ExtendAir® eMIMO™ Digital Microwave Radios
208398-002
10
2014-01-07
Antennas are typically aligned using the internal alignment buzzer and the RSL
value reported on the radio GUI.
1.
Configure one side of the link as Radio A and the other side as Radio B,
with the desired link frequency and Bandwidth setting at both ends, and the
maximum transmit power allowed.
2.
Enable Radio A with the
Radio (RF) State
parameter enabled on the
System Configuration
page.
3.
Enable Radio B and enter the RF MAC Address of Radio A on the Antenna
Alignment page of the GUI.
The RF MAC Address of each radio is located on the Radio Information
page.
4.
Coarse align antennas at both ends using compass bearings and/or a local
landmark on the path.
5.
Click Start Alignment on Radio B.
The alignment buzzer sounds. When the alignment buzzer is enabled, the
radio enclosure emits a sound. The beeps get more rapid as better levels of
RSL are achieved. Align the antennas until the fastest beeps are
accomplished. The beep interval is once per 3 seconds if the far-end RF
MAC Address is not found. Once the far-end is acquired, the beep interval
starts at one beep per second and once the far-end is acquired, becomes a
more rapid beep from –95 to –53 dBm. Above –53 dBm, the beep is
continuous.
6.
Adjust the azimuth and elevation of the Radio B antenna until it aligned and
has the best possible RSL.
RSL (RSSI) is reported on the Antenna Alignment page, to the right of the
MAC Address entry.
7.
Lightly tighten the antenna adjustment mechanics.
8.
After Radio B is aligned as best as possible, enable alignment on the Radio
A side, enable Access List Filtering and enter the far-end RF MAC
Address.
9.
Repeat this procedure to align Radio A.
Alignment should be optimized at both ends, one side at a time, back and
forth, until the target RSL is achieved, as indicated on the radio GUI
Performance page.
10.
After the designed RSL is achieved, mechanically secure the antenna for
azimuth and elevation alignment.
Carefully monitor the RSL level while tightening the mechanics, and ensure
that the antenna remains in alignment.
11.
Disable Antenna Alignment on both ends of the link once alignment is
completed.
