D-Link AirPremier N DAP-2690 User Manual page 29

Section  - Configuration
DTIM Interval Select a Delivery Traffic Indication Message setting between 1 and 15. 1 is the default setting. DTIM is a countdown
(1-15): informing clients of the next window for listening to broadcast and multicast messages.
Transmit Power:
This setting determines the power level of the wireless transmission. Transmitting power can be adjusted to eliminate
overlapping of wireless area coverage between two access points where interference is a major concern. For example,
if wireless coverage is intended for half of the area, then select 50% as the option. Use the drop-down menu to select
100%, 50%, 25%, or 12.5%.
WMM (Wi-Fi WMM stands for Wi-Fi Multimedia. Enabling this feature will improve the user experience for audio and video applications
Multimedia):
over a Wi-Fi network.
To effectively optimize throughput over long distance links enter a value for Acknowledgement Time Out between 25
Ack Time Out (2.4 GHZ,
and 200 microseconds for 5 �Hz or from 48 to 200 microseconds in the 2.4 �Hz in the field provided.
48~200) or Ack Time
Out (5 GHZ, 25~200):
Short GI: Select Enable or Disable. Enabling a short guard interval can increase throughput. However, be aware that it can also
increase the error rate in some installations due to increased sensitivity to radio-frequency installations.
IGMP Snooping: Select Enable or Disable. Internet �roup Management Protocol allows the AP to recognize I�MP queries and
reports sent between routers and an I�MP host (wireless STA). When I�MP snooping is enabled, the AP will forward
multicast packets to an I�MP host based on I�MP messages passing through the AP.
Select Enable or Disable. This is an option for load balancing. This determines whether to limit the number of users
Connection Limit:
accessing this device. The exact number is entered in the User Limit field below. This feature allows the user to share
the wireless network traffic and the client using multiple APs. If this function is enabled and when the number of
users exceeds this value, or the network utilization of this AP exceeds the percentage that has been specified, the
DAP-2690 will not allow clients to associate with the AP.
D-Link DAP-690 User Manual 9