User Guide

18
4
CONNECTIONS AND INSTALLATIONS
■ Adjusting the parabolic antenna
DD
About the test plug
Assemble the test plug before adjusting the parabolic
antenna as follows.
q Shorten the TEST
(pin 2) and GND (pin 3) terminals
of the test plug, that supplied with the ID-RP2L.
w Connects a wire to each the RSSI
(pin 1)
and GND
(pin 4) to be connected to a voltmeter.
e Assemble the test plug as illustrated at left.
DD
Parabolic antenna beam adjustment
Adjust the parabolic antenna beam as the following in-
struction.
Due to very critical adjustment is required, attend 2 or
more persons for adjustment.
q Turn the parabolic antenna beam to the opposed
microwave link repeater, and fix it temporarily.
w Connects a voltmeter to [TEST] connector of the ID-
RP2L through the test plug.
• Transmits a test signal automatically.
• Transmits a test signal from the opposed microwave link
repeater also.
•The voltmeter swings when the test signal is received
from the opposed microwave link repeater.
e Adjust the parabolic antenna beam direction and el-
evation angles to the point where the voltmeter
shows maximum voltage, then fix the antenna.
Adjust the beam (direction)
after loosen the bolts.
Adjust the beam (elevation)
after loosen the bolts.
Voltmeter
to + (voltmeter)
q
we
r
+
Shorten
to _ (voltmeter)
_