IBM PRO/100 SP manual Troubleshooting modem, Following table describes troubleshooting the modem

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Troubleshooting modem

The following table describes troubleshooting the modem.

Problem	Action

Your modem does not work	Check the following:
properly after you install the	v The cable is connected to the modem card correctly.
device driver.	v You selected Intel PRO/100 SP Mobile Combo
	v You selected Intel PRO/100 SP Mobile Combo
		Adapter application setting.
	v You are using the driver that is on the device drivers
		CD shipped with the combo card.
	v	For Windows 95, Windows 98, or Windows 2000, the
		trouble indicator (an X or ! symbol) appears on the
		modem icon in the ‘‘Device Manager.’’
	v	For Windows NT 4.0, the Windows NT 4.0 Event
		Viewer shows an error message.
		If these items are OK, do the following:
		1.	Click Start.
		2.	Move the cursor to Settings, and click Control
			Panel.
		3.	Double-click Modem.
		4.	Click Properties.
		5.	Click the Connection tab.
		6.	Clear the Wait for dial tone before dialing check
			box.
		7.	Click Advanced.
		8.	Clear the Use error control check box.
		9.	Select the Use flow control check box, and make
			sure that Hardware (RTS/CTS) is selected.
		10.	Click the OK button to return to the Modem
			Properties window.
		11. Click Dialing Properties, and click either Tone
			dialing or Pulse dialing. Most telephones today
			use tone dialing.
		12.	Close all windows opened in this process.

A-2Intel® PRO/100 SP Mobile Combo Adapter: User’s Guide

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Contents Intel PRO/100 SP Mobile Combo Adapter Page Contents Iv Intel PRO/100 SP Mobile Combo Adapter User’s Guide Safety Read first Vi Intel PRO/100 SP Mobile Combo Adapter User’s Guide Online user’s guide Part 1 Installation and user’s guideAbout this book Registering your optionViii Intel PRO/100 SP Mobile Combo Adapter User’s Guide System requirements Part 1 Installation and user’s guideInstalling Ethernet and modem device drivers Attach the network and modem cablesInstalling the Ethernet and Modem device drivers in Windows Click OK on Do you want to install the modem driver?Select The Updated Driver Recommended and click Next Click Start→RunClick Do not install a driver For Windows 95 OSR0 or OSR1Click Other Location Click CancelFor Windows 95 OSR2.1 or OSR2.5 6Intel PRO/100 SP Mobile Combo Adapter User’s Guide Performing an Unattended Install Using the modem abroadSetting up the dialing properties Additional setup and configurationControl Panel, double-clickNetwork Advanced featuresAdvanced adapter features 802.1p/802/1Q TaggingAdaptive Inter-Frame Spacing Enable PMEDefault Range 1 Adaptive Technology Adaptive Transmit ThresholdLink Speed & Duplex Locally Administered Address LAACoalesce Buffers PCI Bus EfficiencyTransmit Control Blocks Smart Power DownReceive Buffers Intel Priority Packet An OverviewIntel High Priority Queue Virtual LAN How to Join a Vlan From Windows NTWake on LAN Double-clickNetwork in Control PanelProduct Contents Adaptive Link Response Configuration SetupPacket Protect 16Intel PRO/100 SP Mobile Combo Adapter User’s Guide Appendix A. Troubleshooting Troubleshooting network adapterTroubleshooting modem Following table describes troubleshooting the modemAppendix B. Modem function General Modem Hardware FunctionAT command summary Command DescriptionRegister Default Description AT commands reference S-Registers1 S2 AT Escape Character user defined S0 Auto Answer Ring NumberS1 Ring Counter S4 Response Formatting Character user defined S3 Command Line Termination Character user definedS5 Command Line Editing Character user defined S8 Comma Dial Modifier Time S6 Wait Before DialingS7 Connection Completion Time-Out S12 Escape Guard Time S10 Automatic Disconnect DelayS11 Dtmf Dialing Speed S14 General Bit Mapped Options StatusS21 V.24/General Bit Mapped Options Status S22 Results Bit Mapped Options StatusS30 Inactivity Timer S24 Timer to Control Sleep ModeS28 V.34 Modulation Enable/Disable S33 Synthetic Ring Frequency S32 Synthetic Ring VolumeS37 Dial Line Rate default S35 Data Calling ToneS38 K56flex Downstream Rate RBS Links Rate Hit kbit/s S48 Lapm Error Control and Feature Negotiation default S42 Auto Rate default 1, rangeS43 Auto Mode default 1, range S108 Network Codec Type S89 Timer to Control Sleep ModeS90 Read-only Local Phone 16Intel PRO/100 SP Mobile Combo Adapter User’s Guide LAN specifications Appendix C. SpecificationsAdapter specifications 2Intel PRO/100 SP Mobile Combo Adapter User’s Guide Telephone technical support Appendix D. Help and service informationOnline technical support Support 24 hours a day, 7 days a week IBM Warranty for Machines Appendix E. Product warranty and noticesWarranty Statements Warranty Service Extent of WarrantyItems Not Covered by Warranty Appendix E. Product warranty and notices Production Status Limitation of LiabilityIBM Warranty for Machines Warranties of ANY Kind Production Status Part 2 Worldwide Country-Unique Terms Asia PacificEUROPE, Middle EAST, Africa Emea Following terms apply to all Emea countriesFollowing terms apply to the country specified Appendix E. Product warranty and notices North America Appendix E. Product warranty and notices Trademarks IBMDeutsche EMV-Direktive electromagnetische Verträglichkeit Industry Canada Class B emission compliance statementAvis de conformite a la reglementation d’Industrie Canada European Union emission directiveUnion Europea Normativa EMC Union Européenne Directive Conformité électromagnétiqueUnione Europea Directiva EMC Conformidad électromagnética Appendix E. Product warranty and notices Canadian Department of Communications certification label Appendix E. Product warranty and notices 1995/5/EC Declaration of ConformityName/Machine Type Intel PRO/100 SP Mobile Combo Adapter Annex II of the DirectiveNew Zealand Compliance Statement Network Compatibility Declaration22Intel PRO/100 SP Mobile Combo Adapter User’s Guide Appendix F. User notices 2Intel PRO/100 SP Mobile Combo Adapter User’s Guide Page Part Number 06P3814 1P P/N 06P3814