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Site Survey Guide for Deploying Cisco 7920 IP Phones
OL-6315-01
Chapter2 Surve y Tools
Figure 2-11 shows that the 7920 hears three access points and the RSSI values of those access points are
18, 31, and 48.
Figure2-11 Cisco 7920 IP Phone Survey Screen
You can also use AirMagnet Surveyor to determine channel separation. Figure 2-12 shows the two
access points on channel 1 with 1-mW transmit power. The dBm values from 0 to -70 dBm a re shown in
brown. Any signal below that is shown in dark grey. You can control the values that appear in grey by
sliding the Signal gauge. The popup bubble shows the signal at any location in the coverage area.
Figure2-12 AirMagnet Surveyor Tool