ZyXEL NBG-419N 사용자 가이드
Chapter 11 Wireless LAN
NBG-419N User’s Guide
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11.7 Quality of Service (QoS) Screen
The QoS screen allows you to automatically give a service (such as VoIP and
video) a priority level.
video) a priority level.
Click Network > Wireless LAN > QoS. The following screen appears.
Figure 73 Network > Wireless LAN > QoS
Operating
Mode
Mode
Choose this according to the wireless mode(s) used in your network.
Mixed Mode - Select this if the wireless clients in your network use
different wireless modes (for example, IEEE 802.11b/g and IEEE 802.1n
modes)
different wireless modes (for example, IEEE 802.11b/g and IEEE 802.1n
modes)
Green Mode - Select this if the wireless clients in your network uses only
one type of wireless mode (for example, IEEEE 802.11 n only)
one type of wireless mode (for example, IEEEE 802.11 n only)
Channel
Bandwidth
Bandwidth
Select the channel bandwidth you want to use for your wireless network.
It is recommended that you select 20/40 (20/40 MHz).
Select 20 MHz if you want to lessen radio interference with other wireless
devices in your neighborhood.
devices in your neighborhood.
Guard
Interval
Interval
Select Auto to increase data throughput. However, this may make data
transfer more prone to errors.
transfer more prone to errors.
Select Long to prioritize data integrity. This may be because your wireless
network is busy and congested or the NBG-419N is located in an
environment prone to radio interference.
network is busy and congested or the NBG-419N is located in an
environment prone to radio interference.
Extension
Channel
Channel
This is set to Auto by default.
If you select 20/40 as your Channel Bandwidth, the extension channel
enables the NBG-419N to get higher data throughput. This also lowers
radio interference and traffic.
enables the NBG-419N to get higher data throughput. This also lowers
radio interference and traffic.
Apply
Click Apply to save your changes back to the NBG-419N.
Reset
Click Reset to reload the previous configuration for this screen.
Table 41 Network > Wireless LAN > Advanced
LABEL
DESCRIPTION