ZyXEL Communications NWA570N User Manual

Page 67

Chapter 6 Wireless Screens

ZyXEL NWA570N User’s Guide

HT protect

Select HT protect if you have devices on your wireless network that support IEEE

802.1b/g standards but not the IEEE 802.1n draft 2.0 standard.
If all devices on your wireless network support IEEE 802.1n draft 2.0, deselect HT

protect for higher data transmission rates.

WDS Settings

Local MAC

Address

This is the MAC address of the device.

Remote MAC

Address 1~4

Type the MAC address of the peer device(s) (the other access point(s) in your

network) in a valid MAC address format, that is, six hexadecimal character pairs,

for example, 12:34:56:78:9a:bc.

Advanced

Settings

Radio Enable

Turn on the wireless adapter to allow wireless communications between the

device and other IEEE 802.11b and IEEE 802.11g compliant wireless devices.

Turn off the wireless adapter to stop wireless communications between the device

and other IEEE 802.11b and IEEE 802.11g compliant wireless devices.

A-MPDU

aggregation

Select Yes to enable the grouping of several A-MSDU (Aggregate MAC Service

Data Units) into one large A-MPDU (Aggregate MAC Protocol Data Unit). When

combined with A-MSDU aggregation this function allows faster data transfer

rates.

A-MDSU

aggregation

Select Yes to enable the grouping of small groups of data (MAC Service Data

Units, or MSDU) into one large unit of MSDUs called an Aggregate MSDU (A-

MSDU).

RIFS

Select Yes to enable RIFS (Reduced Interframe Spacing) and to increase data

transfer rates.

Short GI

Select Yes or No to enable or disable GI (Guard Interval). The GI refers to the

interval given between data transmission from users in order to reduce

interference. Reducing the GI increases data transfer rates but also increases

interference. Increasing the GI reduces data transfer rates but also reduces

interference.

Output Power

Management

Set the output power of the device in this field. If there is a high density of APs

within an area, decrease the output power of the device to reduce interference

with other APs.
The options are Full, 50%, 25%, 12% and Min.

Data Rate

Management

Use this field to select a maximum data rate for the wireless connection(s). The

options are Auto, 1 ~ 54M, or MCS0-7.2[15] ~ MCS15-144.4[300].
Select Auto to let the NWA570N decide the most suitable data transfer rate. If you

are not certain of what setting to choose, choose Auto.
Alternatively select a data transfer rate from 1 to 54 Mbps. Please note that this is

a total rate to be shared by all of the device’s wireless connections.
The NWA570N also lets you configure the maximum data transfer rate based on

the IEEE802.1n draft 2.0 modulation and coding scheme (MCS). The MCS lists

data transfer speeds given a set of network conditions. The “MCS0” in the MCS0-

7.2[15] option refers to the first set of network conditions and so on. So MCS0-

7.2[15] is appropriate for network conditions which provides data transfer rates of

7.2 Mbps and 15 Mbps at bandwidths of 20 Mhz and 40 Mhz respectively.

Table 15 Wireless Settings: Bridge (continued)

LABEL

DESCRIPTION