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Chapter 6 Wireless LAN
NWA1121-NI User’s Guide
65
Wireless Mode Select 802.11b/g to allow both IEEE802.11b and IEEE802.11g compliant WLAN devices
to associate with the NWA1121-NI. The transmission rate of your NWA1121-NI might be
reduced.
Select 802.11b/g/n to allow IEEE802.11b, IEEE802.11g and IEEE802.11n compliant
WLAN devices to associate with the NWA1121-NI. The transmission rate of the NWA1121-
NI might be reduced.
Select 802.11n to allow only IEEE802.11n compliant WLAN devices to associate with the
NWA1121-NI.
Channel Select the operating frequency/channel depending on your particular region from the
drop-down list box.
Channel Width This field displays only when you select 802.11n or 802.11b/g/n in the Wireless Mode
field.
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 300Mbps. However, not all
devices support 40MHz channels.
Select the channel bandwidth you want to use for your wireless network.
It is recommended that you select 20/40MHz. This allows the NWA1121-NI to adjust the
channel bandwidth depending on network conditions.
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.
Universal Repeater Settings
The Universal repeater function allows the NWA1121-NI in root AP or repeater mode to set up a wireless
connection between it and another NWA1121-NI in root AP or repeater mode.
Note: Universal repeater security is independent of the security settings between the NWA1121-NI and any
wireless clients.
Local MAC
Address
Local MAC Address is the MAC address of your NWA1121-NI.
Universal
Repeater SSID
Profile
Select the SSID profile you want to use for universal repeater connections with an AP or
repeater or regular wireless connections with wireless clients.
Note: You can only configure None, WPA-PSK or WPA2-PSK security mode for the SSID
used by a universal repeater connection.
Root MAC
Address
Specify the peer device’s MAC address. The peer device can be a NWA1121-NI in either
root AP mode or repeater mode.
Advanced Settings
Beacon Interval When a wirelessly network device sends a beacon, it includes with it a beacon interval.
This specifies the time period before the device sends the beacon again. The interval tells
receiving devices on the network how long they can wait in lowpower mode before waking
up to handle the beacon. A high value helps save current consumption of the access point.
DTIM Interval Delivery Traffic Indication Message (DTIM) is the time period after which broadcast and
multicast packets are transmitted to mobile clients in the Active Power Management
mode. A high DTIM value can cause clients to lose connectivity with the network.
Output Power Set the output power of the NWA1121-NI in this field. If there is a high density of APs in
an area, decrease the output power of the NWA1121-NI to reduce interference with other
APs. Select one of the following Full (Full Power), 50%, 25% or 12.5%. See the product
specifications for more information on your NWA1121-NI’s output power.
Table 11 Wireless LAN > Wireless Settings: Repeater (continued)
LABEL DESCRIPTION