3Com PC Card - Manual

2 C HAPTER 1: I NSTALLING AND C ONNECTING THE C ARD Inserting the LAN+Modem Card To install the card, slide it into the PC Card slot as shown below. The power to the computer can be on or off. Without forcing the card, push until it seats firmly. Figure 2 Inserting the LAN+Modem Card CAUTION : Forci...

Connecting to a Network 3 Connecting to a Network Before connecting the LAN+Modem card to the network, be sure that you have the cable appropriate for a network connection at your site. 1 Attach the network connector at the end of the network cable to the LAN port (See “Identifying the LAN+Modem Car...

4 C HAPTER 1: I NSTALLING AND C ONNECTING THE C ARD LAN Connector LEDs The LEDs on the network connector display the status of your network link. Figure 4 LEDS You can use the LEDs to verify link integrity, but the LAN+Modem card must be connected to the network and the network drivers must be insta...

Connecting to a Telephone Line 5 Connecting to a Telephone Line To connect the LAN+Modem card to a telephone line, attach the modem adapter to the modem port (See “Identifying the LAN+Modem Card Ports” on page 1). The line port on the modem cable connector is labeled with an RJ-11 (modular telephone...

6 C HAPTER 1: I NSTALLING AND C ONNECTING THE C ARD Disconnecting the Cables The LAN and modem cables are designed to lock in place when you connect them to the card. To release the cable from the card, squeeze the release clips located on the sides of the connector . Figure 6 Disconnecting Cables f...

2 W INDOWS 95 About Windows 95 Prompts During setup, Windows 95 may prompt for an Installation Disk or the Windows CD several times. Be sure that the path or device you supply to this prompt is correct. Here are some guidelines: ■ If Windows 95 prompts for a disk from the manufacturer, put the LAN+M...

8 C HAPTER 2: W INDOWS 95 Installing the Network Interface ■ Setup Procedure ■ Installing Network Software Components ■ Confirming Installation Setup Procedure Before installing the network interface, insert the LAN+Modem card and connect to the network as described in “Installing and Connecting the...

Installing the Network Interface 9 Before installing network components, consult with your network manager or MIS representative for the options you require for your network. 1 Open the Network window by double-clicking the Network icon in the Control Panel. 2 Click Add to add new or additional netw...

10 C HAPTER 2: W INDOWS 95 4 When all of these components have been added, modify their properties to comply with the network requirements for your site. The parameters you will need to add or customize for network operation under Windows 95 can be found under the Properties tab for the network comp...

Uninstalling the Card 11 Confirming the Installation To confirm modem installation. 1 Double-click the My Computer icon. 2 Double-click the Control Panel icon. 3 Double-click the System icon. The System Properties box details your system setup. 4 Click the Device Manager tab. A list of devices appea...

12 C HAPTER 2: W INDOWS 95 Using the Device Manager to remove the LAN portion of the card from the Device Manager will uninstall the card, software and documentation. Be sure to remove both the LAN interface and the modem. Troubleshooting Symptom Solution Basic Troubleshooting, applicable for all pr...

Updating Windows 95 Drivers 13 Updating Windows 95 Drivers Use the following procedure to update the drivers on your system. Updating LAN Drivers 1 From the Control Panel, open the System application. 2 Select the Device Manager tab. 3 Double-click Network Adapters . 4 Double-click 3Com 10-100 LAN +...

16 C HAPTER 3: W INDOWS 98 Upon rebooting, Windows 98 automatically detects the modem interface of the card. See “Installing the Modem Interface” on page 17. Installing Network Software Components You will need to install four types of network components: Client, Adapter, Protocol, and Service. Thes...

Installing the Modem Interface 17 3 As these components are added, you may be asked to provide: ■ NetWare or Microsoft client software on hard disk, floppy diskettes, or CD-ROM ■ Windows 98 system installation files on hard disk, floppy diskettes, or CD-ROM ■ The Windows 95/98 Installation Disk that...

Uninstalling the Card 19 Uninstalling the Card If the card installation is unsuccessful for any reason, your best course may be to remove the card and its software and repeat the installation procedures with a fresh installation of the operating system. A fresh install will also solve problems that ...

20 C HAPTER 3: W INDOWS 98 Troubleshooting Symptom Solution Basic Troubleshooting, applicable for all problem situations Inspect all cables and connections. Check whether your card if fully inserted into the slot Verify whether you have the latest BIOS for your system. If not, check the Web site for...

5 U SING THE M ODEM Hints for Good Connections Use the following information when you set up your communications software to help your modem connect at the highest possible speed: ■ If you have call waiting, disable it. Call waiting generates a tone on the line that causes results similar to static....

26 C HAPTER 5: U SING THE M ODEM For most applications, you can use the factory-default setting for the modem initialization string. To reset your modem to the factory defaults, use the AT command string AT&F . For more information, see “S Registers” on page 32. Making a Call with HyperTerminal ...

Additional Modem Features 27 ■ Clear your voice mail. ■ Press the dial or line button on your telephone. ■ Access an outside line before dialing. ■ Reconfigure the dialing options for your communications package. Most packages have a Wait for Dial Tone Before Dialing option that you can enable or di...

28 C HAPTER 5: U SING THE M ODEM Attaching this information to faxes is known as fax branding . Refer to your fax communication software documentation for details on how to comply with the fax-branding requirement. AT Commands AT commands are set at the factory (factory settings are called defaults ...

AT Commands 29 E: Echo Commands Defines whether characters are echoed back from the modem to the DTE when in command mode. H: Hook Switch Control Controls the modem’s hook switch relay. I: Interrogate Modem Status , Causes a delay, determined by S8, before the modem proceeds with the next command or...

30 C HAPTER 5: U SING THE M ODEM N: Handshaking Selects whether a connection will be forced to a specific speed. O: Return to On-Line State Applicable when a physical connection with a remote unit exists and the modem is in the on-line command state. Q: Return Result Codes Defines whether the modem ...

AT Commands 31 W: Connection Result Codes Defines the type of (extended) negotiation result codes to return. X: Result Code Set/Call Progress Z: Recall User Configuration W0 Negotiation codes not reported. W1 Negotiation codes reported in 3 line format (Hayes format). W2 Negotiation codes reported i...

32 C HAPTER 5: U SING THE M ODEM S Registers AT command settings are stored in S Registers. S-register values can be changed by AT command or by entering the new value of the S Register, preceded by AT. The command ATSn=v changes register n by setting its value to v . For example, to change from man...

S Registers 33 Common Registers S0 Ring To Answer On. 0 = No auto answer. Any other = Modem answers after this number of rings. Default = 0. Storable. S1 Ring Count. This register is reset to 0 if 8 seconds elapse since receipt of the previous ring. Default = 0. Nonstorable. S2 Escape Sequence Chara...

S Registers 35 S20 Bit-mapped. storable. Bits 7-0 set the modem DTE speed. Bit value 00000000 00000001 00000010 00000011 00000100 00000101 00000110 00000111 00001000 00001001 00001010 00001011 00001100 00001101 00001110 00001111 00010000 00010001 00010010 00010011 00010100 00010101 00010110 00010111...

36 C HAPTER 5: U SING THE M ODEM S21 Bit-mapped. Storable. Bit 0: Telephone Jack (&J CMD) ■ 0 = RJ11 ■ 1 = RJ12 Bit 1. IF DRS Follows DCD: ■ 0 = DSR as per bit 6. ■ 1 = DSR follows DCD all the time. Bit 2. CTS control (&R CMD) ■ 0 = CTS follows RTS ■ 1 = CTS always on Bit 4,3. DTR control (&...

40 C HAPTER 5: U SING THE M ODEM S29 Bit-mapped. Default = 0 for 4 seconds. Stored Bits 5-0. V.42 acknowledgment timer (T401)(%W CMD). These six bits are interpreted as an integer that specifies the number of 100 millisecond increments which are added to the base value of four seconds in order to ar...

46 C HAPTER 5: U SING THE M ODEM Analog Modem Registers S52 Bit-mapped. Storable. Bit 7-6. V.34 Rate Selection ■ 0 = Low (conservative) ■ 2 = Aggressive ■ 1 = Medium Bit 5. V.34 precoding ■ 0 = Disable ■ 1 = Enable Bit 4. V.34 shaping ■ 0 = Disable ■ 1 = Enable Bit 3. V.34 pre-emphasis filter ■ 0 = ...

48 C HAPTER 5: U SING THE M ODEM S55 Bit-mapped (V.8 Options). Bit 7,6,5. Not used Bit 4. The local side is a cellular connection. ■ 0 = Do not indicate ■ 1 = Indicate Bit 3. Indicates if V.42 is enabled. ■ 0 = Do not indicate ■ 1 = Indicate Bit 2. Enable transmission of V.8 GSTN octet. ■ 0 = Disabl...

52 C HAPTER 5: U SING THE M ODEM Modem Troubleshooting Symptom Solution COM Port Conflict Indicates a conflict between two drivers claiming the same IRQs. Change one of the IRQs. Remember that the modem interface of the LAN+Modem card is a Winmodem and uses COM5 or higher. Cannot hear modem or speak...

6 D IAGNOSTICS LAN Diagnostics The LAN Diagnostics utility includes a self-test program, echo test procedures, and a Card Properties viewer. 1 Click the Windows Start menu. 2 Select Programs . 3 Select 3Com PC Card Utilities . 4 Select LAN Diagnostics . A separate Help utility is available for each ...

D ELL T ECHNICAL S UPPORT Internet Site HTTP://WWW.DELL.COM FTP Site FTP.DELL.COM Bulletin Board System The Dell Bulletin Board System (BBS) lets you read and send electronic mail, upload and download files, and exchange information on line with other callers. The Dell BBS supports a modem speed of ...

W ARRANTY AND R EGULATORY I NFORMATION Dell L IMITED W ARRANTY L IMITED O NE -Y EAR W ARRANTY (U.S. O NLY ) Dell Computer Corporation ("Dell") manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry-standard practices. Dell w...

FCC C LASS B C ERTIFICATION S TATEMENT 3Com CorporationModel No: 3CCFEM656Made in U.S.A. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1 This device may not cause harmful interference, and 2 This device must accept any interference received...