Quatech AirborneDirect ABDB-SE Series, Руководство пользователя

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Hardware Installation
Page 20 AirborneDirect™ Serial Bridge User’s Guide 100-8006-152G
Quatech, Inc. Confidential
SELECTING A LOCATION
You can mount the Bridge on a flat surface, such as a desk or table, or on a vertical surface,
such as a wall. It can also be mounted on the ceiling. If you mount the Bridge vertically, use the
supplied mounting cradle previously described.
Choosing a good location for the Bridge is important because it affects the reliability of the
wireless link. The most important considerations are distance from the Access Point and
clearance from obstacles.
The location you choose for installing the Bridge must:
ƒ Provide sufficient ventilation around the Bridge.
ƒ
Allow easy access to disconnect the Bridge from the AC wall outlet if necessary.
ƒ Not expose the Bridge to excessive heat, humidity, vibration, or dust.
ƒ Must conform to local regulations.
Because radio waves travel in a straight line, the location where you will install the Bridge must
provide a clear path to the Access Point that is free of major obstacles. The effects of obstacles,
both along and near the path, have a significant bearing on the travel of radio signals and can
cause both interference and signal cancellation. Consider the effects of the following common
obstacles:
ƒ
Trees and large plants
A tree or large plant directly in the path can totally block the signal. With clearance
above the trees, there are usually no blocking effects.
ƒ
Man-made obstacles
Square or rectangular objects, in or near the path, have rectangular surfaces that
can block and interfere with signals over and around them.
ƒ
Floor
A floor can interfere with signals if the Bridge is mounted too low. Mount the Bridge
so the antenna is high enough to allow adequate clearance from the floor.