Draytek VIGOR VIGOR2750 User Manual page 97

WMM Capable
APSD Capable
Aifsn
CWMin/CWMax
Txop
ACM
Vigor2750 Series User's Guide
To apply WMM parameters for wireless data transmission,
please click the Enable radio button.
The default setting is Disable.
It controls how long the client waits for each data
transmission. Please specify the value ranging from 1 to 15.
Such parameter will influence the time delay for WMM
accessing categories. For the service of voice or video
image, please set small value for AC_VI and AC_VO
categories For the service of e-mail or web browsing,
please set large value for AC_BE and AC_BK categories.
CWMin means contention Window-Min and CWMax
means contention Window-Max. Please specify the value
ranging from 1 to 15. Be aware that CWMax value must be
greater than CWMin or equals to CWMin value. Both
values will influence the time delay for WMM accessing
categories. The difference between AC_VI and AC_VO
categories must be smaller; however, the difference
between AC_BE and AC_BK categories must be greater.
It means transmission opportunity. For WMM categories
of AC_VI and AC_VO that need higher priorities in data
transmission, please set greater value for them to get
highest transmission opportunity. Specify the value
ranging from 0 to 65535.
It is an abbreviation of Admission control Mandatory. It
can restrict stations from using specific category class if it
is checked.
Note: Vigor2750 provides standard WMM configuration
in the web page. If you want to modify the parameters,
please refer to the Wi-Fi WMM standard specification.
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