Netgear WC7520 - ProSafe 20-AP Wireless Controller Manual De Referência

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RF Planning
47
 ProSafe 20-AP Wireless Controller WC7520
Figure 17.  
Note that the planning tool provides only default placement and shows the coverage area 
for each access point. 
6. 
Move the access points to optimize coverage in desired areas and avoid coverage in 
unwanted areas based on the floor plan.
Colored circles around the access point symbols indicate the expected approximate 
coverage of the individual access point. The color of the circle represents the expected 
quality of the signal strength: a darker color indicates signal overlap with nearby access 
points. 
Note: 
A red color indicates the strongest coverage area: better than –50 dBm 
RSSI; an orange color better than -60 dBm; a yellow color better than –70 dBm; 
and so on.
Moderate overlap is required for seamless roaming. No overlap will lead to 
disconnections and dead spots.
You can click an access point icon and drag it to manually reposition it to see how the 
new location would affect the coverage. Click Cancel to undo any access point 
repositioning changes.
Use the Zoom slider to increase or decrease the size of the map.
7. 
Click Save to save the location map, or click Back to return to the Planning Buildings 
screen without savings changes to the location map.
Note:  
For each floor, you can save one location map only. When you 
modify and save the location map, the previously saved location 
map is overwritten.