Manualshelf

Technical Guide

ManualsBrandsSureCall ManualsElectronicsIn-building 2-Way Emergency Radio Communication Enhancement booster
11121314151617181920
16
CAUTION: FAILURE TO PROPERLY INSTALL A LIGHTNING
PRO- TECTOR CAN RESULT IN DAMAGE TO THE BDA,
ANTENNAS, AND WIRING.
CAUTION: SIGNAL OSCILLATION CAN CAUSE RADIO
INTERFER- ENCE WITH RADIO TOWERS AND RESULT IN CIVIL
AND/OR CRIMINAL PENALTIES.
CHAPTER 3: PLANNING THE INSTALLATION
3.1
Installation Overview
Typically, a BDA installation follows these steps:
1.
Choose a mounting location for the exterior antenna. The recommended Yagi directional antenna is, pointed directly at the radio
tower (line of sight). The antenna is typically mounted on the wall or roof of the side of the building with the strongest signal. A
grounded lightning protector is required between the exterior antenna and the BDA.
2.
Next, choose the mounting location of the interior antenna(s), being sure to take separation requirements into account. Long,
narrow spaces benefit most from directional flat-panel antennas, while more square spaces benefit more from omnidirectional
dome antennas.
3.
Choose where to mount the BDA. This should be in a secure indoor location near a grounded power source.
4.
Map the cabling route between the exterior antenna and the BDA and between the BDA and interior antennas.
5.
Proceed with a ‘soft installation’ connecting components without securing their placement until testing can be completed.
6.
Power on the BDA and perform configuration and testing explained in Chapter5.
7.
Complete installation by securing the placement of the BDA, antennas and other components, Important
Installation Safety Precautions:
•
The exterior antenna must not be co-located or operating in conjunction with any other antenna.
•
Always use a properly installed SureCall lightning protector between the exterior antenna and the BDA.
•
Always power off the BDA before working on the roof of the building, or anywhere in close proximity to the external antenna.
•
Comply with all antenna separation requirements to prevent signal oscillation.
3.2
Exterior Antenna Overview
The Yagi antenna receives and transmits signals over a focused area. It must be aimed directly (line of sight) toward the radio tower that
provides the strongest signal to the building. The exterior antenna and mast (if any) must be mounted in a location that meets all of the
following criteria: