User manual

DIR-320NRU Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
The following fields are available on the page:
Parameter Description
Station Keep Alive
The time interval (in seconds) between keep alive checks of
wireless devices from your WLAN. When the value 0 is specified,
the checking is disabled.
Beacon Period
The time interval (in milliseconds) between packets sent to
synchronize the wireless network.
RTS Threshold
The minimum size (in bites) of a packet for which an RTS frame is
transmitted.
Frag Threshold
The maximum size (in bites) of a non-fragmented packet. Larger
packets are fragmented (divided).
DTIM Period
The time period (in seconds) between sending a DTIM (a message
notifying on broadcast or multicast transmission) and data
transmission.
TX Power
The router's transmit power (in percentage terms).
BG Protection
The 802.11b and 802.11g protection function is used to minimize
collisions between devices of your wireless network.
Select a value from the drop-down list.
Auto: The protection function is enabled and disabled
automatically depending on the state of the network (this value is
recommended if your wireless local area network consists of both
802.11b and 802.11g devices).
Always On: The protection function is always enabled (this setting
can substantially lower the efficiency of your wireless network).
Always Off: The protection function is always disabled.
TX Preamble
This parameter defines the length of the CRC block sent by the
router when communicating to wireless devices.
Select a value from the drop-down list.
Long Preamble.
Short Preamble (this value is recommended for networks with
high-volume traffic).
When you have configured the parameters, click the Change button.
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