FRITZ WLAN-7340 Router Manual PDF (Setup & Configuration Guide)

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Updates and Software

166

8.3

Updates and Software

AVM provides firmware updates and additional software

you can use with your FRITZ!Box free of change.

Firmware

Use the “Update Firmware” Wizard on the FRITZ!Box user

interface to perform an update of your firmware.

Open the “Wizards / Update Firmware” page to download

the firmware from the Internet and perform the update

with a single mouse click.

Programs

The FRITZ!Box user interface shows all of the software for

your FRITZ!Box available for downloading from the Internet

in the “Network / Programs” menu.

The latest software is also available for download at the

following address:

www.avm.de/en/download

FTP

Experienced users can also download updates from the

AVM FTP server. Click the “FTP Server” link in the down-

load area of the AVM site, or enter the following address:

ftp.avm.de

8.4

Support from the AVM Service Team

Should problems with your FRITZ!Box arise, we recom-

mend taking the following steps:

1.

If you have questions about starting operation of

your FRITZ!Box, please consult the chapter “Connect-

ing” from page 14.

Please see the information in the section “Product

Details” from page 117.

2.

If you have any problems, seek first aid by consulting

the chapter “Troubleshooting” from page 98.

This chapter also presents useful tips on problems

with establishing connections.

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167

Support by E-mail

3.

The next step is to consult the FAQs in the Internet:

www.avm.de/en/service/FAQs

This site contains answers to questions our custom-

ers have frequently asked our Support team.

4.

If you do not find the answer you need in the FAQs,

AVM Support will assist you. The support desk can be

reached by e-mail or by fax.

Support by E-mail

E-mail

You can send us an English-language e-mail request at

any time using the “Service” area of our web site. The

“Service” area can be reached at:

www.avm.de/en/service

Select the product for which you need support from the

“Support” area. Click the “Mail Form” link to open the e-

mail form. Fill out the form in English and send it to AVM

support by clicking the “Send” button. Our Support team

will respond by e-mail as quickly as possible.

Please take advantage of the information sources

described above before contacting AVM support.

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Glossary

168

Glossary

ADSL

abbreviation for Asymmetric Digital Subscriber Line

ADSL (G.992.1/G992.2) was developed on the basis of

DSL technology in order to satisfy the increasing demand

for higher throughput rates during uploading and down-

loading.

It designates a fast kind of data transmission that works

with standard copper cables and transports signals in

both directions at different speeds (upstream at

640 Kbit/s and downstream at up to 9 Mbit/s).

ADSL2

abbreviation for Asymmetric Digital Subscriber Line 2

ADSL2 (G.992.3) is a further development of the ADSL

standard.

ADSL2 offers range much greater than did the first ADSL

generation, and is significantly more robust than ADSL, as

it can simply disable single carrier frequencies when they

produce interference. This feature allows ADSL2 to pre-

vent synchronization losses.

With a throughput rate of up to 12 Mbit/s downstream,

ADSL2 offers considerably greater bandwidth than ADSL.

ADSL2 is completely downward compatible, meaning that

terminal equipment compliant with ADSL can also be op-

erated on ADSL2 lines, although they cannot exploit the

advantages of ADSL2.

In practice ADSL2 has become less important since the

ADSL2+ standard has made higher throughput rates pos-

sible.

ADSL2+

abbreviation for extended bandwidth Asymmetric Digital

Subscriber Line 2

ADSL 2+ (G.992.5) is a further development of the ADSL

standard.

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169

Glossary

ADSL2+ offers a doubled frequency range used for down-

stream transmission, and thus double the maximum

bandwidth achievable for downstream to 24 Mbit/s.

ADSL2+ is completely downward compatible, meaning

that terminal equipment compliant with ADSL and ADSL2

can also be operated on ADSL2+ lines, although they can-

not exploit the advantages of ADSL2+.

ADSL-Controller

An ADSL-Controller is an electronic hardware module that

allows a computer to access an ADSL line. ADSL-Control-

lers are stationary equipment, included on internal ADSL

cards (for the PCI bus) or in external ADSL modems (with

USB or Ethernet ports).

DECT

abbreviation for Digital Enhanced Cordless Telecommuni-

cations

DECT is a European standard for cordless telephony which

was drafted by the European Telecommunications Stan-

dards Institute in 1991 and officially adopted in 1992.

DECT defines the air interface between a mobile handset

and its base station, and supports both voice transmis-

sion and data transmission with flexible transfer speeds.

default gateway

see gateway

DHCP

abbreviation for Dynamic Host Configuration Protocol

DHCP is a protocol for the dynamic negotiation of the op-

erating parameters for the TCP/IP protocol (TCP is a trans-

port protocol based on the Internet protocol). The comput-

ers in a local IP network (DHCP clients) access the DHCP

server as part of their operating systems’ start procedure.

The central administration of the TCP/IP operation param-

eters makes it possible to avoid address conflicts caused

by IP addresses accidentally assigned more than once.

DHCP server

The DHCP server assigns each client an IP address that is

has not yet been assigned at the present time. The DHCP

server also informs the client of the IP addresses of the

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Glossary

170

DNS server to be used and of the default gateway. In as-

signing the IP addresses the DHCP server selects from a

prescribed range of IP addresses.

DNS

abbreviation for Domain Name System

Domain Name Service takes care of determining the IP ad-

dress for a given domain name. This Domain Name Ser-

vice runs on every computer. It accepts the domain name

entered by a user and inquires about the corresponding IP

address at a DNS server known to the service. If a DNS

server cannot answer the inquiry itself, it can inquire

about the IP address (DNS resolution) at other DNS serv-

ers.

If the Domain Name Service receives negative information

from the DNS server (domain name not known), it can

send inquiries to other DNS servers it knows or return a

corresponding error message to the user. If it receives the

desired IP address instead, the application can use the IP

address to retrieve the destination desired by the user.

This hierarchical system of DNS servers is known as the

Domain Name System. The addresses of the DNS servers

at which the Domain Name Service is to inquire by default

generally are handed over to the computer by the Internet

Service Provider automatically whenever a connection to

the Internet is established. In local networks addresses

can also be assigned via DHCP. Otherwise they must be

entered manually in the TCP/IP settings of the computer

by the user or the system administrator.

download

Download designates the transfer of files from the Internet

to a computer.

DSL modem

A DSL modem connects a computer to the Internet via the

DSL line. In contrast to the analog modem, a connection

via the DSL modem does not mean that the telephone line

is busy.

DSL router

A combination of a DSL modem and a router is called a

DSL router.

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