Installation Instructions
Table Of Contents
- User Guide
- Contents
- Preface
- 1 About this Guide
- 2 Overview
- 3 RU Hardware Feature
- 3.1 System Configuration
- 3.2 RU Specifications
- 3.3 Environment Specification
- 3.4 RU Downlink/Uplink Default Parameters
- 3.5 Antenna Configuration
- 3.6 Carrier Configuration
- 3.7 Block Diagram
- 3.8 External Interface
- 3.9 TX Control Function
- 3.10 Performance Requirement
- 3.11 Mechanical Design and Other Options
- 4 Ordering Information
- 5 Installation
- 6 Operations
- 7 Maintenance and Trouble Clearing
- 8 Removal
- A References
- B ZTP Overview
- C Optical Connector Cleaning
- D Glossary
- Index
7.1
RU Alarms
The RU det ects and report s the alarms as described in the following tables. The details of crit ical, major, and
minor alarms are subject to change.
Table 34
Unit Out of Order
Probable Cause Severity Corrective Action
RU is broken/ abnormal operat ion
Note: St ops all RF t ransmission
Critical Reset
Table 35
Soft Alarm
Probable Cause Severity Corrective Action
Software on RU is operat ing abnormally Critical Reset
Table 36
Initialization Failure
Probable Cause Severity Corrective Action
Software on RU is operat ing abnormally
Note: St ops all RF t ransmission
Critical Reset
Table 37
IQ Over Input
Probable Cause Severity Corrective Action
IQ over Input ALM
(n71/ n29/ n26, Port A through D)
Note: St ops RF transmission at alarm
occurring port
M ajor Reset
Maintenance and Trouble Clearing
RU Alarms
109
Release 1.0 ยท Issue 1, M arch 2021
Fujitsu and Fujitsu Customer Use Only