ZyXEL Communications eircom D1000, Руководство пользователя

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eircom D1000 modem U
ser’s Guide
Chapter 5 Wireless LAN
Figure 31
Network Setting > Wireless> Advanced
The following table describes the labels in this screen.
Table 18
Network Setting > Wireless> Advanced
LABEL DESCRIPTION
Fragmentation
Threshold This is the maximum data fragment size that can be sent. Enter a value between 256 and
2346.
Output Power Set the output power of the Device. If there is a high density of APs in an area, decrease
the output power to reduce interference with other APs. Select one of the following:
100% , 75%, 50% or 25% .
Preamble Select a preamble type from the drop-down list menu. Choices are Long or Short .
802.11 Mode Select 802.11b Only to allow only IEEE 802.11b compliant WLAN devices to associate
with the Device.
Select 802.11g Only to allow only IEEE 802.11g compliant WLAN devices to associate
with the Device.
Select 802.11b+g to allow either IEEE 802.11b or IEEE 802.11g compliant WLAN
devices to associate with the Device. The transmission rate of your Device might be
reduced.
Select 802.11n to allow only IEEE 802.11n compliant WLAN devices to associate with the
Device.
Select 802.11g+n to allow either IEEE 802.11g or IEEE 802.11n compliant WLAN
devices to associate with the Device. The transmission rate of your Device might be
reduced.
Select 802.11b+g+n to allow IEEE 802.11b, IEEE 802.11g or IEEE802.11n compliant
WLAN devices to associate with the Device. The transmission rate of your Device might
be reduced.
Channel Width Select whether the Device uses a wireless channel width of 20MHz or Auto . If Auto is
selected, the Device will use 40MHz if it is supported.
A standard 20MHz channel offers transfer speeds of up to 150Mbps whereas a 40MHz
channel uses two standard channels and offers speeds of up to 300 Mbps.
40MHz (channel bonding or dual channel) bonds two adjacent radio channels to increase
throughput. The wireless clients must also support 40 MHz. It is often better to use the 20
MHz setting in a location where the environment hinders the wireless signal.
Select 20MHz if you want to lessen radio interference with other wireless devices in your
neighborhood or the wireless clients do not support channel bonding.
This field is available only when you set the 802.11 Mode to 802.11n or 802.11b+g+n
in the Advanced Setup screen.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.