User's Manual Part 2

RBS 2109 User’s Guide
P012636A
TX/RX
antenna
Antenna
Jumper
ddTMA
RBS
Jumper
Feeder
TMA
Jumper
Test Equipment
Bias Injector
ANT
Tx
Rx
Figure 42 Test Setup for Antenna Systems with ddTMA
6.8.2 Testing the Antenna System
1. Check that the Site Master’s display shows ‘‘CAL ON’’, indicating that the
Site Master is calibrated. If the display shows ‘‘CAL OFF’’, calibrate the Site
Master according to Section 6.2 Calibrating the Antenna Tester on page 76.
2. Ensure that the test equipment is connected according to Section 6.8.1
on page 91.
3. Press the AMPLITUDE key to set the scale.
4. Press the TOP soft key, enter
2.0
, and press ENTER.
5. Press the LIMIT EDIT soft key, enter
1.5
, and press ENTER.
Note: Ensure that Limit is in ON-mode by pressing the LIMIT ON/OFF
soft key.
6. Observe that the trace lies in the frequency range according to the table
below.
9
2
E
N/LZT 720 0090 Uen R1A 2004-09-17