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Home > Support > Technical Support > WH-9200AP

Airlive FAQ
WH-9200AP
Q:

Why does my AP only have the maximum power settings of 14dBm?

A:

The TX output power settings in your AP works in substraction system.  The "Max-0" settings is the highest.  The "Max-14" is the lowest, it means "Maximum minus 14dbm".  Therefore, please choose "Max" or "Max-0" for the highest output power.

Q:

How do I make AP to Client connection between WH-9200AP and AirMax5?

A:

Click Here

Q:

How do I make WDS Bridge connection between WH-9200AP and AIrMax5?

A:

Click Here

Q:

I can't find my remote AP when I do a site survey, why?

A:

Your AP has DFS control turn on by default for compliance with the law.  When you change wireless settings in AP or Gateway mode, the device will scan for radar signal first.  This process might take a few minutes.  Therefore, when your remote AP change settings, please wait for a few minutes before doing site survey to find it.

Q:

I have an AP connecting to many wireless clients at different distance. How should I set the distance or ACKtimeout value?

A:

Using ACKtimeout for point-to-point connection is no problem.  However, for point to multi-point connection, it becomes a problem at the center point.  In the diagram below, the AP at point A is the center hub.  While wireless clients at B, C,and D can set correct ACKtimeout values to point A, the center AP can set only one Acktimeout value.

To illustrate this problem; when you set the ACKtimeout at Point A to 2km distance.  The likely result will be Point B will get about 90% of the bandwidth, Point C gets 10%, and Point D gets nothing at all.

 

To solve this problem, please use total bandwidth control at point B, C, D to limit the bandwidth to about 40% of total bandwidth each maximum. Then set the AP’s(Point A) ACKtimeout value to 3km distance (the furthest client from the AP).  All 3 points should then get acceptable share of the bandwidth.

Q:

How can I add more than one MAC address in the WDS entry.

A:
  1. Please download the latest firmware from the Support section
  2. You must enter a different SSID for each WDS MAC address.  The SSID does not have to match the remote Bridge's SSID, it is only used by the local bridge to track different WDS Link.  Please see the configuration diagram below for example.


Q:

What is RSSI value and what number is considered as good strength?

A:

You can view the RSSI value from the "Site Survey" page's "Signal Survey" function.  The Site Survey function can be found under the "Status" menu or in the "mode" function page.  RSSI represents the receiver sensitivity level, it usually comes in negative value.   "-50dB" is stronger than "-60dB".   An RSSI value of less than "-80dB" is considered to be very weak.  Values from -50dB to -60dB are considered to have good strength.  "-50dB" or greater is considered to at full signal strength.

Q:

I tried to set the Bandwidth Control Function, but it keeps saying "Invalid IP/MAC address". What is wrong?

A:

 Please use Internet Explorer 6 or 7 to configure the Web Interface.

Q:

What are the differences between 11a, Super-A, and Turbo-A mode? Which one should we use?

A:
  • 11a mode (normal-A): This is the IEEE standard for WiFi operating in 5GHz frequency band. 11a is the most stable mode. If you are getting packet loss or disconnection using Super-A orTurbo-A mode. Please use 11a mode instead.
  • SuperA : Super-A adds Bursting and Compression to increase the speed over 11a mode. If you live in countries that prohibit the channel binding technology (i.e. Europe), you should choose “Super-A without Turbo) if you need more speed than 11a mode.
  • Super-A with Static Turbo: Turbo mode uses channel binding technology to increase the speed further over Super-A and 11-A mode. This mode might not be allowed in countries that prohibit channel binding (i.e. some EU countries). This mode will always turn on the turbo mode in al conditions
  • Super-A with Dynamic Turbo: Dynamic Turbo mode will be turn on only when adjacent channel is not used. It is also know as intelligent turbo mode. This mode might not be allowed in countries that prohibit channel binding (i.e. some EU countries).

Q:

What is XR technology, when to use it?

A:

XR is Atheros eXtended technology to increase range. When XR is turned on, the radio can increase the receiver sensitivity greatly. However, performance may be reduced significantly also. Use this mode only if you can trade more distance for lower performance.

Q:

There is no reset button on WH-9200AP, how can I reset WH-9200AP to factory default?

A:

Click here

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