Motorola MOTOWI 4, User Manual

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PTP 500 Series Bridge - Connectorized Model
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13.7.6 Mounting the antennas
The Antennas should be mounted according to the manufacturer’s instructions. Actual antenna
position will depend on the available mounting positions and link requirements. It may be necessary
to mount the antennas 20m apart or at a certain distance from the ground to get the desired results.
13.7.7 Alignment Process
When aligning antennas deployed with a Connectorized 500 Series bridge unit it may not be
possible to hear the alignment tone emanating from the unit. In this case it may be necessary for
a second installer to assist in the operation. Alternatively, it may be possible to extend the tube
on the supplied stethoscope to give a longer reach.
Tip: Fine antenna alignment can sometimes be achieved by tightening and loosening the bolts on
either side of the antenna mounting bracket, rather than trying to turn the whole bracket on the
mounting pole.
13.7.8 Aligning Dual Polar Antennas
The process for aligning a dual polar antenna is the same as aligning an Integrated unit with an
integrated antenna. This procedure is detailed in
Section 7.7.11 “Aligning the PTP 500 Series
Bridge ODUs”.
13.7.9 Aligning Separate Antennas
When using separate antennas to achieve spatial diversity, one should be mounted with Horizontal
polarization and the other with Vertical polarization.
The following steps should be followed:
Step 1: Mount the Antennas
Step 2: Mount the connectorized version of the PTP 500 Series Bridge unit
Step 3: Route and make off the ends of the Antenna cables
Step 4: Connect the antenna cables at the antennas
Step 5: Connect one of the antenna cables at the Connectorized version of the 500 Series bridge
unit.
Step 6: Connect the Connectorized 500 Series Bridge ODU to PIDU Plus cable and configure the
unit as described in
Section 7.7 “Connecting Up”.
Step 7: Align the connected antenna using the tones as described in Section 7.7.11 “Aligning
the PTP 500 Series Bridge ODUs”.
Step 8: Connect the other antenna to the Connectorized 500 Series bridge.
Step 9: Disconnect the cable to the already aligned antenna.
Step 10: Align the second antenna using the tones as described in
Section 7.7.11 “Aligning the
PTP 500 Series Bridge ODUs”.
Step 11: Re-connect the second antenna to the Connectorized 500 Series bridge (Note: you will
notice the tone pitch increase as you re-connect the second antenna due to the additional received
signal).
Step 12: Use the relevant status web pages to check that you are getting the results you expect
from your link planning.
Step 13: Complete the installation as detailed below.