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OfficeConnect

56K LAN Modem

3C886

User Guide

Part No. 984/000027-2
Published March 1999

Summary of Contents for OfficeConnect 3C8861

Page 1: ...http www 3com com OfficeConnect 56K LAN Modem 3C886 User Guide Part No 984 000027 2 Published March 1999...

Page 2: ...s as set forth in subparagraph c 1 ii for Restricted Rights in Technical Data and Computer Software Clause at 48 C F R 52 227 7013 3Com Corporation 5400 Bayfront Plaza Santa Clara California 95052 814...

Page 3: ...manufactured by us are safe and without risk provided they are installed used and maintained in good working order in accordance with our instructions and recommendations If any of the following condi...

Page 4: ...adequate air circulation Install the unit in a clean area that is free from dust or extreme temperatures Allow a clearance gap of at least a 6 inches 150 mm from the rear panel of the unit to allow fo...

Page 5: ...al Networking with Access to a Remote Office 14 Features 15 Ease of Installation and Use 15 High Performance 15 Connectivity 15 Routing 15 Bandwidth Management 15 Remote Management 15 Protocols 16 Err...

Page 6: ...ecting to a 10BASE T Ethernet Port 30 Connecting to Another Ethernet Hub 31 Before You Begin 31 Installing Analog Equipment 32 Installing the Power Cable 32 4 SETTING UP TCP IP FOR WINDOWS AND MACINTO...

Page 7: ...67 Name 67 IP Address and Subnet Mask 67 Local Domain Name 68 Enable DHCP Server 68 Enable NetBIOS Filtering 68 Configuring the LAN Parameters 68 Configuring Modem Control Parameters 69 Understanding...

Page 8: ...ng the Script Configuration Page 81 Creating a Connection Script 82 Connection Script Command Syntax 82 Using the Configuration Buttons 82 Additional Configuration Buttons 84 8 TROUBLESHOOTING AND MAI...

Page 9: ...ER B USING THE CUSTOM WEB BROWSER C FACTORY DEFAULTS D SPECIFICATIONS General Specifications 105 Year 2000 Compliance 105 GLOSSARY 3COM CORPORATION LIMITED WARRANTY FCC CLASS B STATEMENT FCC DECLARATI...

Page 10: ......

Page 11: ...of the 56K LAN Modem s key functionality Chapter 2 A description of the 56K LAN Modem s hardware components Chapter 3 Instructions on setting up TCP IP Chapter 4 Instructions for basic configuration...

Page 12: ...bbreviate commands by entering only the uppercase letters and the appropriate value Commands are not case sensitive The words enter and type When you see the word enter in this guide you must type som...

Page 13: ...to be the practical limit for speed over standard analog phone lines Now the V 90 56K ITU standard provides download speeds of up to 56K 1 And your 56K LAN Modem is software upgradable allowing easy...

Page 14: ...ntinuing to network locally as shown in Figure 2 Figure 2 Local Networking with Access to a Remote Office LAN OfficeConnect 56K LAN modem Public telephone network Internet Intranet or online service A...

Page 15: ...ing an external analog device Routing IP Routing Dynamic or static IP addresses supplied by your service provider WAN side Dynamic Host Configuration Protocol DHCP server functionality on the LAN whic...

Page 16: ...CP RFC 1332 Network Address Translation NAT between LAN and WAN RFC 1631 Point to Point Tunneling Protocol PPTP Error Control and Data Compression ITU T V 42 ITU T V 42bis MNP 2 5 Modulation Schemes V...

Page 17: ...our 56K LAN Modem supports applications that use the User Datagram Protocol UDP and the Transmission Control Protocol TCP This protocol is used primarily by Internet games Look for the latest list of...

Page 18: ...18 CHAPTER 1 INTRODUCTION...

Page 19: ...f the available 64K network bandwidth Upstream data typically less speed sensitive travels at the standard V 34 rate Further information is available in Appendix A of this User Guide or visit the 56K...

Page 20: ...mple if only one computer has a Web browser other LAN users may share the browser for accessing the Internet Note that speed will likely be reduced when sharing applications Refer to your operating sy...

Page 21: ...on If you desire you may also restrict access to certain users Note that speed may be affected with multiple users downloading simultaneously Figure 6 Shared Connection to a Remote Site Your 56K LAN M...

Page 22: ...computer you simply launch your Web browser or whichever networking application you like When the 56K LAN Modem receives the information packet requesting access to the WAN it must determine which co...

Page 23: ...PX and NetBEUI can be supported transparently through the tunnel While the LAN Modem supports PPTP it does not play an active role in creating or terminating a tunnel Figure 8 Connection to an Remote...

Page 24: ...erating systems This software should reside on all workstations that wish to create a tunnel to the tunnel server Follow instructions provided for installation and set up For Windows Dial Up Networkin...

Page 25: ...to have access to the remote private LAN will need to create its own tunnel Refer to http www remoteaccess 3com com support docs lanmodem for more information For specific instructions on how to confi...

Page 26: ...26 CHAPTER 2 56K LAN MODEM FUNCTIONALITY DESCRIPTION...

Page 27: ...tandards in Canada For a PC a 386 or higher processor is recommended and a 10BASE T Ethernet card is required For an Apple Macintosh computer system 7 6 or later operating system and Open Transport in...

Page 28: ...the reset button Off indicates the unit has passed the diagnostic test and is working properly Flashes if one or more of the diagnostics have failed or after the unit is placed in firmware download mo...

Page 29: ...ore You Begin Before you begin you will need the following in addition to the 56K LAN Modem RJ 11 6 pin to RJ 11 6 pin telephone cable which was provided in your modem package Coll Amber Ethernet Coll...

Page 30: ...led Line on the 56K LAN Modem s back panel as shown in Figure 11 Figure 11 Analog Cable Connection 2 Connect the other end of the RJ 11 analog cable to a POTS analog wall jack Connecting to a 10BASE T...

Page 31: ...n MDI X switch you must use a crossover cable 1 Insert one end of the 10BASE T Ethernet cable into one of the four LAN ports on the back of the LAN Modem as shown in Figure 13 Figure 13 10BASE T Hub t...

Page 32: ...evice 1 Insert one end of an RJ 11 cable into the port labeled Phone on the back of the 56K LAN Modem as shown in Figure 14 Figure 14 Analog Equipment Connection 2 Insert the other end of the RJ 11 ca...

Page 33: ...s the unit undergoes a power up self test diagnostic Once completed only the PWR LED and LAN port LED remain lit This completes the 56K LAN Modem installation If you do not have TCP IP installed and s...

Page 34: ...34 CHAPTER 3 HARDWARE DESCRIPTION AND INSTALLATION...

Page 35: ...the appropriate section TCP IP Setup Using Windows 95 and 98 TCP IP Setup Using Windows NT 4 0 TCP IP Setup Using Mac OS 7 6 or later TCP IP Setup Using Windows 3 11 TCP IP Setup Using Windows 95 and...

Page 36: ...tocol and then click Add The Select Network Protocol dialog box appears Figure 18 Select Network Protocol Dialog Box 4 From the Manufacturers list box select Microsoft and then from the Network Protoc...

Page 37: ...ddress Dialog Box 8 Most users should select Obtain an IP Address automatically as most LANs utilize dynamic IP addresses If this LAN uses static IP addressing enter the IP address and subnet mask You...

Page 38: ...se the Network dialog box 13 Restart Windows 98 or 95 to let these changes take effect TCP IP Setup Using Windows NT 4 0 Windows NT 4 0 provides TCP IP as part of its standard operating system If you...

Page 39: ...on Window 3 Click Add The Select Network Protocol window appears as shown in Figure 23 Figure 23 Select Network Protocol Window 4 Select TCP IP Protocol and then click OK The following message appears...

Page 40: ...lick Continue If you have Remote Access Service RAS installed on your PC after the appropriate files are copied to your PC a message box asks whether or not you would like TCP IP installed for RAS If...

Page 41: ...t mask 11 Click OK 12 Click Yes to restart your PC and allow the changes to take effect TCP IP Setup Using Mac OS 7 6 or later If you are using Macintosh operating system version 7 6 or later Open Tra...

Page 42: ...y and then enter the IP address TCP IP Setup Using Windows 3 11 If you are using Windows 3 11 a TCP IP stack may not be provided as part of the operating system If you do not have a TCP IP stack you c...

Page 43: ...lick OK 7 From the Install Driver dialog box enter the path to the MS _TCP directory For example if you installed MS_TCP on your C drive in a directory called MS_TCP you would enter C MS_TCP 8 Select...

Page 44: ...44 CHAPTER 4 SETTING UP TCP IP FOR WINDOWS AND MACINTOSH...

Page 45: ...puter Typical Configuration The typical configuration covers the following main steps Figure 31 Main Steps for Typical Configuration Before You Begin Before you configure the 56K LAN Modem you should...

Page 46: ...ated with your 56K LAN Modem and then click Properties Select the IP Address tab If the radio button labeled Obtain an IP address automatically Windows 95 and 98 or Obtain an IP address from a DHCP se...

Page 47: ...6K LAN Modem 3 Click Properties and then select the Gateway tab and write down the first IP address in the Installed Gateways list If nothing is entered in the Installed Gateway list enter an IP addre...

Page 48: ...4 Enter this series of numbers into the Name Server Address box If you already have existing address es listed add the new address below the last entry 5 Choose File and Close 6 When asked to save yo...

Page 49: ...hange its default IP address If this occurs the unit will reset itself and then function as described in this section Regardless of the start page to which your Web browser is set your Web browser wil...

Page 50: ...ve the fields empty 4 Click Submit A message box indicates that your password has been set The ISP Wizard appears If you do not want to use the ISP Wizard click Abort to reach the 56K LAN Modem main c...

Page 51: ...r field enter the telephone number of your ISP If you want to enter another telephone number to connect to your ISP refer to Editing Service Provider Profiles after you have completed this typical ins...

Page 52: ...eturn to the LAN Modem s main configuration page enter the following address in your Web browser s address window http lanmodem Alternatively if you are using the Custom Browser clicking the Configure...

Page 53: ...ISP connection From here you can read any new up to date information register your product or perform firmware upgrades as they become available If you have installed the Custom Browser from the 3Com...

Page 54: ...ons listed in the left vertical frame as well as textual links from beneath the center graphic Links From the Illustration By clicking on the icons shown in the illustration you may jump to the follow...

Page 55: ...Jumps to the Statistics page where you may view statistics such as system current call last call and service provider Maintenance Jumps to the Maintenance page Here you can reset the 56K LAN Modem as...

Page 56: ...56 CHAPTER 5 CONFIGURING THE 56K LAN MODEM...

Page 57: ...ssword Locking the configuration Disabling password protection for the Manual Calling screen Configuring the LAN Modem from a remote location Setting Up Additional Service Providers A service provider...

Page 58: ...to a remote private LAN such as a corporate network For instance if you want to dial into your main office from home in order to access the servers at your office for email printing etc then select pr...

Page 59: ...nnection to an ISP do the following 1 From the 56K LAN Modem main page click the Service Providers image Figure 36 ISP Service Provider Selection Window 2 Select New Internet Service Provider from the...

Page 60: ...waiting Your telephone company should provide this value Note that your telephone will be busy to incoming calls when Call Waiting is disabled The Dial Out Prefix and the Call Waiting Disable values w...

Page 61: ...ted unintentionally as a result of packets generated by your workstations 14 For Enable Intelligent NAT leave the default setting which is Yes in order for the LAN Modem to better support Internet app...

Page 62: ...s a static IP address and subnet mask In addition you may need the following information depending on your particular network setup Check with your Network Administrator IP address subnet mask of the...

Page 63: ...n outside line if necessary An example would be dialing 9 for use with a PBX If not required leave this field blank 5 In the Call Waiting Disable Command field enter the appropriate command to disable...

Page 64: ...SP for users on the LAN If the private network to which you connect has assigned a static IP address to each computer on your LAN then disable NAT 14 Under Miscellaneous if the private network to whic...

Page 65: ...ice provider connections and a particular computer on the LAN do the following 1 From the 56K LAN Modem main page click the Workstations image The Workstation Selection window appears 2 From the Works...

Page 66: ...file page appears 3 Edit the fields as desired For more information on the particular fields refer to the appropriate section Setting Up a Connection to an ISP or Setting Up a Connection to a Private...

Page 67: ...name LANmodem is translated to the IP address 192 168 1 1 IP Address and Subnet Mask The IP address is a unique address which identifies the 56K LAN Modem on a network The default address 192 168 1 1...

Page 68: ...d calls to your Service Provider resulting in subsequent charges to your phone bill When this box is checked NetBIOS packets are prevented from initiating an outgoing call but they will be passed if t...

Page 69: ...m connects to a remote site The following options are provided Table 5 Connection Controls Mode Controls Mode Controls allow you to define your LAN Modem s operating conditions The following options a...

Page 70: ...Service Provider page opens 3 Click the Modem Settings button located at the bottom of the Service Provider s page Note that each service provider up to four has its own associated Modem Settings pro...

Page 71: ...ields Figure 42 Data Call Parameters Window Minimum Call Duration The minimum call duration is the minimum length of a call that must be satisfied before an inactivity timer can begin The default for...

Page 72: ...Modem will redial a call that is placed using the Manual Call Control screen Acceptable values are between 0 and 255 times Delay Between Redial Attempts When Placing a Manual Call This field designate...

Page 73: ...e WebWizard screen If this occurs you will be prompted to enter your password in order to gain access to the WebWizard What If I Forget My Password If you forget your password you must reset the 56K L...

Page 74: ...were connected via your local LAN You are not able to browse the Internet when remotely accessing your LAN Modem During a remote configuration of the ISP Wizard clicking the Continue button will not p...

Page 75: ...blank at this time 18 Click Connect Your local computer will dial and establish a connection with your remote LAN Modem 19 Once your call has been established launch a Web browser on your local comput...

Page 76: ...76 CHAPTER 6 ADVANCED CONFIGURATION...

Page 77: ...example should you have an ISP configured as one of your service providers opening a Web browser such as Netscape or Internet Explorer will cause the LAN Modem to automatically dial and connect to yo...

Page 78: ...onfigured do the following Note that for this type of manual call the service provider must supply a dynamic IP address This call profile will remain under TempSvcProvider until you change the setting...

Page 79: ...nabled for your LAN Modem to receive an incoming data call Note that Auto Answer is disabled by default Auto Answer The Auto Answer feature allows your LAN Modem to automatically answer an incoming ca...

Page 80: ...er how long of an inactivity period enter the number of seconds after which a call should be disconnected due to inactivity This timer is initiated once the minimum call duration is satisfied and no f...

Page 81: ...ng connection script and click Select If you are creating a new service provider choose New Internet Service Provider or New Private Network and click Select For instructions on creating or editing se...

Page 82: ...age return is simulated by the characters M within the quotation marks The maximum length for this string is 64 characters The WaitFor command waitfor string second allows you to designate the text th...

Page 83: ...word Login Click OK when finished 10 Enter the maximum number of seconds to wait for the remote server to send the connection request Click OK when finished 11 Click Transmit The Transmit dialog box...

Page 84: ...vides the following configuration buttons located along the bottom of the script text entry window The Submit button saves your script and returns to the Service Provider Parameters page The Reset but...

Page 85: ...that the cables are not physically damaged If damage is apparent replace the cable Verify that the power cord is connected to the 56K LAN Modem and an electrical outlet Verify that the analog telepho...

Page 86: ...perly Check the Ethernet cable connection and make sure it is inserted properly in a port labeled 1 2 3 or 4 on the back of the 56K LAN Modem and in the Ethernet port on the back of your computer Make...

Page 87: ...browser If you are using Internet Explorer launch your Web browser Fromthe View menu select Internet Options Enter an address in the Home page address field such as http www 3com com If you are using...

Page 88: ...ALERT LED is not flashing then the LAN Modem is now operating correctly ALERT LED continues to fast flash This may occur as a result of replacing a workstation on the LAN with a new computer The DHCP...

Page 89: ...eck the Current Call Information from the Statistics page for the Reason for call coming up If the situation persists disconnect each attached LAN device to locate the source of the IP packet generati...

Page 90: ...gs listed in Appendix C All user entered parameters are lost To reset the 56K LAN Modem do the following 1 From the 56K LAN Modem s home page select Maintenance 2 Select the type of reset you would li...

Page 91: ...AN Modem System software version number Displays the firmware version of the 56K LAN Modem Boot software version number For internal use only The LAN Modem has been up for Displays the length of time...

Page 92: ...son for call coming up Indicates how the call was placed and which workstation placed the call Depending on how the call placed you should see something similar to the following Manual Dial by Worksta...

Page 93: ...ation Description Last Call Information Description Table 12 Service Provider information description Service Provider Information Description Number of successful connections Indicates the total numb...

Page 94: ...94 CHAPTER 8 TROUBLESHOOTING AND MAINTENANCE...

Page 95: ...d together using some type of cabling Typically Ethernet cabling is used There are three main types of Ethernet networks 10BASE T 10BASE 2 and 10BASE 5 The 56K LAN Modem supports up to ten 10BASE T co...

Page 96: ...her Transmission Control Protocol Internet Protocol TCP IP is becoming the most common software used to accomplish this What is TCP IP TCP IP is a standardized communications protocol that works acros...

Page 97: ...Because of the increasing popularity of the Internet the NIC is running out of permanent IP addresses It is therefore becoming more common to use dynamic IP addresses which are assigned temporarily an...

Page 98: ...ay have speed limitations What is a modem The word modem is derived from the combination of two words modulator demodulator The main function of a modem is to convert the analog signal of the telephon...

Page 99: ...on in the downstream path 56K technology can use nearly all of the available 64K network bandwidth Upstream data typically less sensitive travels at the standard V 34 rate of 33 6K Based on encoding r...

Page 100: ...100 APPENDIX A NETWORKING PRIMER...

Page 101: ...Links The following custom buttons provide direct links to 56K LAN Modem configuration and information Web sites Configure Modem Click here to jump to the 56K LAN Modem configuration main page Dial Ha...

Page 102: ...net Explorer Browser If you already have a version of the Internet Explorer Web browser installed and you would like to install a later customized version you should first uninstall the previous versi...

Page 103: ...ter during initial configuration If communication cannot be established initially the 56K LAN Modem will change its default IP address If this occurs the IP address will be different from the default...

Page 104: ...104 APPENDIX C FACTORY DEFAULTS...

Page 105: ...ompliance and 3Com products visit the 3Com Year 2000 web page http www 3com com products yr2000 html Table 14 56K LAN Modem Specifications Network Interface Analog POTS telephone service provided by t...

Page 106: ...106 APPENDIX D SPECIFICATIONS...

Page 107: ...lephone lines in a limited geographic area are connected to the public telephone network compression Compression is a method of reducing the size of data packets without losing any information If you...

Page 108: ...ions that are the equivalent of manually lifting a phone receiver taking it off hook and replacing it going on hook PAP Password Authentication Protocol PAP is one of two PPP authentication protocols...

Page 109: ...gy exploits the digital connections that most Internet and on line service providers use at their end to connect to the PSTN such as a T1 or an ISDN BRI line VPN A virtual private network is a secure...

Page 110: ...110 GLOSSARY...

Page 111: ...ndows NT 86 ISP versus Private Network 58 L LAN parameters configuring 67 understanding 67 LEDs description 28 monitoring 85 locking the configuration 73 M Modem Controls changing 69 understanding 69...

Page 112: ...112...

Page 113: ...ing properly with regard to such date data on and after January 1 2000 provided that all other products used by Customer in connection or combination with the 3Com product including hardware software...

Page 114: ...countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the...

Page 115: ...digital PBX party or coin telephone line If this device causes harm to the telephone network the telephone company will notify you in advance that temporary discontinuance of service may be required B...

Page 116: ......

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