3com 3C886 Manuel D’Utilisation

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Evaluating Symptoms and Solutions
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Your Web browser may be 
configured to use a proxy server.
Set your browser to use the LAN Modem. 
For internet Explorer:
From within Explorer, choose  View  and Internet 
Options 
Select the  Connection  tab. 
Under the  Proxy Server  header, uncheck the box 
labeled Accessing the Internet using a proxy server.
For Netscape:
From within Netscape, choose  Edit and select 
Preferences. 
Double click  Advanced  and click  Proxies 
Check the box labeled  Direct connection to the 
Internet.
There is a configuration problem.
The wrong cable may be 
connected to the LAN port on the 
56K modem and your PC.
Make sure you are using the 8-pin to 8-pin cable 
labeled Ethernet that was provided with your 56K LAN 
Modem. If you are using another 10BASE-T Ethernet 
cable, it must be a straight-through cable.
Web browser may not be set to a 
default start page
Enter a default URL from within your Web browser.
If you are using Internet Explorer, launch your Web 
browser. From the  View  menu, select  Internet  Options 
Enter an address in the Home page address field, such 
as 
http://www.3com.com.
If you are using Netscape, launch your Web browser. 
From the  Options  menu, select  General Preferences 
From Browser Starts With, select  Home Page Location 
and then enter a URL such as 
http://www.3com.com
.
A statically configured 
workstation has caused the LAN 
Modem to change its factory 
default IP address to match the 
gateway of the workstation.
You must use the new LAN Modem IP address to 
access the LAN Modem. 
For Windows 95/98/NT:
Open the Network control panel.
Select  TCP/IP and click on  Properties.
Note the IP address of the first Gateway entry.
Make sure that the first DNS entry matches this IP 
address.
Enter this IP address as the URL in your Web 
browser.
Make sure that the Gateway and DNS server 
configured on all of your LAN’s workstations match 
this IP address.
Clicking “submit” in the LAN 
Modem’s configuration pages 
does not take you to the next 
screen
JavaScript may not be enabled in 
your Web browser.
Enable JavaScript via your Web browser’s configuration 
options.
(continued)
Table 8   Symptoms, Causes, and Solutions 
Symptom
Possible Cause
Solution