User's Guide
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
3.3
Environment Specification
In this section:
3.3.1 Operational Specifications
3.3.2 Transport and Storage Requirements
3.3.3 M echanical Specifications
3.3.4 Product Safety Specification
3.3.5 EM C
3.3.1
Operational Specifications
Operational Temperature Range
−40 to +55 ℃ (with solar radiation, without sun-shade)
<Wind speed condition>
1.0 m/ s
Operational Humidity
0.03 g/ m3 and 30 g/ m3 of absolute humidity
Cold Start
When the system temperature at startup is −40 to −20 ℃, the system reports to the EM S as a Cold Start state. RF
transmission is not performed and power amp is set to on for warmup.
The temperature is monitored from the start of the device, and the Cold start state is released when the temperature
reaches −20 ℃ and reported to the EM S.
Air Pressure
70-106 kPa
Compliant to IEC 60068-2 standards
W ind Pressure
When installed on the back of the antenna or installed on its own (away from the antenna), the RU is functional,
operational, and able to withstand winds in excess of 240 Km/ hour (66.6 m/ s).
Chemically Active Substances
Gas Exposure IEC-60068-2-60
Test method JIS-C-0048 M ethod-4
Criteria Test piece is used. Rating 4 in JIS H8502.
Salt fog Telcordia GR-487
RU Hardware Feature
Environment Specification
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Release 1.0 · Issue 1, March 2021
Fujitsu and Fujitsu Customer Use Only