User's Manual Part 2

RBS 2109 User’s Guide
6.7 Performing SWR Test on Passive Antenna Systems
(Without TMA)
The purpose of the SWR test is to verify that the antenna system functions
correctly when it is completely installed. The test verifies that the SWR is not
too high and that the signal is not reflected back into the RBS.
6.7.1 Connecting SWR Test Setup
This section describes how to connect the SWR test setup for passive antenna
systems (without TMA).
1. Connect the test equipment to the RBS jumper, see figure below.
2. Check that all connections are properly connected and tightened.
P010263A
Feeder
Antenna
Jumper
Antenna
Test Equipment
RBS
Jumper
Figure 39 Test Setup for Passive Antenna Systems (No TMA)
6.7.2 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 6.7.1
Connecting SWR Test Setup on page 89.
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
1.4
, and press ENTER.
Note: Ensure that Limit is in ON-mode by pressing the LIMIT ON/OFF
soft key.
89EN/LZT 720 0090 Uen R1A 2004-09-17