Lenovo 9157, 9136, 9127, 9134, 9129, 9158, 9191 Appendix A. Manual modem commands, Basic AT commands

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Appendix A. Manual modem commands

The following section lists 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]

Basic AT commands

In the following listings, all default settings are printed in bold text.

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 ThinkCentre User Guide Page ThinkCentre User Guide Page Contents Iv User Guide Introduction Vi User Guide Important safety information User Guide Arranging your workspace ComfortGlare and lighting Electrical outlets and cable lengths Air circulationInstalling the vertical stand Setting up your computerConnecting your computer Setting up your computer Phone Line Setting up your computer 1394 Turning on computer power Finishing the software installationCompleting important tasks Updating your antivirus software Installing other operating systemsFeatures Updating your operating systemMicroprocessor Expansion Environment SpecificationsHeight 108 mm 4.25 Width 331 mm 13.03 Depth 412 mm 16.22 Software overview Software provided with your Windows operating systemSoftware provided by Lenovo Adobe Acrobat Reader PC Doctor for Winpe and PC Doctor for WindowsUsing passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsUsing Security Profile by Device User PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a startup device Selecting a temporary startup deviceSelecting or changing the startup device sequence Exiting from the Setup Utility program Using system programs Updating flashing Bios from a CD-ROM or disketteUpdating system programs Click Continue Click Downloads and drivers Updating flashing Bios from your operating systemBasic troubleshooting Troubleshooting and diagnosticsDiagnostic programs PC-Doctor for DOS PC-Doctor for WindowsRunning diagnostics from the CD or diskettes Non-optical mouse Cleaning the mousePC-Doctor for Windows PE Optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage 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 ThinkVantage Productivity Center Getting information, help, and serviceInformation resources Online Books folderAccess Help Safety and WarrantyHelp and service Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsLow speaker volume Enable RTS/CTS hardware flow control Extended AT commands+MS=? MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex Page Page User Guide Page Part Number 43C4865

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