconnecting the cable from the wall jack 2 Disconnect the modular cable from the computer s modem port Basic operation After you connect the modular cable to your internal modem and a telephone line you are ready to run your communication software Refer to your software documentation for instructions on operating your internal modem As examples this section describes how to execute basic modem operations by typing AT commands directly into the communication software program You must be in terminal mode to enter the AT commands Refer to your software documentation or online help Using the Internal Modem Basic operation Connecting to a telephone line The AT commands for connecting to a telephone line depend on whether you are using a direct line or an extension line such as in an office building Direct access line 5
62. tone if allowed by county restriction The timer also specifies the wait for silence time for the 2 dial modifier in seconds 57 is not associated with the W dial modifier S Registers 43 S Register values Range 1 255 Default 50 Units seconds S8 Comma pause time This register sets the time in seconds that the modem must pause when it encounters a comma in the dial command string Range 0 65 Default 2 Units seconds 10 Automatic disconnect delay This register sets the length of time in tenths of a second that the modem waits before hanging up after a loss of carrier This allows for temporary carrier loss without causing the local modem to disconnect The actual interval the modem waits before disconnection is the value in register S10 Range 1 254 Default 20 Units 1 seconds AA S Registers S Register values 11 DTMF dialing speed This register determines the dialing speed Range Default Units 12 Escape guard time 50 150 95 001 seconds This register sets the value in 20 ms increments for the required pause after the escape sequence default 1 second Range Default Units S37 Dial line rate S37 0 default 37 1 37 2 37 3 37 4 37 5 537 6 37 7 537 8 37 9 37 10 937 11 37 12 0 255 50 02 seconds maximum modem speed reserved 1200 75 bps 300 bps reserved 1200 bps 2400 bps 4800 bps 7200 bps 9600 bps 12000 bps 14
63. ts ASCII 5 Command line editing character user defined This register sets the character recognized as a backspace and pertains to asynchronous transmission only The modem will not 42 S Registers S Register values recognize the backspace character if it is set to an ASCII value greater than 32 This character can be used to edit a command line When the echo command is enabled the modem echoes back to the local DTE the backspace character an ASCII space character and a second backspace character This means a total of three characters are transmitted each time the modem processes the backspace character Range 0 127 ASCII decimal Default 8 backspace Units ASCII S6 Wait before dialing This register sets the length of time in seconds that the modem must wait pause after going off hook before dialing the first digit of the telephone number The modem always pauses for a minimum of two seconds even if the value of S6 is less than two seconds The wait for dial tone call progress feature W dial modifier in the dial string will override the value in register S6 Range 2 65 Default 2 Units seconds 7 Connection completion time out This register sets the time in seconds that the modem must wait before hanging up because the carrier is not detected The timer is started when the modem finishes dialing originate or goes off hook answer In originate mode the timer is reset upon detection of an answer
64. tup Use the MS DOS or TSETUP program to set the COM port I O address port and IRQ level Refer to your computer s documentation The default settings are Device Configuration All devices Built in Modem Com 2 QF8H IRQ3 2 Setup Function check NOTE HWSETUP in Windows does not enable changes to ports Function check Use the Diagnostic function accessible in the Modems Properties window to check the functions of your internal modem To run the diagnostics 1 Click the Diagnostics tab in the Modems Properties window Modems Properties i TOSHIBA Internal 90 Modem PIGBETHES Modem Properties window 2 Select the COM Port for Toshiba Internal V 90 Modem This is the COM port for the Toshiba internal modem Setup 3 Function check 3 Click More Info The system executes an automatic operations test If the test does not run or if an error message appears repeat the setup procedures OK TOSHIBA V 90 Data Fax Modem Versio 5 56 2 19 OK OK Diagnostics tab More Info window Chapter Connection procedures Basicoperation rrr e e S Ee ren Using the Internal Modem This chapter describes connection procedures and basic operations Connection procedures This section describes how to connect the internal modem to and disconnect it from a telephone jack CAUTI
65. ur monitor echoed while the modem is in command mode EO Disables echo to the computer Enables echo to the computer default Result Codes OK n 0 1 ERROR Otherwise Hn Hook control This command instructs the modem to go on hook to disconnect a call or off hook to make the phone line busy HO Modem goes on hook default H1 Modem goes off hook AT Commands 1 7 AT command formats Result Codes OK n 0 1 ERROR Otherwise In Request ID information This command displays product information about the modem Returns modem identity string and driver version number same as 13 Calculates ROM checksum and displays it on the DTE 12 Performs ROM check and calculates and verifies the checksum displaying OK or ERROR I3 Returns modem identity string and driver version number same as IO I4 Returns firmware version for data pump 15 Returns the code ver board ID country ID and subsystem vendor ID 16 8 Returns OK for compatibility 1 Returns country ID in English The result has two pages you must hit a key to get the second page See the following example ATIII Description V90 1 Last Connection V 90 2 Initial transmit Carrier Rate 28800 3 Initial Receive Carrier Rate 49333 4 Final Transmit Carrier Rate 28800 5 Final Receive Carrier rate 49333 6 Protocol Negotiation Result LAPM 1 8 AT Commands AT command formats Data Compression Result V42bis Estimated No
66. ustries Association is a manufacturers group that sets standards for data communications equipment error control Detection of errors in data communication Requests retransmission of data in which errors were found Glossary 15 escape 1 To cancel the task currently in progress 2 A code ASCII code 27 generated by the Esc key telling the computer that what follows are commands not data Used with peripheral devices such as printers and modems Error control Detection of errors in data communication Requests retransmission of data in which errors were found Escape control This code is used to return to the command state without disconnecting the line when the internal modem is online FIFO First In First Out means the first data that enters a buffer is the first to be retrieved Fallback Reduction of a modem s speed If the remote modem cannot communicate as fast as the local modem the local modem will reduce its speed firmware A set of instructions built into a chip to control its activities Flow control Flow control ensures smooth data communication If operating speed differs between the personal computer and modem or between your modem and a remote modem and if the remote station runs short of buffer capacity a transmission halt request is sent from the receiver to the transmitter When the receiver has enough buffer capacity to resume receiving data a transmission restart request is sent There are two w
67. ver it also enables or disables extended result codes 2 4 AT Commands AT command formats Extended Dialtone Busy signal Command Result code Detect Detect Disable Disable Disable Enable Disable Disable 2 Enable Enable Disable X3 Enable Disable Enable X4 default Enable Enable Enable X5 Enable Enable Enable X6 Enable Enable Enable X7 Disable Enable Enable Extended result codes Disabled Displays only the basic result codes OK CONNECT RING NO CARRIER and ERROR Enabled Displays basic result codes along with the connect message and the modem s data rate and an indication of the modem s error correction and data compression operation Dial tone detect Disabled The modem dials a call regardless of whether it detects a dial tone The period of time the modem waits before dialing is specified in register S6 Enabled The modem dials only upon detection of a dial tone and disconnects the call if the dial tone is not detected within 10 seconds Busy tone detect Disabled The modem ignores any busy tones it receives AT Commands 25 AT command formats Enabled The modem monitors for busy tones Result Codes OK n 0 1 2 3 4 5 6 7 ERROR Otherwise Zn Recall stored profile The modem performs a soft reset and restores recalls the configuration profile according to the parameter supplied If no parameter is specified zero is assumed Either ZO or Z1 restores the profile Result Codes
68. wise Mn Monitor speaker mode This command turns the speaker on or off MO The speaker is off MI The speaker is on until the modem detects the carrier signal default AT Commands 24 AT command formats M2 The speaker is always on when modem is off hook Result Codes OK n 0 1 2 ERROR Otherwise Nn Modulation handshake This command controls whether or not the local modem performs a negotiated handshake at connection time with the remote modem when the communication speed of the two modems is different NO When originating or answering this is for handshake only at the communication standard specified by S37 and the ATB command N1 When originating or answering begin the handshake at the communication standard specified by S37 and the ATB command default During handshake a lower transmission speed may be selected Result Codes OK n 0 1 ERROR Otherwise On Return online to data mode OO Instructs the modem to exit online command mode and return to data mode see AT escape sequence This command issues retrain before returning to online data mode 22 AT Commands AT command formats O3 This command issues a rate renegotiation before returning to online data mode Result Codes OK n 0 1 3 ERROR Otherwise P Select pulse dialing This command configures the modem for pulse non touch tone dialing Dialed digits are pulsed until a T command or dial modifier is received Ton
69. xample 0 before dialing Dial modes There are two types of dial modes pulse dial and tone dial Generally pulse dial lines are associated with rotary phones but there may be cases where a push button phone is connected to a pulse dial line so it is not possible to identify the type of line simply by looking at the phone If you are not sure what type of line you are using check an ordinary direct line by the following AT command where n is the outside number ATDTn Enter 68 Communication Conditions If you connect to the dialed number the line is tone dial type If you do not get a connection it is pulse dial type The command ATDP will connect a pulse line Glossary Acronyms bps or BPS Bits per Second COMI Communications Port 1 serial port COM 2 Communications Port 2 serial port CPU Central Processing Unit FCC Federal Communications Commission FTP File Transfer Protocol GND Ground HDD Hard Disk Drive HTML HyperText Markup Language I O Input Output IRQ Interrupt Request ISA Industry Standard Architecture KB Kilobyte LAN Local Area Network LBA Logical Block Addressing 69 10 Glossary LFB Linear Frame Buffer LPTI Line Printer Port 1 parallel port MB Megabyte MIPS Millions of Instructions per Second PBX Private Branch Exchange PCT Peripheral Component Interconnect Programmed Input Output RFT Radio Frequency Interference ROM Read Only Memor
70. y Real Time Clock SIMM Single Inline Memory Module SPB Synchronous Pipeline Burst cache UART Universal Asynchronous Receiver Transmitter URL Universal Resource Locator USB Universal Serial Bus VCR Video Cassette Recorder VESA Video Electronics Standards Association WSS Windows Sound System WWW World Wide Web Auto reliable mode This mode connects to a remote station by MNP or V 42 if the remote modem accepts either of these protocols Otherwise it connects in normal mode address A number that identifies a location in the computer s memory or on disk It tells the computer where to find information such as the name of a file or a value for processing A device may use a specific memory address to transfer information to and from the computer See also hexadecimal alphanumeric Consisting of numbers symbols and letters you can type or print Glossary American National Standards Institute ANSI character set The set of characters available in Microsoft Windows or other operating system The character set includes letters numbers symbols and foreign language characters American Standard Code for Information Interchange ASCII A set of 256 binary codes that represent the most commonly used letters numbers and symbols See also binary animation A technique of imparting motion to items either drawings or inert objects application A computer program that you use to perform tasks of a

Toshiba V.90 Network Card User Manual

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