DragonWave AirPair 100-UL, Руководство по эксплуатации продукта

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Installation of Radio and Modem
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(a) Pan or move the antenna horizontally at one end across the entire beamwidth to
identify the Main Lobe and the two side lobes.
(b) Tilt or move the antenna vertically and locate the strongest receive signal
reading.
(c) Pan or move the antenna horizontally and locate the strongest receive signal
reading.
(d) Tighten the bolt to lock the antenna in place.
(e) At the first end:
(f) Pan or move the antenna horizontally at one end across the entire beamwidth to
identify the Main Lobe and the two side lobes.
(g) Tilt or move the antenna vertically and locate the strongest receive signal
reading.
(h) Pan or move the antenna horizontally and locate the strongest receive signal
reading.
(i) Tighten the bolt to lock the antenna in place.
(j) Repeat these steps as necessary to obtain maximum signal strength.
Notes :
While Horizontal Alignment is being performed, ensure the Vertical Alignment lockdown
bolts are securely tightened to prevent movement, and vice versa for Vertical
Alignment.
The RSSI level should be within 2 dB of predicted levels. Factors that contribute to low
RSSI levels are:
•
incorrect antenna alignment - aligned to side lobe and not main lobe;
•
improper polarization of antennas - horizontal vs. vertical.
•
path issues
•
obstructions such as trees, hills, or buildings within the beamwidth
•
path clearance issues such as diffraction, partial obstruction, earth
curvature
Ensure alignment corresponds to the Main Signal Lobe and not to the Side Lobes.
The connectors (Power cable, IF cable, Serial cable, and Ethernet cable) on the AirPair
units are of a weatherproof design. Sealing of connectors is not necessary.
Once the radios and modems have been installed and aligned, you need to ensure that
the grounding cables at the radio and modem are properly sealed using potting
compound, rubberized tape or other waterproof material. Cable corrosion can result
in decreased quality of grounding connections, and therefore present greater risk of
personal or equipment damage during lightning strikes.
6.5.1. Perform a Data Test
This section describes how to perform a data test.
Version 2.0