User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide

6.7 Performing SWR Test

The purpose of the Standing Wave Ratio (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.

1. Connect the test equipment to the RBS jumper, see figure below.

2. Check that all c onnections are properly connected and tightened.

P010263A

Feeder

Antenna

Jumper

Antenna

Test Equipment

RBS

Jumper

Figure 43 Test Setup

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 90.

2. Ensure that the test equipment is connected according to Section 6.7.1

on page 101.

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: For feeder cables with low loss (below 2 dB), the limit should be

set to 1.5.

Note: Ensure that Limit is in ON-mode by pressing the LIMIT ON/OFF

soft key.

/LZT 720 0027 Uen R8A 2006-06-27