Installation Guide
Table Of Contents
- 1. INTRODUCTION
- 2. UNPACKING AND CHECKING
- 3. PREVIOUS CONSIDERATIONS
- 4. INFORMATION ON SAFETY AND ELECTROMAGNETIC COMPATIBILITY
- 4.1 GENERAL CONSIDERATIONS ABOUT SAFETY
- 4.2 OPERATION AND EXPOSURE TO RF ENERGY
- 4.3 IMPORTANT SAFETY NOTES ABOUT THE ANTENNA
- 4.4 ELECTROMAGNETIC COMPATIBILITY REGULATORY INFORMATION (FCC AND ISED)
- 4.5 UL / SAFETY CERTIFICATIONS
- 4.6 EMC, SAFETY AND RF EXPOSURE STANDARDS
- 4.7 MECHANICAL AND ENVIRONMENTAL STANDARDS
- 5. EQUIPMENT DESCRIPTION
- 6. INSTALLATION GUIDE
- 6.1 NECESSARY EQUIPMENT
- 6.2 BASIC PRE-CONFIGURATION
- 6.3 INSTALLATION
- 6.3.1 MAST/POLE INSTALLATION
- 6.3.2 WALL INSTALLATION
- 6.3.3 PBS ACCESSORY INSTALLATION
- 6.3.4 ANTI-VANDAL KIT INSTALLATION
- 6.3.5 REQUIREMENTS TO CONSIDER DURING THE ANTENNA INSTALLATION
- 6.3.6 CONNECTIONS
- 6.3.6.1 SUPPORTED CONFIGURATIONS
- 6.3.6.1.1 ONE MBS UNIT WITH DIVERSITY 1 IN RECEPTION
- 6.3.6.1.2 ONE MBS UNIT WITH DIVERSITY 2 IN RECEPTION
- 6.3.6.1.3 TWO MBS UNIT (SAME SUBBAND) WITH DIVERSITY 1 OR 2 IN RECEPTION
- 6.3.6.1.4 TWO MBS UNITS (DIFFERENT SUBBANDS) WITH DIVERSITY 1 IN RECEPTION
- 6.3.6.1.5 TWO MBS UNITS (DIFFERENT SUBBANDS) WITH DIVERSITY 2 IN RECEPTION
- 6.3.6.2 CONNECTION OF THE EXTERNAL POWER SUPPLY
- 6.3.6.3 ANTENNA CONNECTION
- 6.3.6.4 EXTERNAL ETHERNET CONNECTION
- 6.3.6.1 SUPPORTED CONFIGURATIONS
- 6.3.7 CONNECTING / DISCONNECTING THE MBS AC MAINS SUPPLY
- 6.3.8 CONNECTING / DISCONNECTING THE MBS FROM THE DC SUPPLY
- 7. START UP/CONFIGURATION/VERIFICATION
- 8. INCIDENTS
TETRA MBS UNIT. INSTALLATION GUIDE
F067646PT_2801
Page 61 of 62
en
8. INCIDENTS
The MBS Unit must be repaired by authorized technical personnel only. There will not
be performed any repair of the MBS Unit and it will have to be sent to factory except
for the change of the pressure equalizer or the overvoltage protections.
8.1 INTERFERENCE AT MBS UNIT
This alarm is monitored in the NMS management and configuration module. See the infrastructure
Event List in the NMS Client Help contents.
Any interference in the MBS Unit is activated when there are a large number of consecutive
reception faults in the MBS Unit. A reception fault is considered when a level higher than the threshold for
reception of the carrier, but is not recognized as valid TETRA signal. Depending on the signal level,
interference is considered low or high. So, if the level of signal is above the threshold for reception and below
the threshold set to high interference and is not recognized as a valid sign, it will be a low interference alarm.
If the signal level is above the threshold set to high interference and is not recognized as a valid signal, the
low level alarm would disappear (if it happened) and high interference would produce.
These alarms are turned off when the interference source disappears or with any right TETRA
reception for low interference case, and with more than one consecutive right reception for high-level
interference.