Lenovo 7390, 7397, 7392, 7391, 7398, 7396 manual Appendix A. Manual modem commands, Basic AT commands

Page 77

Appendix A. Manual modem commands

This appendix provides commands for manually programming your modem.

Commands are accepted by the modem while it is in Command Mode. Your modem is automatically in Command Mode until you dial a number and establish a connection. Commands can be sent to your modem from a PC running communication software or any other terminal devices.

All commands sent to the modem must begin with AT and end with ENTER. All commands can be typed in either upper or lower case, but not mixed. To make the command line more readable, spaces can be inserted between commands. If you omit a parameter from a command that requires one, it is just like specifying a parameter of 0.

Example:

ATH [ENTER]

Note: In the following tables, all default settings are printed in bold text.

Basic AT commands

Command

 

Function

 

 

 

A

 

Manually answer incoming call.

 

 

 

A/

 

Repeat last command executed. Do not

 

 

precede A/ with AT or follow with ENTER.

 

 

 

D_

 

0 - 9, A-D, # and *

 

 

 

 

L

last number redial

 

 

 

 

P

pulse dialing

 

 

 

 

 

Note: Pulse dialing is not supported for

 

 

Australia, New Zealand, Norway, and South

 

 

Africa.

 

 

 

 

T

touch-tone dialing

 

 

 

 

W

wait for second dial tone

 

 

 

 

,

pause

 

 

 

 

@

wait for five seconds of silence

 

 

 

 

!

flash

 

 

 

 

;

return to Command Mode after dialing

 

 

 

DS=n

 

Dial one of the four telephone numbers

 

 

(n=0-3) stored in the modem non-volatile

 

 

memory.

 

 

 

E_

E0

Commands are not echoed

 

 

 

 

E1

Commands are echoed

 

 

 

+++

 

Escape Characters - Switch from Data Mode

 

 

to Command Mode (T.I.E.S. Command)

 

 

 

H_

H0

Force modem on-hook (hang up)

 

 

 

© Lenovo 2005, 2007. Portions © IBM Corp. 2005.

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Contents User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Index Appendix A. Manual modem Commands Conditions that require immediate action Important safety informationService and upgrades General safety guidelinesStatic electricity prevention Power cords and power adaptersViii User Guide Plugs and outlets Voltage-selection switchExtension cords and related devices Heat and product ventilation External devicesBatteries Operating environment To connect To disconnect Electrical current safety informationLithium battery notice Laser compliance statement Modem safety informationData safety Power supply statementCleaning and maintenance Additional safety informationIntroduction Xvi User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerUser Guide Setting up your computer User Guide 1394 Completing important tasks Turning on powerFinishing the software installation Updating your operating system Installing other operating systemsUpdating your antivirus software Shutting down the computerUser Guide Features Installing optionsMemory Input/output features Available options Dimensions SpecificationsWeight EnvironmentHandling static-sensitive devices Supported operating positionsTools required Installing external options Locating connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Locating components Accessing system board components Installing options Identifying parts on the system board Installing options Installing memory What to do next Installing PCI adaptersInstalling security features Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Creating and using the Product Recovery disc Recovering softwarePerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the following Creating and using a Recovery Repair disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password User PasswordSetting, changing, and deleting a password Using Security Profile by DeviceChanging the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsUpdating system programs Using system programsUpdating flashing Bios from a diskette User Guide Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs PC-Doctor for DOS PC-Doctor for WindowsCreating diagnostic diskettes Optical mouse Cleaning the mousePC-Doctor for Windows PE Non-optical mouse Troubleshooting and diagnostics User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo CareSafety and warranty Access HelpCalling for service Help and serviceUsing the documentation and diagnostic programs Purchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex 14, 24, 25 Page Part Number
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