D-Link DIR-825/AC User Manual page 167

DIR-825/AC Wireless AC1200 Dual Band Gigabit Router with
3G/LTE Support and USB Port
User Manual
Parameters of the Access Categories are defined for both the router itself (in the Parameters of
Access Point section) and wireless devices connected to it (in the Parameters of Station
section).
For every Access Category the following fields are available:
Parameter
Aifsn
CWMin/CWMax
Txop
ACM
Ack
When you have configured the parameters, click the Apply button.
Arbitrary Inter-Frame Space Number. This parameter influences
time delays for the relevant Access Category. The lower the value,
the higher is the Access Category priority.
Contention Window Minimum/Contention Window Maximum. Both
fields influence time delays for the relevant Access Category. The
CWMax field value should not be lower, than the CWMin field
value. The lower the difference between the
and the CWMin field value, the higher is the Access Category
priority.
Transmission Opportunity. The higher the value, the higher is the
Access Category priority.
Admission Control Mandatory.
If on, prevents from using the relevant Access Category.
Acknowledgment. Answering response requests while transmitting.
Displayed only in the Parameters of Access Point section.
If off, the router answers requests.
If on, the router does not answer requests.
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Configuring via Web-based Interface
Description
CWMax field value