User's Manual
Table Of Contents
- INTRODUCTION
- WARNINGS AND CAUTIONS
- DECLARATION OF CONFORMITY
- FCC NOTICE
- SYSTEM OVERVIEW
- INSTALLATION PREREQUISITES
- PHYSICAL DESCRIPTION
- BSDU DESCRIPTION
- GPS DESCRIPTION
- AC/DC POWER CONVERTER
- MOUNTING THE BASE STATION RADIO (BSR)
- MOUNTING THE BSDU
- MOUNTING THE GPS
- MOUNTING AC/DC POWER CONVERTER
- CABLING THE BSR
- CONNECTING THE SDA-4S TO THE POWER SUPPLY
- CONNECTING POWER CABLE FOR SDA-4SDC
- CONNECTING LIGHTNING AND SURGE PROTECTOR
- CONNECTING THIRD-PARTY EXTERNAL ANTENNAS
- TRADEMARKS AND COPYRIGHTS
- ENVIRONMENTAL
- CONTACT INFORMATION
- REVISIONS
- WARNINGS
- GLOSSARY
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GPS-to-BSDU cable connection
Notes:
♦When installing the cable, secure the cable to the mounting pole or bracket with a cable tie
to hold the weight of the cable (i.e. cable strain relief).
♦A loop should be left in the dressed cable for maintenance purposes and to prevent the
cable weight being taken directly on the connector itself.
♦Ensure that the connector is waterproof.
GPS Alignment
Many GPS reception problems can be reduced, to some degree, by careful antenna site
selection.
Place the GPS so that unobstructed line-of-sight reception is possible from horizon to
horizon and at all bearings and elevation angles from the antenna. This is the ideal
situation, which may not be possible under actual operating conditions.
Try to place the GPS as far as possible from reflective objects, especially reflective objects
that are above its radiation pattern horizon. Close-in reflections cause strong multipath
signals.
Care should also be taken to avoid coiling the GPS cable around the mounting base and
pinching the cable in windows or doors.