User's Manual

10
Booster Antenna Installation Guide
Overview
The SOMAport has an internal antenna that provides sufficient levels of
performance in the majority of cases. However, certain subscribers may be
located too far away from the nearest base station and, as a result, the RF signal
may be too weak. Under these conditions, the booster antenna amplifies the
strength of the received and transmitted signal, thus enhancing the operational
range and performance of the SOMAport.
The booster antenna connects to the SOMAport using a single coaxial cable and
is powered through this cable. No additional power supply is needed.
The booster antenna contains no moving parts. It has non-line-of-sight
functionality and automatically adjusts itself electronically for the best possible
signal.
The booster antenna Model BA-100-000 is designed for use with the SOMAport
Model CPE-100-200. The booster antenna cannot be used as an antenna for
other devices. It will not radiate unless it is connected to a SOMAport.
Antenna detection
Each time the SOMAport is turned on, it automatically detects the booster
antenna. If the booster antenna is detected, the SOMAport will use the booster
antenna as an external antenna until the power to the SOMAport is turned off. If
no booster antenna is detected, the SOMAport will use its own internal antenna
until the SOMAport is turned off. The SOMAport decides which antenna to use
each time the SOMAport is turned on, and does not change antennas until the
SOMAport is turned off.
WARNING:
The long term characteristics or the possible physiological
effects of radio frequency electromagnetic fields have not been investigated by UL.
WARNING:
Do not connect or disconnect the booster antenna cable to or
from the SOMAport or the booster antenna while the SOMAport is on. 28VDC may
be present. This will not damage the equipment, but may be dangerous. If the
SOMAport (when first turned on) does not detect the booster antenna, the voltage
through the booster antenna cable is turned off.