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Command Reference

BASIC AT COMMANDS (default values are highlighted)

Command

Description

AT

Attention characters

ATA

Answer command

A/

Re-Execute last command

Transmit Carrier Signal

ATC0

Transmit carrier signal off. (default)

ATC1

Transmit carrier signal on.

Dial Modifiers

Dial

Options

Description

ATD

none

Dial. (ATD followed by phone number)

ATDL

none

Re-dial.

ATDP

none

Pulse (rotary) dial. 10 pulses per second.

ATDT

none

Touch tone dial (DTMF).

ATDW

1-255sec

Wait for dial-tone. Default is 50 seconds.

ATD,

0-255sec

Pause. Default is 2 seconds.

ATD@

none

Wait for quiet answer.

ATD!

none

Initiate hook flash.

ATD;

none

Return to command state after dialing.

ATD^

none

Disable calling tone.

ATDS=0-3 none

Dial stored number.

Summary of Contents for EXPRESS 14.4

Page 1: ...1...

Page 2: ...On Line EXPRESS 2...

Page 3: ...IT you should check your DOS manual or seek assistance from you local computer dealer to install the product How to get Technical Assistance The dealer that you purchased this product or your computer...

Page 4: ...he product please call our 900 priority support number for service This number gives you immediate access to senior level technicians The number is 900 555 4900 You will be charged 2 00 per minute The...

Page 5: ...ment in any form is allowed without permission in writing from Boca Research Inc Boca Research is not liable for any damage resulting from technical or editorial errors or omissions contained in this...

Page 6: ...h the streamlined EXPRESS Install provided here The balance of the manual contains a product overview troubleshooting technical specifications and a comprehensive AT command reference Make sure you ha...

Page 7: ...cedure outlined above continue with the EXPRESS Install on pages 8 12 AC ADAPTER PHONE JACK PHONE OPTIONAL RS 232 ADAPTER CABLE TO SERIAL PORT 9 or 25 pin connector Installation Overview REAR OF SYSTE...

Page 8: ...lug the small end of the power adapter into the power jack on the back of the modem and plug the power adapter into a standard 120V AC wall socket 4 Disconnect your present phone cord from the wall ja...

Page 9: ...you want to keep your telephone connected for conventional calls plug its cord into the other jack at the rear of the modem labeled PHONE Line jack RJ 11 cable Wall phone jack Phone jack EXPRESS Inst...

Page 10: ...n switch ON the modem switch in the LEFT position 6 Install your communications software now Depending on the software you choose refer to the appropriate manual for start up and configuration Followi...

Page 11: ...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 bit is Data received from t...

Page 12: ...d Command or File Name message will result 4 Type in the command ATZ followed by ENTER and the modem will respond with OK If the modem does not respond with OK refer to the Troubleshooting section of...

Page 13: ...1200 or 300bps Programmable speaker volume control Auto speed sensing Data throughput up to 57 600bps with RPI support Group 3 send and receive fax capability with support for Class 1 and Class 2 fax...

Page 14: ...change the INIT string in all of your software packages to this INIT string If you want to custom configure your stored profiles we suggest that you always start out with an AT F C1 D2 before customiz...

Page 15: ...to that interface Operating the modem with a computer requires communication software either as a stand alone product as included here or as part of an application program The modem takes a DB 25 25 p...

Page 16: ...line Make sure the telephone jack is operational as described above The telephone line may be in use at a different extension Perhaps the number you have called does not reach a modem or the remote mo...

Page 17: ...s factory defaults Move the modem to another serial port power down the host computer first If the modem works after being moved it s likely the problem is not with the modem Make sure the echo comman...

Page 18: ...ng machine Check for any loose connections Re try the connection by dialing the number several times You may be experiencing line interference An incoming call may have broken the connection if a call...

Page 19: ...nts page 8 Review earlier suggestions Make sure you use software included with modem Send an AT Q6N0S37 n where n 9 for 9600 6 for 2400 5 for 1200 1 for 300bps Try connecting at a lower speed e g 9600...

Page 20: ...using the command AT 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...

Page 21: ...d S Registers in command mode We include them here for more advanced users who may prefer command mode operation or require special settings Hayes compatible commands consist of a basic command set an...

Page 22: ...and control over modem operations Their format is the same as the basic command except that an additional parameter is required following the AT prefix and before the numerical parameter This additio...

Page 23: ...with a default value of 5 With S6 3 the modem will wait three seconds for a dial tone when going off hook before dialing the first digit of its telephone number Data Communication Protocols This can b...

Page 24: ...standard for 2400bps V 23 CCITT for 1200bps with a 75bps back channel This is mostly used in Europe and South America V 32 CCITT standard for 9600bps and 4800bps communications V 32bis CCITT standard...

Page 25: ...ve V 29 9600 7200bps transmit and receive V 27 ter 4800 2400bps transmit and receive V 21 channel 2 300bps transmit and receive Diagnostics Local remote digital and analog loopback Automatic power on...

Page 26: ...radio frequency energy and if not installed in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in...

Page 27: ...ment from the telephone line to determine if it is the customer s equipment which is not working properly or if the problem is with the MODEM the user shall discontinue use until it is repaired In the...

Page 28: ...company may make changes in its communications facilities equipment operations or procedures where such action is reasonably required and proper in its business Should any such changes render the cust...

Page 29: ...de by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunction may give the telecommunications comp...

Page 30: ...P5 protocols and data compression Software Developer Smith Micro 51 Columbia Aliso Viejo California 92656 Tradewind 1301 E Alosta Ave Suite 3900 Glendora California 94538 Bit Software 47987 Fremont Bl...

Page 31: ...l on Dial Modifiers Dial Options Description ATD none Dial ATD followed by phone number ATDL none Re dial ATDP none Pulse rotary dial 10 pulses per second ATDT none Touch tone dial DTMF ATDW 1 255sec...

Page 32: ...00 bps V 23 ATF4 Connect at 1200 bps V 22 or Bell 212A ATF5 Connect at 2400 bps V 22bis ATF6 Connect at 4800 bps V 32 or V 32bis ATF7 Connect at 7200bps V 32bis ATF8 Connect at 9600 bps V 32 or V 32bi...

Page 33: ...tion is established Automode enable ATN0 Requires speed of the connection be that specified by the value of S37 ATN1 Permits handshaking at any speed supported by both modems default Return to on line...

Page 34: ...es ATX0 Disables monitoring of busy tones unless forced otherwise by country requirements sends only OK CONNECT RING NO CARRIER ERROR and NO ANSWER result codes ATX1 Disables monitoring of busy tones...

Page 35: ...ds all messages default Control long space disconnect ATY0 Disables long space disconnect default ATY1 Enables long space connect Soft reset and restore profile ATZ Restores stored profile 0 default A...

Page 36: ...g 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...

Page 37: ...hardware based method uses an electrical signal Signals are exchanged as follows RECEIVER TRANSMITTER CTS ON START SENDING CTS ON RTS ON ready to send CTS OFF RTS OFF stop sending Select pulse dial ma...

Page 38: ...accept a request from a remote mode for a digital loopback test default AT T5 Instructs the modem to deny a request from a remote modem for a digital loopback test AT T6 Executes the remote digital lo...

Page 39: ...ort Received Signal Level AT L 009 9 dBm 010 10dBm etc all the way to 043 43 dBm Line signal and noise are determined by the unit of measurement dBm decibel referenced to one milliwatt To arrive at a...

Page 40: ...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 S0 S1 ENTER The modem will display...

Page 41: ...Wait time for Blind Dialing S7 1 255 seconds 50 Wait for carrier after dial S8 0 255 seconds 2 Pause time for dial delay S9 1 255 seconds 6 10 Carrier detect S10 1 255 seconds 14 1 4 Lost Carrier to...

Page 42: ...Delay S26 0 255 seconds 1 Delay Interval S27 9 hex Bit mapped registers S28 Bit mapped registers S29 Reserved S30 0 255 seconds 0 Inactivity Timer S31 Bit Mapped Options S32 0 255 ASCII 17 XON Charact...

Page 43: ...Attempt to connect at 14 4Kbps ATF10 12 Attempt to connect at 7200bps ATF7 S40 Bit Mapped Bit Mapped Registers S41 Bit Mapped Bit Mapped Registers S42 45 Reserved S49 81 Reserved S92 0 to 15 dBm 10 Fa...

Page 44: ...5 seconds after going off hook BUSY 7 Modem detected a busy signal NO ANSWER 8 Five seconds of silence was not detected when using the command in the dial command line CONNECT 0600 9 Modem establishe...

Page 45: ...75RX upon establishing a V 23 answer connection when the modem has been instructed to report the DTE speed to the DTE upon connecting CARRIER 300 40 Carrier rate of 300 bps CARRIER 1200 75 44 V 23 bac...

Page 46: ...ours if you have a question about product settings or if you wish to download special software or utilities If the Troubleshooting section Section Three did not resolve your problem you may call our t...

Page 47: ...nce included in the 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 Res...

Page 48: ...ent 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 below...

Page 49: ...st be included with the 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 Pr...

Page 50: ...On Line EXPRESS 50...

Page 51: ...51...

Page 52: ...On Line EXPRESS 52 Manual Part No 9435 Rev 2 0...

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