Installation Instructions

Test Cable Calibration – continued

PRELIMINARY

SCt300 BTS Hardware Installation, ATP and FRU Procedures

DEC 2000

7-40

Automated Cable Calibration

Procedure

This procedure calibrates the cables that will be used for BTS testing.

Follow the steps in Table 7-24 to calibrate the test cables.

Prerequisites

1. Test equipment has been connected as shown in Figure 7-11.

2. Power for the test equipment and GPIB box has been turned on.

3. LMF has been started and BTS has been logged into.

Procedure

Follow the steps in Table 7-24 to calibrate the test cables. Refer to

Figure 7-14.

A 30 dB attenuator is used for Microcell (high power)

BTSs. A 10 dB attenuator is used for Picocell BTSs.

NOTE

Table 7-24: Automated Cable Calibration

Step Action

1 Click on the Util>Cable Calibration menu item.

2 Select one of the following options in the Cable

Calibration menu: TX and RX CABLE CAL, TX

CABLE CAL, or RX CABLE CAL.

NOTE

Normally the option TX and RX CABLE CAL is used so

both the TX and RX cable configurations are calibrated. The

TX CABLE CAL and RX CABLE CAL options are used

only if one of the cable configurations needs to be calibrated.

3 Click the OK button. A Directions pop–up is displayed for

each step of the cable calibration.

4 Follow the directions displayed for each step. A status report

window is displayed with the results of the cable calibration.

5 Click on OK to close the status report window.