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3Com 3C886 User Guide - Page 54

K LAN Modem Main Links From the Illustration, Links From the, Illustration, Service Providers

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54 CHAPTER 5: CONFIGURING THE 56K LAN MODEM 56K LAN Modem Main The 56K LAN Modem main page is shown in Figure 35. From here you can access Page configuration parameters as well as place and disconnect manual calls. Bookmark this page for easy access. Alternatively, if you are using the 56K LAN Modem Web browser, click Configure Modem from the Links menu bar to go directly to your LAN Modem's main page. Figure 35 56K LAN Modem WebWizard Main Page The 56K LAN Modem configuration home page, also called the WebWizard, provides links to configuration, dialing and statistics screens. There are links from the illustration's images, from the buttons 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 following locations. s Service Providers: Jumps to the Service Providers page where you may configure connections to an ISP or a private network. s Workstations: Jumps to the Workstation Selection page where you view the IP address of your computer as well as change workstation associations with service providers. s LAN Parameters: Jumps to the LAN Parameters page where you may configure Ethernet parameters for your LAN. s Data Call Parameters: Jumps to the data call timeout parameters page. From here you may set inactivity timers, which allow calls to be disconnected due to network inactivity, keeping telephone usage and Internet access costs down.

Section	Page
Important Safety Information	3
Additional Safety Information	3
Table of Contents	5
About This Guide	11
Introduction	11
How to Use ThisGuide	11
Conventions	11
Year 2000 Compliance	12
Introduction	13
Introduction	13
56K Access	13
Applications	13
Local Networking with Access to the Internet	14
Local 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
Error Control and Data Compression	16
Modulation Schemes	16
Security	16
Upgradability	16
Diagnostics	16
Warranty	17
Support for Internet Applications	17
56K LAN Modem Functionality Description	19
Connection Types	19
56K Technology	19
LAN Side Connection	19
Application Sharing over the LAN	20
WAN Connection	21
One High Speed Connection	21
Sharing the Connection	21
Call Routing Protocol and IP Address Translation	22
Placing a Call to a Previously Defined Destination	22
Call Routing While No Other Calls are Connected	22
Understanding VPNs and PPTP	23
Setting Up the Server Side of the Tunnel	24
Setting Up the Client Side of the Tunnel	24
For Windows Dial-Up Networking Users	24
Establishing a Tunnel via the LAN Modem	24
Hardware Description and Installation	27
Package Contents	27
Before You Install the 56K LAN Modem	27
Front Panel LED Description	28
Back Panel Connector Description	29
Installing the 56K LAN Modem	29
Before You Begin	29
Installing the Analog Cable	30
Connecting 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
Setting Up TCP/IP for Windows and Macintosh	35
TCP/IP Setup Using Windows 95 and 98	35
TCP/IP Setup Using Windows NT 4.0	38
TCP/IP Setup Using Mac OS 7.6 or later	41
TCP/IP Setup Using Windows 3.11	42
Setting up TCP/IP using MS_TCP	42
Configuring the 56K LAN Modem	45
Typical Configuration	45
Before You Begin	45
You Should Have This Information	46
Determine Whether You Use Dynamic or Static IP Addresses	46
Setting Up Your Computer If You Have a Static IP Address	47
For Windows 98 and 95 Users	47
For Windows NT 4.0 Users	47
For Macintosh Users	48
For Windows 3.11 Users	48
Configuring the 56K LAN Modem for the Typical Configuration	49
Configuring a Static IP Address on the 56K LAN Modem	52
Configure Additional Parameters	53
56K LAN Modem Main Page	54
Links From the Illustration	54
Links from the Buttons	55
Advanced Configuration	57
Advanced Configuration	57
Setting Up Additional Service Providers	57
ISP Versus Private Network	58
When to Select ISP	58
When to Select Private Network	58
Setting Up a Connection to an ISP	58
Before You Begin	58
Setting Up a Connection to the Internet	59
Setting Up a Connection to a Private Network	62
Before You Begin	62
Setting Up a Connection to a Remote LAN	62
Associating Service Providers with Computers on the LAN	65
Editing Service Provider Profiles	66
Restricting Access to Service Providers	66
Configuring LAN Parameters	67
Understanding LAN Parameters	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 Modem Controls	69
Connection Controls	69
Mode Controls	69
Protocol Controls	69
Changing Modem Controls	70
Changing Data Call Parameters	71
Understanding Data Call Parameters	71
Minimum Call Duration	71
Disconnecting an Automatic Data Call	71
Disconnecting a Manual Data Call	72
Number of Times to Redial for a Manual Call	72
Delay Between Redial Attempts When Placing a Manual Call	72
Configuring the Data Call Parameters	72
Selective Password Protection	72
Changing Your Password	73
What If I Forget My Password?	73
Locking and Unlocking the Configuration	73
Configuring the LAN Modem from a Remote Location	74
Configuring the LAN Modem Remotely via Another LAN Modem	74
Configuring the LAN Modem Remotely via an Analog Modem	74
Placing, Receiving and Disconnecting Calls	77
Placing Calls	77
Placing a Call Automatically	77
Call Routing Among Service Providers	77
Placing a Call Manually	78
Placing a Call Manually to a Temporary Service Provider	78
Receiving Calls	79
Receiving Voice Calls	79
Receiving Data Calls	79
Auto Answer	79
Disconnecting Calls	80
Disconnecting Calls Manually	80
Disconnecting Calls Automatically Using Timers	80
Minimum Call Duration	80
Idle Timeout	80
Using a Connection Script	80
Before You Begin	80
Accessing the Script Configuration Page	81
Creating a Connection Script	82
Connection Script Command Syntax	82
Using the Configuration Buttons	82
Additional Configuration Buttons	84
Troubleshooting and Maintenance	85
Checking the Basics	85
Monitoring LEDs	85
Monitoring the ALERT LED	85
Monitoring the LAN Port Status LEDs	86
Evaluating Symptoms and Solutions	86
Finding More Information	90
Contacting Technical Support	90
Downloading Firmware to Your 56K LAN Modem	90
Resetting the 56K LAN Modem to a Factory Default Setting	90
Resetting the 56K LAN Modem to the Factory Defaults	90
Reviewing Statistics	91
Understanding System Statistics	91
Understanding Current Call Information	91
Understanding Last Call Information	92
Understanding Service Provider Information	93
Networking Primer	95
What is a network?	95
What is a LAN?	95
What is a WAN?	95
How does a LAN connect to a WAN?	96
What is a LAN Modem?	96
What is a POTS connection?	96
How do different devices communicate with each other?	96
What is TCP/IP?	96
What is an IP Address?	96
What is a Subnet Mask?	97
Dynamic and Static IP Addresses	97
What is DHCP?	97
What is DNS?	97
What is NAT?	98
What are numbered and unnumbered links?	98
How is overall throughput determined?	98
What is a modem?	98
What is the difference between analog and digital signals?	98
What is error correction?	98
What is Data Compression?	98
How does 56K technology work?	99
Possible Limitations	99
Using the Custom Web Browser	101
Custom Links	101
Using Favorites	102
Installing the Custom Internet Explorer Browser	102
Installing Future Releases of Internet Explorer	102
Factory Defaults	103
56K LAN Modem Factory Defaults	103
Specifications	105
General Specifications	105
Year 2000 Compliance	105
Glossary	107
3Com Corporation Limited Warranty	113
FCC Class B Statement	114