PMP 450 Planning Guide
The Radio tab of the AP contains some of the configurable parameters that define how the AP operates.
Table 6 AP Radio attributes
Attribute
Meaning
Radio Mode
Reserved for future modes of operation.
Frequency Band
Select the desired operating frequency band.
Frequency Carrier
Specify the frequency for the module to transmit. The default for this parameter is
None
. For a list of channels in the band, see the drop-down list on the radio GUI.
Channel Bandwidth
The channel size used by the radio for RF transmission. The setting for the
channel bandwidth must match between the AP and the SM. Note: Release 12.1
introduces the Band Scan feature which will allow the SM to scan all Channel
Bandwidths.
Cyclic Prefix
OFDM technology uses a cyclic prefix, where a portion of the end of a symbol
(slot) is repeated at the beginning of the symbol to allow multi-pathing to settle
before receiving the desired data. A 1/16 cyclic prefix means that for every 16
bits of throughput data transmitted, an additional bit is used.
Color Code
Specify a value from 0 to 254. For registration to occur, the color code of the SM
and the AP
must
match. Color code is not a security feature. Instead, color code is
a management feature, typically for assigning each sector a different color code.
Color code allows you to force an SM to register to only a specific AP, even
where the SM can communicate with multiple APs. The default setting for the
color code value is 0. This value matches only the color code of 0 (
not
all 255
color codes).
Max Range
Enter a number of miles (or kilometers divided by 1.61, then rounded to an
integer) for the furthest distance from which an SM is allowed to register to this
AP. Do not set the distance to any greater number of miles. A greater distance
•
does not increase the power of transmission from the AP.
•
can reduce aggregate throughput.
Regardless of this distance, the SM must meet the minimum requirements for an
acceptable link. If the AP is in cluster, then you
must
set this parameter on all
other APs in the cluster exactly the same, except as described in the NOTE
admonition below. The default value of this parameter is 2 miles (3.2 km).
pmp-0047 (March 2014)
1-21
Summary of Contents for PMP 450
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