Wireless communications, Disconnecting | Toshiba Satellite 2450

Wireless communications

Figure 4-13 Connecting the internal modem

CAUTION: Do not pull on the cable or move the computer while the cable is connected.

NOTE: If you use a storage device such as a DVD-ROM drive, CD-RW/DVD-ROM drive or HDD connected to a 16-bit PC card, you might experience the following modem problems:

1.Modem speed is slow or communication is interrupted.

2.Skips may occur in sound.

Disconnecting

To disconnect the internal modem cable, follow the steps below.

1.Pinch the lever on the connector in the telephone jack and pull out the connector.

2.Disconnect the cable from the computer in the same manner.

Wireless communications

The computer’s wireless communication function supports both wireless LAN and Bluetooth devices.

Wireless LAN

The wireless LAN is compatible with other LAN systems based on Direct Sequence Spread Spectrum radio technology that complies with IEEE802.11 wireless LAN standard (Revision A or B) and Turbo Mode. It supports the following features:

PERATINGO

BASICS

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Toshiba Satellite 2450 user manual Wireless communications, Disconnecting, Wireless LAN

Contents

Toshiba Copyright DisclaimerTrademarks FCC notice Declaration of Conformity Information FCC information FCC conditions EU Declaration of Conformity informationContact Vcci Class B Information Modem warning notice Conformity StatementNetwork Compatibility Statement Japan regulations Type of serviceRegion selection Redial If problems arise Telephone company proceduresDisconnection Fax branding Instructions for IC CS-03 certified equipment AT&F AT&W AT%TE=0 ATZ Modem warning notice for Australia Software in addition to a modem Page General conditions Description on Laser specification Page Table of Contents Getting Started Operating BasicsXvi Writing CDs on DVD Multi drive Xvii Power and Power-Up Modes KeyboardXviii HW Setup and Passwords Optional DevicesXix Hardware and system checklist Troubleshooting Glossary Index Appendixes Xxii Preface Manual contents Abbreviations ConventionsIcons Keys Display Key operationMessages Conventions Xxvi General Precautions Stress injury Heat injuryPressure or impact damage PC card overheating Central Processing Unit CPU Performance Disclaimer Introduction Equipment checklistChapter Hardware Power FeaturesDocumentation Processor Disks Features CD-ROM CD-EXTRA Keyboard DisplayPointing device Ports Multimedia Slots Communications Slim Select BaySecurity Software Special features Battery save mode Special features Utilities Options Options CD-RW/DVD-ROM Slim Select Bay options Front with the display closed Grand TourAudio/Video Controlbuttons Wireless Left sideSecurity lock Left side Shows the computer’s right side Right side Back side Back side LAN jack UniversalSerial Bus Under side Underside Toshiba Front with the display open Front with the display open CD/DVD Digital DC in 15V Power System indicators Keyboard indicators Keyboard indicators USB diskette drive CapsLock indicator Slim Select Bay modules IndicatorDVD-ROM drive Slim Select Bay modules DVD-R/-RW drive CD-RW/DVD-ROM drive DVD Multi drive Toshiba Style Bay Bridge Media Adaptor Slim Select Bay HDD adaptor Black Universal AC adaptor Universal AC adaptor Grand Tour Getting Started Setting up your work space General conditions Placement of the computer Seating and posture Setting up your work space Work habits Lighting Connecting the AC adaptor Connecting the universal AC adaptor Opening the display Turning on the power Shut Down mode Boot mode Turning off the powerStarting up for the first time Starting up for the first time Benefits of hibernation Hibernation mode Turning off the power Data save in hibernation modeStarting Hibernation Automatic Hibernation Benefits of standby Standby modeExecuting standby Clickstart, clickTurn Off Computer and clickStand by Restarting the computer Standby limitationsRestarting the computer Follow the on-screen instructions Using the Touch Pad Operating BasicsPointing devices Connecting 3 1/2 diskette drive Using the USB diskette drive Changing Slim Select Bay modules Disconnecting 3 1/2 diskette driveRemoving a module Changing Slim Select Bay modules Removing the Slim Select Bay module Installing a module Using optical media drives Using optical media drivesLoading discs Manual release with the eject hole Lay the CD/DVD, label side up, in the drawer Closing the DVD-ROM drawer Removing discs Writing CDs on CD-RW/DVD-ROM drive Before writing or rewritingWriting CDs on CD-RW/DVD-ROM drive When writing or rewriting Important message Writing CD/DVDs on DVD-R/-RW driveDisclaimer Writing CD/DVDs on DVD-R/-RW drive Writing CD/DVDs on DVD Multi drive Read/write function chart DVD-RWDVD Specifications for Re-recordable Disc for Version Writing CD/DVDs on DVD Multi drive Drag’n Drop CD Video DVD-R/-RW/-RAM Data Verification Operating Basics CD/DVDs Media careDiskettes Media care Region selection Modem Modem Properties menu Setting ConnectingModem Selection Dialing Properties Disconnecting Wireless communicationsWireless LAN Wireless communications Bluetooth wireless technology SecurityWorldwide operation Wireless communication Indicator Wireless communication switchIndicatorstatus Indication Radio links LAN Connecting LAN cable Cleaning the computer Disconnecting LAN cableCleaning the computer Heat dispersal Moving the computer Typewriter keys Keyboard F1 … F12 function keys Soft keys Fn key combinationsEmulating keys on enhanced keyboard Soft keys Fn key combinations Hot keys Soft keys Fn key combinations Display clarity increases with the brightness level Windows special keys Arrow modeKeypad overlay Fn Sticky key Numeric mode Temporarily using normal keyboard overlay on Generating Ascii characters Temporarily using overlay overlay offTemporarily changing modes Generating Ascii characters Keyboard Power conditions Power and Power-Up Modes Battery indicators Power indicators DC in indicator Battery typesPower indicator Battery pack Real Time Clock battery Care and use of the battery pack Safety precautionsCare and use of the battery pack Modes Care and use of the battery pack Charging time hours Battery type Power on Power off ProceduresCharging the batteries Time Battery charging notice Monitoring battery capacity Maximizing battery operating time Extending battery life Retaining data with power off Removing the battery pack Replacing the battery pack Replacing the battery pack Installing the battery pack Securing the battery cover Starting the computer by password Panel power off Power-up modesPower-up modes System Auto Off Modes HW Setup HW Setup and PasswordsAccessing HW Setup HW Setup window Power On Display Boot Priority Enter HW Setup Network Boot Protocol USB General Password Password was registered Key FD Device Config Supervisor password Supervisor passwordParallel/Printer Passwords Optional Devices Power devicesCards/memory Peripheral devices Inserting a PC card PC cards PC cards Removing a PC card Inserting an SD card SD cards Removing an SD card SD card careSD cards Memory expansion Installing memory module Removing the keyboard brace Memory expansion Removing the keyboard Raising the insulation sheet 11 Installing a memory module Removing memory module 13 Removing the memory module Toshiba Style Bay Bridge media adaptor Before installing InsertingToshiba Style Bay Bridge media adaptor 16 Secureing a screw Removing Write protection SmartMedia 18 Inserting a SmartMedia Installing a Memory Stick Memory StickRemoving a Memory Stick Installing a Compact Flash module Compact FlashRemoving a Compact Flash memory module USB FDD kit Battery pack BlackBridge media care Slim Select Bay HDD adaptor Black 22 Opening the lid Slim Select Bay HDD adaptor Black 24 Closing the lid External monitor Using the TV button Changing the resolutionClick start and click Control Panel 25 Display properties Link IEEE1394 Link IEEE1394 Precautions Point to i.LINK IEEE1394 device and click Security lock 28 Security lock Security lock Troubleshooting Problem solving processPreliminary checklist Analyzing the problem Hardware and system checklist Hardware and system checklistSystem start-up Self test Power Overheating power down AC powerProblem Procedure Slim Select Bay Battery LCD panel Password Hard disk drive DVD-ROM CD-RW/DVD-ROM drive Hardware and system checklist DVD-R/-RW drive DVD Multi drive EXTRA,CD-GAudioCDonly SD card Diskette drive Infrared port PC card Pointing device Touch PadClick the Pointer Options tab USB mouse ProblemProcedure Memory expansion USB Monitor Sound system Modem Link IEEE1394 No Carrier LAN Real Time Clock Bluetooth Toshiba support Where to writeBefore you call Toshiba support InEurope Power Requirements SpecificationsAppendix a Environmental Requirements Communicationspecifications Display Controller and Modes Display controllerAppendix B Video modes VGA Video modes Appendix B Video modes XGA Appendix B Video modes XGA Video modes Super XGA+ Video modes Super XGA+ Appendix B Appendix B Repeat last command AT CommandsAppendix C +++ Escape sequence Answer command Bn Communication standard settingDn Dial Hn Hook control En Echo commandRequest ID information Appendix C Ln Monitor speaker volume Mn Monitor speaker modeNn Modulation handshake On Return on-line to data mode Select pulse dialingQn Result code control Select tone dialing Vn DCE response formatXn Result code selection, call progress monitoring Busy tone detect Dial tone detectZn Recall stored profile Cn Data Carrier Detect DCD control Dn DTR control Load factory settings Gn V.22bis guard tone control Tn Self-test commandsKn Local flow control selection Pn Select Pulse Dial Make/Break Ratio WW Display Current Configuration Store current configurationZn=x Store telephone number \Qn Local flow control selection \Nn Error control mode selection \Vn Protocol result code View numbers in blacklistCn Data compression control Register values RegistersAppendix D ATSn? S0 Auto answer ring number S3 Command line termination character user definedS1 Ring counter S2 AT escape character user defined S4 Response formatting character user defined S5 Command line editing character user definedS6 Wait before dialing Appendix D S8 Comma pause time S7 Connection completion time-outS11 Dtmf dialing speed S12 Escape guard time S37 Dial line rate Result Code Numeric Description AT command set result codes Delayed Appendix D Mode Appendix EFunction Transmissionspeed Table E-1 Result codes for a V.90 connection Appendix E AT Command Appendix E Installing the modem board and jack Installing the internal modemInternal Modem Guide Appendix F Removing the internal modem Card Specifications Wireless LANRadio Characteristics Appendix G Wireless Ieee 802.11 Channels Sets Revision B Supported Frequency Sub-bands2457 Appendix G Wireless Ieee 802.11 Channels Sets Revision a Wireless Channels Sets Turbo Mode Appendix H AC Power Cord Connectors Australia Europe USA and Canada Appendix Parts Numbers Configurations Glossary AbbreviationsGlossary-1 Glossary-2 Adaptor Glossary-3 Cache memory Glossary-4 Capacity Glossary-5 Dielete Glossary-6 Device driver Glossary-7 Hard disk drive HDD Glossary-8 Hardware Glossary-9 Menu Glossary-10 Microprocessor Glossary-11 Prompt Glossary-12 Radio frequency interference RFI shield Glossary-13 Write protection Glossary-14 Glossary Index IndexIndex-1 Index-2 Index-3 Index-4 Index-5 Index-6