Denon ASD-51W User Manual download pdf (Page 41)

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Getting Started Connections Setting Playback Troubleshooting

Speciﬁcations

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.

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.

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 ASD-51W, 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.

WPS (Wi-Fi Protected Setup)

This is a standard drawn up by the Wi-Fi Alliance to

ease the task of setting up wireless LAN connections

and conﬁguring security.

There are two methods: push-button and PIN (Personal

Identiﬁcation Number) code.

About Networks

Information

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Denon ASD-51W User Manual Page 41

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