Lenovo 4157 Command Function Modem ignores the DTR signal, DTR toggle, Guard tone disabled, +Ms?

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Command

 

Function

 

 

 

&D_

&D0

Modem ignores the DTR signal

 

 

 

 

&D1

Modem returns to Command Mode after DTR toggle

 

 

 

 

&D2

Modem hangs up, returns to the Command Mode after

 

 

DTR toggle

 

 

 

 

&D3

Resets modem after DTR toggle

 

 

 

&F_

&F

Recall factory default configuration

 

 

 

&G_

&G0

Guard tone disabled

 

 

 

 

&G1

Guard tone disabled

 

 

 

 

&G2

1800 Hz guard tone

 

 

 

&K_

&K0

Disable flow control

 

 

 

 

&K3

Enable RTS/CTS hardware flow control

 

 

 

 

&K4

Enable XON/XOFF software flow control

 

 

 

 

&K5

Enable transparent XON/XOFF flow control

 

 

 

 

&K6

Enable both RTS/CTS and XON/XOFF flow control

 

 

 

&M_

&M0

Asynchronous operation

 

 

 

&P_

&P0

US setting for off-hook-to-on-hook ratio

 

 

 

 

&P1

UK and Hong Kong off-hook-to-on-hook ratio

 

 

 

 

&P2

Same as &P0 setting but at 20 pulses per minute

 

 

 

 

&P3

Same as &P1 setting but at 20 pulses per minute

 

 

 

&R_

&R0

Reserved

 

 

 

 

&R1

CTS operates per flow control requirements

 

 

 

&S_

&S0

Force DSR Signal High (ON)

 

 

 

 

&S1

DSR off in command mode, on in online mode

 

 

 

&T_

&T0

Ends test in progress

 

 

 

 

&T1

Perform Local Analog Loopback Test

 

 

 

 

&T3

Perform Local Digital Loopback Test

 

 

 

 

&T4

Grant Remote Digital Loopback Test request by remote

 

 

modem

 

 

 

 

&T5

Deny Remote Digital Loopback Test request

 

 

 

 

&T6

Perform a Remote Digital Loopback Test

 

 

 

 

&T7

Perform a Remote Digital Loopback Test and Self-Test

 

 

 

 

&T8

Perform Local Analog Loopback Test and Self-Test

 

 

 

&V

&V0

Displays Active and Stored Profiles

 

 

 

 

&V1

Display Last Connection Statistics

 

 

 

&W_

&W0

Stores the active profile as Profile 0

 

 

 

 

&W1

Stores the active profile as Profile 1

 

 

 

%E_

%E0

Disable auto-retrain

 

 

 

 

%E1

Enable auto-retrain

 

 

 

+MS?

 

Displays the current Select Modulation settings

 

 

 

Appendix A. Manual modem commands 45

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Contents ThinkStation User Guide Sixth Edition June Copyright Lenovo 2009 Contents Appendix B. System memory speed Appendix C. Notices Iii IntroductionIv ThinkStation User Guide Important safety information ThinkStation User Guide Arranging your workspace ComfortGlare and lighting Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerThinkStation User Guide Setting up your computer If you have powered speakers with an ac power adapter Turning on computer power Updating your operating system Finishing the software installationInstalling other operating systems Completing important tasksUpdating your antivirus software Installing external optionsInstalling the computer on a rack shelf FeaturesVideo subsystem System management featuresInput/Output I/O features Internal drivesOperating system, preinstalled PowerSecurity features Software programs, preinstalledSpecifications Software provided by Lenovo Lenovo Solution CenterSoftware overview Software provided with your Windows operating systemAdobe Reader PC-Doctor for Rescue and RecoverySimpleTap Lenovo ThinkVantage ToolboxUsing passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsEnabling or disabling a device User PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a temporary startup device Advanced settingsExiting from the Setup Utility program Selecting a startup deviceThinkStation User Guide Select Devices IDE Drives Setup and press Enter Installing hard disk drives and configuring RAIDInstalling Sata hard disk drives and configuring RAID Installing Sata hard disk drivesInstalling SAS hard disk drives Creating RAID volumesDeleting RAID volumes Installing SAS hard disk drives and configuring RAIDFrom the RAID Config menu, select Create array Entering the Marvell Bios Setup to configure SAS RAIDConfiguring the Marvell Bios Setup to delete an array From the RAID Config menu, select Spare ManagementFrom the RAID Config menu, select Delete array Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Downloads and drivers Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs Troubleshooting and diagnostics PC-Doctor for DOS Cleaning an optical mouseTroubleshooting and diagnostics ThinkStation User Guide Using recovery media Recovery informationCreating and using recovery media Creating recovery mediaPerforming a backup operation Performing backup and recovery operationsPerforming a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Creating and using rescue media Using rescue media Installing or reinstalling device driversCreating rescue media Solving recovery problems Setting a rescue device in the startup sequenceLenovo ThinkVantage Tools Getting information, help, and serviceInformation resources Online Books folderCalling for service Safety and WarrantyHelp and service Using the documentation and diagnostic programsUsing other services Purchasing additional services Basic AT commands Appendix A. Manual modem commandsExtended AT commands Enable RTS/CTS hardware flow control Command Function Modem ignores the DTR signalModem hangs up, returns to the Command Mode after Guard tone disabledFax Class 1 commands MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Voice commands Appendix B. System memory speed Dimm type and speed PC3-8500U Appendix C. Notices European conformance CE mark Trademarks Television output noticeAppendix D. Weee and recycling information Important Weee InformationRecycling information Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union ThinkStation User Guide China RoHS Ukraine RoHS Turkish RoHS India RoHS Index Lenovo Solution Center Flashing Bios Antivirus software ThinkStation User Guide Page 1P53Y4306
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