Configuring the Altitude AP
Summit WM User Guide, Software Version 5.3130
Right for Tx Diversity. If only one antenna is connected, use the corresponding Left or Right
diversity setting. Do not use Alternate if two identical antennas are not used.
z Preamble - Click a preamble type for 11b-specific (CCK) rates: Short, Long, or Auto. The
recommended value is Auto. Click Short if you are sure that there is no pre-11b AP or a client in
the vicinity of this AP. Click Long if compatibility with pre-11b clients is required.
z Protection Mode - Click a protection mode: None, Auto, or Always. The default and
recommended setting is Auto. Click None if 11b APs and clients are not expected. Click Always
if you expect many 11b-only clients.
z Protection Rate - Click a protection rate: 1, 2, 5.5, or 11 Mbps. The default and recommended
setting is 11. Only reduce the rate if there are many 11b clients in the environment or if the
deployment has areas with poor coverage. For example, rates lower than 11 Mbps are required to
ensure coverage.
z Protection Type - Click a protection type: CTS Only or RTS CTS. The default and recommended
setting is CTS Only. Click RTS CTS only if an 11b AP that operates on the same channel is
detected in the neighborhood, or if there are many 11b-only clients in the environment.
z Min Basic Rate - For each radio, click the minimum data rate that must be supported by all
stations in a BSS: 1, 2, 5.5, or 11 Mbps for 11b and 11b+11g modes. Click 1, 2, 5.5, 6, 11, 12, or 24
Mbps for 11g-only mode. Click 6, 12, or 24 Mbps for 11a mode. If necessary, the Max Basic Rate
choices adjust automatically to be higher or equal to the Min Basic Rate. If both Min Basic Rate
and Max Basic Rate are set to an 11g-specific (OFDM) rate, (for example, 6, 12, or 24 Mbps) all
basic rates will be 11g-specific.
z Max Basic Rate - For each radio, click the maximum data rate that must be supported by all
stations in a BSS: 1, 2, 5.5, or 11 Mbps for 11b and 11b+11g modes. Click 1, 2, 5.5, 6, 11, 12, or 24
Mbps for 11g-only mode. Click 6, 12, or 24 Mbps for 11a mode. If necessary, the Max Basic Rate
choices adjust automatically to be higher or equal to the Min Basic Rate. If both Min Basic Rate
and Max Basic Rate are set to an 11g-specific (OFDM) rate, (for example, 6, 12, or 24 Mbps) all
basic rates will be 11g-specific.
z Max Operational Rate - For each radio, click the maximum data rate that clients can operate at
while associated with the AP: 1, 2, 5.5, or 11 Mbps for 11b-only mode. Click 1, 2, 5.5, 6, 9, 11, 12,
18, 24, 36, 28, or 54 Mbps for 11b+11g or 11g-only modes. Click 6, 9, 12, 18, 24, 36, 48, or 54 Mbps
for 11a mode. If necessary, the Max Operational Rate choices adjust automatically to be higher or
equal to the Min Basic Rate.
z Background BK - For each radio, click the number of retries for the Background transmission
queue. The default value is adaptive (multi-rate). The recommended setting is adaptive (multi-
rate).
z Best Effort BE - For each radio, click the number of retries for the Best Effort transmission queue.
The default value is adaptive (multi-rate). The recommended setting is adaptive (multi-rate).
z Video VI - For each radio, click the number of retries for the Video transmission queue. The
default value is adaptive (multi-rate). The recommended setting is adaptive (multi-rate).
z Vo ic e V O - For each radio, click the number of retries for the Voice transmission queue. The
default value is adaptive (multi-rate). The recommended setting is adaptive (multi-rate).
z Tur bo Vo i ce T V O - For each radio, click the number of retries for the Turbo Voice transmission
queue. The default value is 1. The recommended setting is adaptive (multi-rate).
10 To configure default Altitude AP settings for only the Altitude 802.11n AP 450/451, click the 11n
WAP Defaults tab.
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