User's Manual

Test Cable Calibration – continued

DRAFT

SC300 1X BTS Hardware Installation, ATP, and FRU Procedures

JAN 2002

7-62

Procedure to do an Automated

Cable Calibration

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

Follow the steps in Table 7-39 to calibrate the test cables. Refer to

Figure 7-28.

Prerequisites

1. Test equipment has been connected as shown in Figure 7-16.

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

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

4. Inspect and verify the TX and RX antenna cabling for your BTS.

Refer to the applicable “Antenna Cabling” procedure in chapter 6.

Table 7-39: 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.

NOTENOTE

Normally, the option TX and RX CABLE CAL is used so both the TX and RX cable

configurations are calibrated. Use the TX CABLE CAL and RX CABLE CAL options only if

one of the cable configurations needs to be calibrated.

3 Enter a channel value into the Channel box. The channel value is the channel that the BTS is

being calibrated on, e.g., 170.

4 Click the OK button. A Directions pop–up is displayed for each step of the cable calibration.

5 Follow the directions displayed for each step. A status report window is displayed with the

results of the cable calibration.

6 Click on OK to close the status report window.