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
Pre-Initial Power-up Tests68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
2-9
External AC Power Connection Verification
Following verification of frame DC power system integrity, external AC
power connections must be verified. To accomplish this, the series of AC
voltage measurements specified in Table 2-4 is required.
CAUTION
Failure to properly connect the external AC power cable will
damage the surge protection module inside the ACLC.
Table 2-4: AC Voltage Measurements
Step Action
1
NOTE
This procedure is required only after external AC power wiring has been initially connected or
removed and reconnected to the frame.
n WARNING
Ensure the frame is unpowered by setting the facility circuit breaker controlling external AC power
supplied to the frame to OFF.
Physically verify all DC PDA circuit breakers are set to OFF (pulled out), and all battery shelf circuit
breakers are OFF (pulled out).
2 Open the ACLC circuit breaker access door, and set all ACLC circuit breakers to OFF (down).
3 Remove the four screws securing the ACLC front panel assembly, and remove the ACLC front panel
assembly to gain access to the AC circuit breaker input terminals (NO TAG).
4 Apply external AC power to the frame by setting the facility circuit breaker to ON.
5
n WARNING
Do not perform the following steps while wearing an anti–static wrist strap. Serious personal injury
can result from accidently shorting high voltage or high current circuits to ground.
! CAUTION
North AMERICAN Cabinet only:
If the AC voltages measured in the following steps exceed 120 V when measuring from terminals L1
or L2 to neutral or ground, STOP and DO NOT proceed until the cause of the higher voltages are
determined. The frame will be damaged if the Main breaker is turned on with excessive voltage on the
inputs.
Measure the AC voltage from terminal L1 to neutral.
North American Cabinet:
– Voltage should be in the nominal range of 115 to 120 Vac.
International Cabinet:
– Voltage should be in the nominal range of 210 to 240 Vac.
6 Measure the AC voltage from terminal L1 to ground.
North American Cabinet:
– Voltage should be in the nominal range of 115 to 120 Vac.
International Cabinet:
– Voltage should be in the nominal range of 210 to 240 Vac.
7 Steps 7a through 7c apply to the North American cabinet only. If working on a International cabinet
continue to step 8.
. . . continued on next page
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