User Manual
Table Of Contents
- Contents
- 1 Introduction
- 2 Product Safety Requirements RBS 2000
- 3 Environmental Capabilities
- 3.1 Scope
- 3.2 Terminology
- 3.3 References
- 3.4 Transport -40 C – +70 C
- 3.5 Storage -25 C – +55 C
- 3.6 Handling -40 C – +70 C
- 3.7 Operation Indoor +5 C – +40 C
- 3.8 Operation Outdoor -33 C – +40 C
- 3.9 Operation Outdoor -33 C – +45 C
- 3.10 Operation Outdoor -33 C – +55 C
- 3.11 Operation Mast-Mounted Equipment -33 C – +45 C
- 3.12 Operation Mast-Mounted Equipment -40 C – +55 C
- 4 Climate Protection
- 5 EMC Capabilities
- RBS 2101, Product Description
- RBS 2102, Product Description
- RBS 2103, Product Description
- RBS 2202, Product Description
- RBS 2101, 2102, 2103 & 2202 Radio Configurations
- RBS 2202 Antenna Configurations
- ACCU Description
- BFU Description
- CDU-A Description
- CDU-C Description
- CDU-C+ Description
- CDU-D Description
- DXU Description
- DXU-21 Description
- ECU Description
- PSU -48 V Description
- PSU 230 V Description
- sTRU Single Transceiver Unit Description
- V3 Climate Unit Description
- Glossary
ECUEnergy Control Unit
4.2 I/O Block
The external signals consist of control signals, alarms and observation signals.
4.3 Power and Cold Start
This section describes the Power and Cold Start block of the ECU.
The cold start function ensures that the RBS is not started when the temperature
is below + 5
C. Below + 5 C the heater is active.
The cold start gates the incoming supply voltage if the temperature is within
the specified ranges.
Table 3 Cold Start Function Temperatures
Temperature Result
<+5C
Heater on
>+5C
RBS power on
<-10C
RBS power off
4.4 Local Bus
The ECU is connected to the DXU through the local bus.
4.5 Optical Interface
The opto link is used for communication with PSUs and BFUs. The opto link
connectors are located on the front of the ECU.
6 (10)
EN/LZT 720 0245 Uen R1A