Polycom SpectraLink 8020 Administration Manual page 76

SpectraLink 8020/8030 Wireless Telephone: Administration Guide for SIP
76
The handset's site survey mode is not a replacement for a
professional site analysis and should be used only for testing,
limited site validation, and troubleshooting.
The handset's site survey mode does not include functionality to
allow for analysis or troubleshooting of 802.11n specific WLAN
features.
1. Referring to Chapter 8 Diagnostic Tools, section Run Site Survey,
put a handset into
Walk throughout the site checking for any expected APs or
other ESSIDs.
2. Then, walk the site again, in
checking that every location has adequate coverage and has
good channel allocation.
There should be at least one AP stronger than -the minimum
specified in the following tables.
At any point, the strongest AP shown should be on a different
channel than the next best choice.
The handset configured for 802.11b requires:
-70dBm when all 802.11b data rates are available (with only
—
1Mbps set Required)
-65dBm when only 2Mbps is set Required and other higher
—
rates enabled
-64dBm when only 5.5Mbps is set Required with 11Mbps set
—
enabled
-60dBm when 11Mbps is set required and other 802.11b rates
—
disable or enabled
802.11 Minimum Available
Radio Standard Signal Strength (RSSI)
-70 dBm
802.11b
-60 dBm
The critical factor is the highest data rate set Required or
—
Mandatory. Other 802.11b data rates can be set enabled or
disabled. The highest data rate set Required or Mandatory
determines the RF power available to the wireless telephone
for proper operation.
Site Survey in the Any /
MyID / Smry
Smry ESSID mode.
ESSID mode, this time
Maximum
"Mandatory" Data
Rate
1 Mb/s
11 Mb/s
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