Operation Manual
Table Of Contents
- Safety Precautions
- About This Manual
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 System Description
- Chapter 3 Installation guidelines
- Chapter 4 DAS Software Configuration
- Chapter 5 Commissioning
- Chapter 6 RF Commissioning
- Chapter 7 Troubleshooting
- Alarms
- Base Station Gateway (BGW) Alarms
- Fiber Optic Remote (FOR) Alarms
- Remote Unit (RU) Alarms
- Fiber optic Interface (FOI) Alarms
- Base Station Interface (BIU) Alarms
- Medium Power Amplifier (PA) Alarms
- Variable Gain Amplifier (VGA) Alarms
- Analog Pre-distortion (APD) Amplifier Alarms
- Multi-carrier Power Amplifier Interface (MPI) alarms
- Alarms
- Chapter 8 Model Identification
ID Name Class Severity Unit
109 1.8V over voltage 0x0104 Error APD
Description The 1.8 V is out of bounds on the board, this is a hardware fault.
NOC Actions Dispatch field tech to change the remote unit.
Field Actions Replace remote unit.
ID Name Class Severity Unit
110 1.8V under voltage 0x0104 Error APD
Description The 1.8 V is out of bounds on the board, this is a hardware fault.
NOC Actions Dispatch field tech to change the remote unit.
Field Actions Replace remote unit.
ID Name Class Severity Unit
111 Over current 0x0104 Error APD
Description The PA current is out of bounds. This is a hardware fault.
NOC Actions Dispatch field tech to change the remote unit.
Field Actions Replace remote unit.
ID Name Class Severity Unit
112 Under current 0x0104 Warning APD
Description The PA current is out of bounds. This is a hardware fault.
NOC Actions Dispatch field tech to change the remote unit.
Field Actions Replace remote unit.
ID Name Class Severity Unit
121 Return loss 0x0104 Error APD
Description
The VSWR return loss measurement failed. Generally this indicates a problem
with the antenna network.
NOC Actions
Dispatch field tech to check the antenna network and do VSWR testing on the
passive distribution net.
Field Actions
Check VSWR using a TDR or FDR instrument. Find the problem and replace
cable, connector, splitter, combiner etc.
Troubleshooting
146