Bedienungsanleitung Denon s 52 (Seite 34 von 39) (Englisch)

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Getting Started Connections Setup Playback Troubleshooting

ENGLISH

Information

IEEE 802.11g

This is another wireless LAN standard set by the 802 working group

that establishes LAN technology standards at the IEEE (Institute of

Electrical and Electronics Engineers) of the United States, and is

compatible with IEEE 802.11b. It also uses the 2.4 GHz band, but

enables communications at a maximum speed of 54 Mbps.

Infrastructure Communications

“Infrastructure Communications” refers to networks using wireless

LAN access points.

This function can be used to connect to the Internet or a wired LAN

via a wireless LAN access point. Wireless LAN access points include

wireless broadband routers.

Ad-hoc Communications

Signal transfer through wireless interconnection of computers is referred

to as “ad hoc communications”. With such ad hoc communications

there is no connection to the Internet. Ad hoc communications are

suited for establishing simple temporary networks.

The value indicated above is the maximum theoretical value for the

wireless LAN standard, and does not indicate the actual data transfer

rate.

Network Names (SSID: Security Set Identiﬁer)

When forming wireless LAN networks, groups are formed to prevent

interference, data theft, etc. This grouping is done by “SSID” or

“Security Set Identiﬁers”. For further security, a WEP key is set and

signal transfer is not possible unless the SSID and WEP key match.

WEP Key (Network Key)

This is key information used for encrypting data when conducting data

transfer. On the S-52, the same WEP key is used for data encryption

and decryption, so the same WEP key must be set on both devices in

order for communications to be established between them.

WPA (Wi-Fi Protected Access)

This is a security standard established by the Wi-Fi Alliance. In addition

to the conventional SSID (network name) and WEP key (network key),

it also uses a user identiﬁcation function and encrypting protocol for

stronger security.

WPA2 (Wi-Fi Protected Access 2)

This is a new version of the WPA established by the Wi-Fi Alliance,

compatible with more secure AES encryption.

WPA-PSK/WPA2-PSK (Pre-shared Key)

This is a simple authentication system for mutual authentication when

a preset character string matches on the wireless LAN access point

and client.

Passphrase

This refers to the code key used for WPA-PSK/WPA2-PSK authentication,

a WPA authentication method.

TKIP (Temporal Key Integrity Protocol)

This is a network key used for WPA. The encryption algorithm is RC4,

the same as for WEP, but the security level is increased by changing

the network key used for encryption for each packet.

AES (Advanced Encryption Standard)

This is a next generation standard encryption method replacing the

current DES and 3DES, and because of its high security it is expected to

be applied widely to wireless LANs in the future. It uses the “Rijndael”

algorithm developed by two Belgian cryptographers to divide the data

into blocks of ﬁxed lengths and encrypt each block. It supports data

lengths of 128, 192 and 256 bits and key lengths of 128, 192 and 256

bits as well, offering extremely high encryption security.

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