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Extended AT Commands

Command

Description

Data carrier detect (DCD) signal

AT&C0

Forces DCD signal to be on at all times. (default)

AT&C1

DCD on indicates presence of data carrier.

Data terminal ready (DTR) signal

Interprets the ON to OFF

transition of the DTR signal from the DTE according to the &Q
settings.

AT&D0

&Q0,5,6. DTR ignored.
&Q1,4. Modem hangs up; auto answer not affected.
&Q2,3. Modem hangs up; auto answer inhibited.
(default)

AT&D1

&Q0,1,4-6. Asynchronous escape sequence.
&Q2,3. Modem hangs up; auto answer inhibited.

AT&D2

&Q0-6. Modem hangs up; auto answer inhibited.

AT&D3

&Q0,1,4-6. Modem does a soft reset as if the ATZ
command were received;
&Q2,3. Modem hangs up; auto answer inhibited.

AT&F

Recalls factory defaults. Instructs the modem to use
the factory set parameters.

DTE/Modem flow control

AT&K0

Disable flow control.

AT&K3

Enable RTS/CTS (default for data mode)

AT&K4

Enable XON/XOFF.

AT&K5

Enable transparent XON/XOFF.

AT&K6

Enable both RTS/CTS and XON/XOFF
(default for FAX mode)

Modem Command Reference

HOMEOFF.PM6

5/9/97, 9:15 AM

Содержание HOME OFFICE

Страница 1: ...1 HOME OFFICE MODEM 33 6 Internal External Fax Modem Advanced User s Guide...

Страница 2: ...2 HOME OFFICE MODEM...

Страница 3: ...roduct How to get Technical Assistance The dealer that you purchased this product or your computer from is the first place you should go for technical assistance The dealer is usually the most qualifi...

Страница 4: ...programs to ensure the product you purchased is of the highest caliber Sometimes however a component may be missing from the box or is damaged or corrupt in some way If this happens immediately return...

Страница 5: ...ch Inc Boca Research is not liable for any damage resulting from technical or editorial errors or omissions contained in this document The information in this manual is subject to change without notic...

Страница 6: ...on for Windows 95 13 Section Five Troubleshooting 14 Appendix A Technical Specifications 19 Appendix B Compliance Information 20 Appendix C Modem Command Reference 27 Basic AT Commands 31 Extended AT...

Страница 7: ...ndard 14 4Kbps send receive fax n 100 compatible with the Hayes AT command set n Auto dial and auto answer tone or pulse dialing n Group III send and receive fax capability with support for Class 1 an...

Страница 8: ...aults the suggested initialization INIT string is ATZ If you want to custom configure your stored profiles we suggest that you always start out with an AT F C1 D2 before customizing other commands Thi...

Страница 9: ...your external modem package contains the following items Package Contents AC POWER ADAPTER 12 12 12 12 RJ 11 CABLE EXTERNAL MODEM COMMUNICATIONS SOFTWARE MANUAL ADVANCED USERS GUIDE If any items are m...

Страница 10: ...he following items ADVANCED USERS GUIDE COMMUNICATIONS SOFTWARE MANUAL INTERNAL HOME OFFICE MODEM 12 12 1 1 RJ 11 CABLE If any items are missing or damaged contact the vendor from whom you purchased t...

Страница 11: ...t interface n Operating the HOME OFFICE MODEM with a computer requires communication software either as a stand alone product as included here or as part of an application program n The HOME OFFICE MO...

Страница 12: ...r OH Off Hook ON when the modem takes control of the telephone line to establish a data link SD Send Data FLASHES when a data bit is sent to the modem by the computer RD Received FLASHES when a data b...

Страница 13: ...rd that may be using one of these resources for an extra Printer Port for example you can disable the extra printer port on the I O card and make that IRQ available for your new Home Office Modem Anot...

Страница 14: ...y n Check the connections between the modem and the computer and the modem and the telephone line n Make sure the telephone jack is operational as described above n The telephone line may be in use at...

Страница 15: ...n Make sure the echo command is set to ON Change to echo with the ATE1 command n Make sure the local yours and remote modem configurations are compatible n Turn off your modem EXTERNAL exit and re ru...

Страница 16: ...be answering before the modem can Turn the answering machine off or use the software to set auto answer to respond in fewer rings than the answering machine n Check for any loose connections n Re try...

Страница 17: ...lation Hints on page 8 An Q6 which disables error control is optional n Try connecting at a lower speed e g 9600 or 2400bps n Turn off error correction compression with an AT Q6 C0 command n Noisy poo...

Страница 18: ...Q6 and setting the communication software to the correct baud rate for the service you are calling e g 2400 9600bps If you still have problems connecting try forcing the modem to connect up at the slo...

Страница 19: ...Bell Bell 212A 1200bps Bell 103 300bps Rockwell V FC Fax Modulation Protocols V 17 14 4Kbps transmit and receive V 29 9600 7200bps transmit and receive V 27 ter 4800 2400bps transmit and receive V 21...

Страница 20: ...erference 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 r...

Страница 21: ...hom you purchased the MODEM Telephone Connection Requirements Except for telephone company provided ringers all connections to the telephone network shall be made through standard plugs and standard t...

Страница 22: ...nt of Communications label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements The Depart...

Страница 23: ...load numbers of all the devices does not exceed 100 The Load number appears on the underside of the HOME OFFICE MODEM To be installed in UL listed and CSA certified computers with instructions on how...

Страница 24: ...ther normative documents Safety The Product complies with the requirements of the low voltage directive 73 23 EEC EN 60950 1992 A1 A2 EMC EN 55022 1993 Class B EN 50082 1 1992 IEC 801 2 1991 4kV CD 8k...

Страница 25: ...ANCHER LA LIGNE TELEPHONIQUE DE LA CARTE MODEM MUNIE D UNE PRISE OR D UNE FICHE AVANT DE PROCEDER A L INSTALLATION DANS L APPAREIL OU LORSQUE LE COUVERCLE DE CELUI CI EST RETIRE 3 CAUTION APPLY THE EN...

Страница 26: ...5 call attempts shall be made to the same number within a one hour period b There shall be at least 60 seconds between call attempts c Not more than a total of 10 call attempts shall be made to the sa...

Страница 27: ...for additional details Hayes compatible commands consist of a basic command set and an extended command set The basic set involves functions such as dialing a number or putting the modem on hook i e r...

Страница 28: ...AT command for V 42 V 42bis Examples AT K3 enables RTS CTS hardware based flow control Flow control compensates for the difference between the rate at which data reaches a device and the rate at whic...

Страница 29: ...col developed by Microcom for full duplex error free communications This protocol detects and corrects errors which can result from telephone line noise and other signal distortions There are several...

Страница 30: ...CITT serial interface standard EIA RS232 D V 32 CCITT standard for 9600bps and 4800bps communications V 32bis CCITT standard for an extensive range of high speed modems operating at 14 400bps 12Kbps 9...

Страница 31: ...escription ATD 0 9 DTMF digits L Re dial last number P Pulse rotary dial 10 pulses per second T Touch tone dial DTMF W Wait for dial tone for 1 255 seconds Default is 50 seconds this value is set by t...

Страница 32: ...ATI1 Displays the checksum ATI2 Displays ROM checksum as OK or ERROR ATI3 Displays the firmware revision level ATI4 Reports OEM defined identifier string ATI5 Reports country code ATI6 Reports modem d...

Страница 33: ...om command mode to on line mode and initiates an equalizer retrain sequence d Mode responses ATQ0 Enables result codes to be issued to the screen default ATQ1 Disables result codes to be issued to the...

Страница 34: ...herwise by country requirements sends only OK TONE NO ANSWER and CONNECT XXXX result codes ATX3 Enables monitoring of busy tones sends only OK CONNECT RING NO CARRIER ERROR NO DIALTONE NO ANSWER and C...

Страница 35: ...to answer inhibited default AT D1 Q0 1 4 6 Asynchronous escape sequence Q2 3 Modem hangs up auto answer inhibited AT D2 Q0 6 Modem hangs up auto answer inhibited AT D3 Q0 1 4 6 Modem does a soft reset...

Страница 36: ...make break ratio of 39 61 at 10pps US andCanada default AT P1 Selects a make break ratio of 33 67 at 10pps UK and Hong Kong AT P2 Same as 0 except at 20pps AT P3 Same as 1 except at 20pps Asynchronous...

Страница 37: ...utes the remote digital loopback test with a self test AT T8 Executes the remote analog loopback test with a self test View Configuration AT V View current configuration and user profile Store user pr...

Страница 38: ...acters DEFAULT AT A2 set maximum block size to 192 characters AT A3 set maximum block size to 256 characters Transmit Break When this command is entered during a non MNP connection a break signal is s...

Страница 39: ...sends a break to the remote modem AT K5 modem sends a break to the remote modem in sequence with any transmitted data DEFAULT 2 When a break is received from the remote modem during NORMAL mode AT K0...

Страница 40: ...ring mode AT N1 DIRECT pass through mode AT N2 RELIABLE LINK mode Specifies error correction for the modem to modem connection AT N3 AUTO RELIABLE LINK mode Attempts error correction connection but wi...

Страница 41: ...er or not the modem automatically monitors the line quality and requests a retrain when necessary AT E0 disables line quality monitor auto retrain AT E1 enables line quality monitor auto retrain AT E2...

Страница 42: ...eye quality monitor This can range from 0 to 255 When the value is 8 or greater the modem will automatically retrain if enabled by the AT E1 command The value for a normal connection ranges from 0 to...

Страница 43: ...ernatively be used in which case the MS subparameters will be modified to reflect the Nn command and S37 x settings Use of the Nn and S37 x commands is not recommended but is provided for compatibilit...

Страница 44: ...values list of supported automode values list of supported min_rate values list of supported max rate values Example MS 0 1 2 3 9 10 11 64 69 74 0 1 300 28800 300 28800 Subparameter Definitions 1 mod...

Страница 45: ...answering modes transmit at 1200bps and receive at 75bps The rate is always specified at 1200bps The modem may also automatically switch to another modulation automode subject to the following constra...

Страница 46: ...tion a If max_rate is within the rates supported by the selected modulation the selected rate is that specified by max_rate Example MS 9 0 1200 4800 selects V 32 4800bps fixed rate b If max_rate is gr...

Страница 47: ...using mod and max_rate respectively Set min_rate to 300 to allow automoding all the way down to V 21 300bps Example MS 11 1 300 16800 selects automode starting at V 34 16800bps no comparable S37 comma...

Страница 48: ...ds Reading a Register Value To read the current value of a register type AT Sn ENTER where n is a register number AT Sn Sn ENTER from the command mode To read the register values of S0 and S1 type AT...

Страница 49: ...Pause time for dial delay S9 1 255 seconds 6 10 Carrier detect S10 1 255 seconds 14 1 4 Lost Carrier to Hang Up Delay S11 50 255 95 100 DTMF tone duration in one hundredth second increments S12 0 255...

Страница 50: ...Control S37 0 Line Connection speed NOTE Desired sub V 34 line connection speed If an invalid number is entered the number is accepted into the register but S37 will react as though the default value...

Страница 51: ...th no compression 138 enables error correction WITH compression S48 0 7 128 7 V 42 Negotiation NOTE 0 disables negotiation and proceeds with LAPM 7 enables negotiation and 128 disables negotiation and...

Страница 52: ...efined as follows for S95 0 CONNECT CODE indicates DCE speed instead of DTE speed 1 Append ARQ automatic repeat request to verbose CONNECT XXXX result code if protocol is other than none 2 Enable CARR...

Страница 53: ...NNECT 5 Modem established a connection 1200 at 1200 1200bps NO 6 Modem did not detect a dial tone within 5 DIALTONE seconds after going off hook BUSY 7 Modem detected a busy signal NO ANSWER 8 Five se...

Страница 54: ...00 bps 38400 CONNECT 18 Connection made at 57600 bps 57600 CONNECT 19 Connection made at 115 200 bps 115200 CONNECT 22 Modem returns this result code when upon 75TX 1200RX establishing a V 23 originat...

Страница 55: ...fax modem connection is established DATA 35 A data modem connection is established CARRIER 40 Carrier rate of 300 bps 300 CARRIER 44 V 23 backward channel has been detected 1200 75 CARRIER 45 V 23 fo...

Страница 56: ...of 19200 bps 19200 CARRIER 55 Carrier rate of 21600 bps 21600 CARRIER 56 Carrier rate of 24000 bps 24000 CARRIER 57 Carrier rate of 26400 bps 26400 CARRIER 58 Carrier rate of 28800 bps 28800 COMPRESSI...

Страница 57: ...Modem has connected without any form of NONE error connection PROTOCOL 77 Modem has connected in the V 42 LAPM LAPM mode of error correction PROTOCOL 80 Modem has connected in the MNP mode of ALT erro...

Страница 58: ...during off hours if you have a question about product settings or if you wish to download special software or utilities If the Troubleshooting section Section Five did not resolve your problem you ma...

Страница 59: ...package Boca Research Inc will return any product which is not accompanied by an RMA number 3 Refer to the Warranty Statement if the product is covered under the five year Boca Research Inc Limited Wa...

Страница 60: ...uivalent to the original packaging and insure the package to protect against loss or damage during transit Shipping charges must be prepaid C O D shipments will not be accepted Please use the address...

Страница 61: ...returned merchandise Products which require Limited Warranty service during the warranty period should be delivered to BRI at the address in the Appendix Servicing Your Boca Product with proof of pur...

Страница 62: ...s setting agencies ASCII Acronym for American Standard Code for Information Interchange ASCII is an ANSI character set The standard ASCII character set consists of 128 decimal numbers 0 127 for letter...

Страница 63: ...command K A break signal is represented on the communications line by a steady space signal for a significant length of time Break signals may be activated from the keyboard by pressing the BREAK key...

Страница 64: ...nnection User data may then be transmitted or received dial modifier Dial modifiers are special characters appended to the ATD command which instruct the modem how to place a call digital signal A dis...

Страница 65: ...characters to pause or resume transmission full duplex Two way simultaneous transmission between modems which may occur via a four wire circuit on a leased line or with a two wire connection when the...

Страница 66: ...e carried over analog facilities long space disconnect Determines whether or not modem disconnects when it receives a continuous break from a remote modem Controlled by the ATY command loopback tests...

Страница 67: ...e When placing a call the modem is put on line with the dial command P PBX Private Branch Exchange A telephone switch at a customer site pulse dialing Also referred to as rotary dialing i e dialing wi...

Страница 68: ...d The basic AT command set originated by Hayes Microcomputer Products Inc synchronous clock source Applies to synchronous modem operations and is set with the X command The command specifies the clock...

Страница 69: ...69...

Страница 70: ...Manual Part No 9378 Rev 1 0...

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