Device Description 27
758-919 Wireless Access Point
Manual
Version 1.0.0
3.9
Selecting the Installation Location
In order to use all the functions of the device, a radio link must be established to
a device having similar functions, for example a second device of the same type.
If the two devices are relatively close to one another, that is, if the distance
between them is considerably less than the potential range, the installation
location and device alignment will have comparatively little impact on the radio
link. If you wish to set up and maintain a radio link over the longest distance
possible, however, certain requirements regarding the installation of the device
and the ambient conditions must be fulfilled.
The distance between devices may not be too great. The maximum range can
only be effective under optimal conditions. A lack of line-of-sight link, or mis-
alignment of the devices will result in reduced range.
For a line-of-sight link, install the devices such that the antennas are aligned
toward one another, i.e., the marked front side of the devices face one another.
If there is no line-of-sight link, but both devices have an unobstructed view of the
same metallic or concrete surface (such as a building ceiling), a good radio link
can be ensured through reflection.
If there is neither a line-of-sight link, nor a surface to use for reflection, for
example between devices in different rooms, align the devices as for a line-of-
sight link. The magnitude of the reduction in range for the devices in this case
depends on the amount of material, e.g., brick walls, that the radio waves must
pass through. In some circumstances, it may not be possible for the radio waves
to penetrate certain obstacles, such as fire protection walls, at all.
