Nortel WLAN Security Switch 2361 Guia de Instalação Página 44

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44 WLAN Series 2332 Outdoor Solution with Indoor Mounted AP
NN47250-506 (324883-B Rev 02 Version 02.02)
Outdoor external antenna connection scenarios
There are three basic connection scenarios that are supported for implementing the Avaya WLAN Series 2332
Outdoor Solution. These are described in the following table:
Based on these three scenarios, the following tables illustrate the additional amount of power loss that will be
realized when the extra cables and components are used to enable the access point to be mounted indoors and
the radiating element (i.e. antenna) to be mounted on the exterior of the premises. These additional losses need
to be factored into the overall system path loss equation when selecting placement of the access points and net
coverage areas. The current implementation of the WSS and WMS software does not allow for optimization of
performance by increasing the transmitter's output power to compensate for the added loss. That feature will
be available in a subsequent release of the WSS and WMS software. The values listed in the following tables
can be used to estimate a net reduction in total system power and coverage area.
For reference, a 3 dB reduction in power equates to halving the effective linear power. This translates to a
reduction in available range of a factor of four times. An additional loss of 3 dB would halve the power again
and reduce the range by another factor of four times. Hence, care should be taken to place the access point as
near to the point of debarkation from the premises as possible to reduce signal loss and optimize the outdoor
coverage area.
Table 8. Avaya WLAN Series 2332 Outdoor Solution configuration scenarios
Scenario 1 Scenario 2 Scenario 3
Configuration consists of the
Series 2332 AP connected to a
10-foot plenum rated cable,
which in turn is connected to a
Surge Suppressor and then is
connected to one of the outdoor
rated antennas
Configuration consists of the
Series 2332 AP connected to a
10-foot plenum rated cable,
which in turn is connected to a
Surge Suppressor, which in
turn is connected to a 10-foot
outdoor rated extension cable
and then is connected to one of
the outdoor rated antennas.
Configuration consists of the
Series 2332 AP connected to a
10-foot plenum rated cable,
which in turn is connected to a
Surge Suppressor, which in
turn is connected to a 25-foot
outdoor rated extension cable
and then is connected to one of
the outdoor rated antennas.
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