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5-60
AP-51xx Access Point Product Reference Guide
5. Configure the
QoS values for the radio.
Support Short
Preamble
RTS Threshold
Set RF QoS
Performance
field to set the preamble, thresholds values, data rates and
The preamble is approximately 8 bytes of packet header generated
access point
by the
transmission from the 802.11b radio. The preamble length for
802.11b transmissions is data rate dependant. The short preamble
is 50% shorter than the long preamble. Leave the checkbox
unselected if in a mixed MU/AP environment, as MUs and the
access point
are required to have the same RF Preamble settings
for interoperability. The default is Disabled. The preamble length
for 802.11a and 802.11g transmissions is the same, with no long or
short preamble lengths.
access point
RTS allows the
frames longer than the specified length. The default is 2341bytes.
Click the
Set RF QoS
set QoS parameters for the radio. Do not confuse with the QoS
configuration screen used for a WLAN. The Set RF QoS screen
initially appears with default values displayed.
Select
manual
from the
to edit the
CW min
(Arbitrary Inter-Frame Space Number) and
Access Category. These are the QoS policies for the 802.11a or
802.11b/g radio, not the QoS policies configured for the WLAN (as
created or edited from the
screen).
Symbol recommends only advanced users manually set these
values. If the type of data-traffic is known, use the drop-down
menu to select a
11g-wifi, 11b-wifi, 11g-default,
11b-voice
11g-voice
or
traffic, default is typical data traffic and voice is for "Voice-Over-IP"
supported wireless devices.
Click
OK
to implement the selected QoS values and return to the
802.11a or 802.11b/g radio configuration screen. Clicking
reverts the screen to the last saved configuration.
and attached to the packet prior to
to use RTS (Request To Send) on
button to display the
Set RF QOS
Select Parameter set
and
CW max
(contention window),
TXOPs Time
Quality of Service Configuration
option. Wifi represents multimedia
screen to
drop-down menu
AIFSN
for each
11b-default,
Cancel
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