User's Manual
Table Of Contents
- Contents
- Chapter 1 Introduction
- Chapter 2 Preliminary Operations
- Chapter 3 Optimization/Calibration
- Introduction to Optimization and Calibration
- Preparing the LMF
- Overview of Packet BTS files
- LMF Features and Installation Requirements
- LMF File Structure Overview
- LMF Home Directory
- NECF Filename Conventions and Directory Location
- LMF Installation and Update Procedures
- Copy BTS and CBSC CDF (or NECF) Files to the LMF Computer
- Creating a Named HyperTerminal Connection for MMI Communication
- Span Lines - Interface and Isolation
- LMF to BTS Connection
- Using the LMF
- Pinging the Processors
- Download the BTS
- CSM System Time - GPS & LFR/HSO Verification
- Test Equipment Set-up
- Test Set Calibration
- Background
- Calibration Procedures Included
- GPIB Addresses
- Selecting Test Equipment
- Manually Selecting Test Equipment in a Serial Connection Tab
- Automatically Selecting Test Equipment in the Serial Connection Tab
- Calibrating Test Equipment
- Calibrating Cables Overview
- Calibrating Test Cabling using Communications System Analyzer
- Calibrate Test Cabling Using Signal Generator & Spectrum Analyzer
- Setting Cable Loss Values
- Setting TX Coupler Loss Value
- Bay Level Offset Calibration
- Purpose of Bay Level Offset Calibration
- What is BLO Calibration?
- Component Verification During Calibration
- When to Calibrate BLOs
- BLO Calibration Data File
- Test Equipment Setup for RF Path Calibration
- Transmit (TX) Path Calibration Description
- TX Calibration and the LMF
- TX Calibration
- All Cal/Audit and TX Calibration Procedure
- Download BLO Procedure
- Calibration Audit Introduction
- TX Path Audit
- TX Audit Test
- Create CAL File
- RFDS Set-up and Calibration
- Alarms Testing
- Chapter 4 Automated Acceptance Test Procedures
RFDS Set–up and Calibration68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
3-107
RFDS Calibration Procedure
Follow the procedure in Table 3-45 to perform RFDS calibration.
Table 3-45: RFDS Calibration
Step Action
1 In the LMF, select the CDMA BTS–xxx tab.
2 If the BTS Control button is not selected (no black dot showing), click on the B button in the BTS
menu bar to select it.
3 Select the BBX(s) assigned to the carrier(s) and sector(s) which will be used in RFDS calibration
(refer to Table 1-6 for BBX carrier and sector assignments).
4 Click on RFDS in the BTS menu bar, and select RFDS Calibration... from the pull–down menu. An
RFDS Calibration set–up window will be displayed.
5 In the Tests to Perform box, select TX Calibration or RX Calibration, as required
6 Enter the appropriate channel number(s) (refer to Table 3-44) in the Channel Field box.
S To enter more than one channel number, use the following methods:
– Separate non–sequential channel numbers with a comma and no spaces;
for example: 247,585,742.
– Enter a range of sequential channels by typing the first and last channel numbers in the range
separated by a dash and no spaces;
for example: 385–395.
7 If the frame is equipped with TX combiners, click in the Has Combiners checkbox.
8 Select the appropriate carrier(s) and sector(s) from the Carriers pick list (hold down the Shift or Ctrl
key while clicking on pick list items to select multiple carrier(s)–sector(s)).
9 Select the appropriate RX branch (Both, Main, or Diversity) in the drop–down list if performing RX
calibration.
10 Click on the OK button. A status report window is displayed, followed by a Directions pop–up
window.
11 Follow the cable connection directions as they are displayed.
12 When the test is completed, test results are displayed in the status report window.
13 Click on the OK button to close the status report window.
14 Click on the Frame tab.
15 Select the MGLI by clicking on it.
16 Download updated RFDS offset data to the MGLI (see Step 5 in Table 3-39).