Configuration Examples
102
Useful Information on Internet Access
Costs
The OpenCom 100 uses a router function to access the Internet, which means that it
automatically establishes an Internet connection when required and terminates the
connection after a certain period of time if no data are being transmitted.
Unfortunately, programmes other than those typically intended to access the Internet
(such as your browser or your e-mail software) may send out data packets which
cause an Internet connection to be established, even if these programmes are not
strictly Internet-associated applications.
Examples of such programmes are the Microsoft
TM
XP
TM
operating system, various
multimedia programmes such as Realplayer
TM
and anti-virus applications that may
establish an Internet connection for automatic updates (the so-called “phone home
function”).
It is therefore highly advisable to limit ISP access by specifying the maximum monthly
connection time under
Connection time per month
in the
Network
:
WAN
:
[Pro-
vider]
menu on the web console.
Using the Web
A Web browser not only enables you to use the OpenCom 100
Configurator
from
every workstation computer but also to obtain a wealth of information from the
Internet. Simply enter the desired URL in the address field of the browser. Access from
a stand-alone PC via an online service differs from Internet access via the
OpenCom 100 in the following respects:
•
When you request a Web page, dialling in results automatically. There is no display
of dialogues with manual confirmation of dialling in or hanging up.
•
Requesting Web pages is not a connection-orientated service. When the Web
page has been loaded completely, the TCP/IP connection is cleared. If you do not
request further Web pages, the OpenCom 100 automatically releases the con-
nection to the Internet after a certain, specifiable duration.
•
It is possible to call up Web pages simultaneously from several workstations.
•
The OpenCom 100 can block access to certain Web pages by means of filter lists.
Summary of Contents for OpenCom 100 series
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